Encyclopedia - Stabilizer: Encyclopedia - Stabilizer
Stabilizer (Stabiliser in UK English) may mean: Stabilizer (aircraft), surfaces to help keep aircraft under control Stabilizer (chemistr...   » Read the article

Encyclopedia - Numerical Stability: Encyclopedia Ii - Numerical Stability - Backward Stability
Consider the problem being solved by the numerical algorithm as a function f mapping the data x to the solution y. The actual result of t...   » Read the article

Encyclopedia - Numerical Stability: Encyclopedia Ii - Numerical Stability - Mixed Stability And Forward Stability
The usual definition of numerical stability uses a more general concept, called mixed stability, which combines the forward error and the...   » Read the article

Encyclopedia - Control Theory: Encyclopedia Ii - Control Theory - Stability
(It seems that here the author assumes that the transfer function of the system is rational. Can someone confirm if this is true also for...   » Read the article

Encyclopedia - Optical Cavity: Encyclopedia Ii - Optical Cavity - Stability
Only a narrow range of possible values for R1, R2, and L produce stable resonators in which periodic refocussing of the intracavity beam ...   » Read the article

Encyclopedia - Yucca Mountain: Encyclopedia Ii - Yucca Mountain - Stability
Yucca Mountain - Geology. Yucca Mountain is located within Nye County in south central Nevada. The formation that makes up Yucca Mounta...   » Read the article

Encyclopedia - Control Theory: Encyclopedia Ii - Control Theory - Stability
Stability (in control theory) often means that for any bounded input over any amount of time, the output will also be bounded. This is kn...   » Read the article

Encyclopedia - Helicopter: Encyclopedia Ii - Helicopter - Stability
Fixed wing aircraft are designed to be inherently stable. If a gust of wind or a nudge to one of the controls causes a fixed wing aircraf...   » Read the article

Encyclopedia - Helicopter: Encyclopedia Ii - Helicopter - Stability
Fixed wing aircraft are usually inherently stable. If a gust of wind or a nudge to one of the controls causes a fixed wing aircraft to pi...   » Read the article

Encyclopedia - Infinite Impulse Response: Encyclopedia Ii - Infinite Impulse Response - Stability
From the region of convergence of the Z-transform, the stability of an IIR filter can be evaluated. If all poles are within the unit circ...   » Read the article

Encyclopedia - Nash Equilibrium: Encyclopedia Ii - Nash Equilibrium - Stability
The concept of stability, useful in the analysis of many kinds of equilibrium can also be applied to Nash equilibria. A Nash equilibrium ...   » Read the article

Encyclopedia - Nash Equilibrium: Encyclopedia Ii - Nash Equilibrium - Stability
The concept of stability, useful in the analysis of many kinds of equilibrium can also be applied to Nash equilibria. A Nash equilibrium ...   » Read the article

Encyclopedia - Nash Equilibrium: Encyclopedia Ii - Nash Equilibrium - Stability
The concept of stability, useful in the analysis of many kinds of equilibrium, can also be applied to Nash equilibria. A Nash equilibrium...   » Read the article

Encyclopedia - Lagrangian Point: Encyclopedia Ii - Lagrangian Point - Stability
The first three Lagrangian points are technically stable only in the plane perpendicular to the line between the two bodies. This can be ...   » Read the article

Encyclopedia - Game Development: Encyclopedia Ii - Game Development - Stability
Despite the popularity of video games, work in this area is very volatile. Scores of game development studios crop up, work on one game, ...   » Read the article

Encyclopedia - Lagrangian Point: Encyclopedia Ii - Lagrangian Point - Stability
The first three Lagrangian points are technically stable only in the plane perpendicular to the line between the two bodies. This can be ...   » Read the article

Encyclopedia - Vertical Stabilizer: Encyclopedia - Vertical Stabilizer
The vertical stabilizer or fin of an aircraft is found on its tail, generally pointing straight upward. It is also known as the vertical ...   » Read the article

Encyclopedia - Bibo Stability: Encyclopedia - Bibo Stability
In electrical engineering, specifically signal processing and control theory, BIBO Stability is a form of stability for signals and syste...   » Read the article

Encyclopedia - Air Transportation Stabilization Board: Encyclopedia - Air Transportation Stabilization Board
The Air Transportation Stabilization Board is an office of United States Department of the Treasury set up after the September 11, 2001 a...   » Read the article

Encyclopedia - Balance: Encyclopedia - Balance
For meanings of the word balance, see: Sense of balance (equilibrium), which maintains physical balance in humans and animals Balance (p...   » Read the article

Encyclopedia - Equilibrium: Encyclopedia - Equilibrium
Equilibrium may refer to: Equilibrium or sense of balance, which maintains physical balance in humans and animals In the physical scien...   » Read the article

Encyclopedia - Adaptive Optics: Encyclopedia - Adaptive Optics
Adaptive optics is a technology to improve the performance of (usually) astronomical telescopes by reducing the effects of atmospheric di...   » Read the article

Encyclopedia - Lyapunov Stability: Encyclopedia Ii - Lyapunov Stability - Lyapunov Stability Theorems
Lyapunov stability theorems give only sufficient condition. Lyapunov stability - Lyapunov second theorem on stability. Consider a funct...   » Read the article

Encyclopedia - Aegee: Encyclopedia - Aegee
AEGEE, (French: Association des Etats Généraux des Etudiants de l’Europe), the European Students' Forum, is one of Europe's largest i...   » Read the article

Encyclopedia - Stability Probability: Encyclopedia Ii - Stability Probability - Examples
The most familiar stable distribution is the normal distribution with PDF and characteristic function: Note that the stability prop...   » Read the article

Encyclopedia - Slope Stability: Encyclopedia Ii - Slope Stability - Slope Stability Analysis
Different methods are used to calculate the factor of safety of a potential slip surface depending on the geometry of the slip surface. F...   » Read the article

Encyclopedia - Stability Probability: Encyclopedia Ii - Stability Probability - Definition
A random variable represents the possible outcomes of a set of events or a process. If it is a real-valued random variable, for any parti...   » Read the article

Encyclopedia - Lyapunov Stability: Encyclopedia Ii - Lyapunov Stability - Barbalat's Lemma And Stability Of Time-varying Systems
Assume that f is function of time only. If does not imply that f(t) has a limit at If f(t) has a limit as does not imply that . I...   » Read the article

Encyclopedia - Slope Stability: Encyclopedia Ii - Slope Stability - The Use Of Piles In Slope Stability
Slope stability has been the subject of a great number of different works. A useful paper regarding the analysis of the stability of slop...   » Read the article

Encyclopedia - Plasma Stability: Encyclopedia Ii - Plasma Stability - Mhd Instabilities
Beta is a measure of plasma pressure normalized to the magnetic field strength. (See magnetohydrodynamics for a full definition.) MHD sta...   » Read the article

Encyclopedia - Marginal Stability: Encyclopedia Ii - Marginal Stability - Practical Consequences
A marginally stable system is one that, if given an impulse of finite magnitude as input, will not "blow up" and give an unbounded output...   » Read the article

Encyclopedia - Slope Stability: Encyclopedia Ii - Slope Stability - Pile Design
The design of the piles involves increasing the available shear force in an attempt to increase the factor of safety (F) from, say, 1.0 t...   » Read the article

Encyclopedia - Bibo Stability: Encyclopedia Ii - Bibo Stability - Time Domain Condition
BIBO stability - Continuous-time necessary and sufficient condition. In continuous time, the condition for BIBO stability is that the i...   » Read the article

Encyclopedia - Bibo Stability: Encyclopedia Ii - Bibo Stability - Frequency Domain Condition
BIBO stability - Continuous signals. For a causal, rational, continuous time system, the condition for stability is that the region of ...   » Read the article

Encyclopedia - Nyquist Stability Criterion: Encyclopedia Ii - Nyquist Stability Criterion - Background
Any transfer function can be written in the form (Mason's Rule) where Δ(s) = 0 is known as the characteristic equation. Solving the...   » Read the article

Encyclopedia - Stability Probability: Encyclopedia Ii - Stability Probability - Calculating The Pdf For The Linear Combination
To determine if a family is stable, we need to be able to calculate the PDF for the Y variable. The probability that Y takes on a value f...   » Read the article

Encyclopedia - Asymptotic Stability: Encyclopedia Ii - Asymptotic Stability - Practical Consequences
An asymptotically stable system is one that, if given a finite input, will not "blow up" and give an unbounded output. Moreover, if the s...   » Read the article

Encyclopedia - Hegemonic Stability Theory: Encyclopedia Ii - Hegemonic Stability Theory - Criticism
Numerous critics have expressed concern about the theory. First, it is not just the hegemon’s existence that maintains order, but also ...   » Read the article

Encyclopedia - Stability And Growth Pact: Encyclopedia Ii - Stability And Growth Pact - Member States By Sgp Criteria
██ criteria breach ██ criteria breach for 3 consequtive years, sanctions can be expected ... See also:Stability and...   » Read the article

Encyclopedia - Nyquist Stability Criterion: Encyclopedia Ii - Nyquist Stability Criterion - The Nyquist Criterion
The Nyquist Contour Nyquist proposed a contour in the s plane that goes as such: a path traveling up the jω axis, from to . a semicirc...   » Read the article

Encyclopedia - Asymptotic Stability: Encyclopedia Ii - Asymptotic Stability - Example Asymptotically Stable Systems
The graph on the right shows the impulse response of two similar systems. The green curve is the response of the system with impulse resp...   » Read the article

Encyclopedia - Hegemonic Stability Theory: Encyclopedia Ii - Hegemonic Stability Theory - Newer Variations Of The Theory
Neo Realists argue that the hegemon supports the system so long as it is in their interests. The system is created, shaped and maintained...   » Read the article

Encyclopedia - Stability Pact For South Eastern Europe: Encyclopedia Ii - Stability Pact For South Eastern Europe - Achievements
Stability Pact for South Eastern Europe - Regional Table. Stability Pact for South Eastern Europe - Working Table 1. Stability Pact ...   » Read the article

Encyclopedia - Stability Pact For South Eastern Europe: Encyclopedia Ii - Stability Pact For South Eastern Europe - Organization
The Special Coordinator is a head of the Stability Pact. Since 2002, the position is held by Erhard Busek. The pact is divided among thre...   » Read the article

Encyclopedia - Stability Pact For South Eastern Europe: Encyclopedia Ii - Stability Pact For South Eastern Europe - Creation
The pact was created at the initiative of the European Union on June 10, 1999 in Cologne. All of the countries of the region, except for ...   » Read the article

Encyclopedia - National Economic Stabilization And Recovery Act: Encyclopedia Ii - National Economic Stabilization And Recovery Act - Monetary System Reform
In the area of monetary system reform, NESARA proposes a structural reorganization of United States monetary policy to eliminate inflatio...   » Read the article

Encyclopedia - Freshness Date: Encyclopedia Ii - Freshness Date - Stabilization
Before a commercial beer is bottled, it will go through a stabilization process in order to prolong its shelf life and therefore affect t...   » Read the article

Encyclopedia - Permatemp: Encyclopedia Ii - Permatemp - Permatemp Job Stability
In many surveys, those in permatemp situations readily state that they would prefer to be regular employees of the companies they work fo...   » Read the article

Encyclopedia - Adaptive Optics: Encyclopedia Ii - Adaptive Optics - Beam Stabilization
A rather simple example is the stabilization of the position and direction of laser beam between modules in a large free space optical co...   » Read the article

Encyclopedia - Lyapunov Stability: Encyclopedia Ii - Lyapunov Stability - Stability For State Space Models
A state space model is asymptotically stable if ATM + MA + N = 0 has a solution where N = NT > 0 and M = MT > 0 (positive defini...   » Read the article

Encyclopedia - Wien Bridge Oscillator: Encyclopedia Ii - Wien Bridge Oscillator - Amplitude Stabilization
The key to Hewletts' low distortion oscillator is effective amplitude stabilization. The amplitude of electronic oscillators tends to inc...   » Read the article

Encyclopedia - Heron's Formula: Encyclopedia Ii - Heron's Formula - Numerical Stability
Heron's formula as given above is numerically unstable for triangles with a very small angle. A stable alternative involves arranging the...   » Read the article

Encyclopedia - Properly Discontinuous: Encyclopedia Ii - Properly Discontinuous - Definition With A Non-trivial Stabilizer
An extended definition is as follows. Consider a subgroup . One then says that a set Y is precisely invariant under H in G if Then let...   » Read the article

Encyclopedia - Ecological Effects Of Biodiversity: Encyclopedia Ii - Ecological Effects Of Biodiversity - Effects Of Diversity On Community Stability
  Ecological effects of biodiversity - How Species Diversity may Influence Community Stability.   Averaging Effect – If all...   » Read the article

Encyclopedia - Morpholino: Encyclopedia Ii - Morpholino - Specificity Stability And Non-antisense Effects
Morpholinos have become a standard knockdown tool in animal embryonic systems, which have a broader range of gene expression than adult c...   » Read the article

Encyclopedia - Bilinear Transform: Encyclopedia Ii - Bilinear Transform - Stability And Minimum-phase Property Preserved
A continuous-time filter is stable if the poles of its transfer function fall in the negative real half of the complex s-plane. A discret...   » Read the article

Encyclopedia - Group Action: Encyclopedia Ii - Group Action - Orbits And Stabilizers
Consider a group G acting on a set X. The orbit of a point x in X is the set of elements of X to which x can be moved by the elements of ...   » Read the article

Encyclopedia - History Of Mexico: Encyclopedia Ii - History Of Mexico - Stabilization And The Revolution Institutionalized
In 1929 the National Mexican Party, PNM, was formed by the serving president, General Plutarco Elías Calles. (It would later became the ...   » Read the article

Encyclopedia - History Of Mexico: Encyclopedia Ii - History Of Mexico - Stabilization And The Revolution Institutionalized
In 1929 the National Mexican Party, PNM, was formed by the serving president, General Plutarco Elías Calles. (It would later become the ...   » Read the article

Encyclopedia - History Of Bhutan: Encyclopedia Ii - History Of Bhutan - Current Threats To Stability
History of Bhutan - Assamese separatists. Several guerilla groups seeking to establish an independent Assamese state in northeast India...   » Read the article

Encyclopedia - Ray Transfer Matrix Analysis: Encyclopedia Ii - Ray Transfer Matrix Analysis - Resonator Stability
RTM analysis is particularly used when modelling the behaviour of light in optical resonators, such as those used in lasers. At its simpl...   » Read the article

Encyclopedia - R/k Selection Theory: Encyclopedia Ii - R/k Selection Theory - R/k Selection And Environmental Stability
In unstable or upredictable environments r-slection predominates, as the ability to reproduce quickly is crucial, and there is little adv...   » Read the article

Encyclopedia - Exact Solutions In General Relativity: Encyclopedia Ii - Exact Solutions In General Relativity - Global Stability Theorems
We can imagine "disturbing" the gravitational field outside some isolated massive object by "sending in some radiation from infinity". We...   » Read the article

Encyclopedia - Dihedral Group Of Order 6: Encyclopedia Ii - Dihedral Group Of Order 6 - Orbits And Stabilizers
The orbit of a point x in X is the set of elements of X to which x can be moved by the elements of G. The orbit of x is denoted by Gx: ...   » Read the article

Encyclopedia - Exact Solutions In General Relativity: Encyclopedia Ii - Exact Solutions In General Relativity - Global Stability Theorems
We can imagine "disturbing" the gravitational field outside some isolated massive object by "sending in some radiation from infinity". We...   » Read the article

Encyclopedia - Symmetry Groups In One Dimension: Encyclopedia Ii - Symmetry Groups In One Dimension - Orbits And Stabilizers
Consider a group G acting on a set X. The orbit of a point x in X is the set of elements of X to which x can be moved by the elements of ...   » Read the article

Encyclopedia - Levy Skew Alpha-stable Distribution: Encyclopedia Ii - Levy Skew Alpha-stable Distribution - Stability Property
(See (Voit 2003 § 5.4.3) and (Nolan 2005) The Lévy alpha-stable distributions have the "stability" property that if N alpha-stable vari...   » Read the article

Encyclopedia - Stability Pact For South Eastern Europe: Encyclopedia Ii - Stability Pact For South Eastern Europe - Fta Progress
Matrix of the Free Trade Agreements in the region. 1 representing Kosovo as per Security Council resolution 1244. ██ instrument ...   » Read the article

Encyclopedia - Dupuis: Encyclopedia Ii - Dupuis - Growth After Wwii
After some difficulties during the war (mainly because of the scarcity of paper towards the end of it, but also because American comics w...   » Read the article

Encyclopedia - Ecological Effects Of Biodiversity: Encyclopedia Ii - Ecological Effects Of Biodiversity - Theory And Preliminary Results From Examining Food Webs
  One major problem with both the diversity-productivity and diversity-stability debates discussed up to this point is that both foc...   » Read the article

Encyclopedia - Unbinilium: Encyclopedia Ii - Unbinilium - Stable Unbinilium
The element is of interest because it is part of the hypothesized island of stability, with isotope 304 being the most stable. ... See...   » Read the article

Encyclopedia - Ecological Effects Of Biodiversity: Encyclopedia Ii - Ecological Effects Of Biodiversity - Effects Of Diversity On Community Productivity
  Ecological effects of biodiversity - How Species Diversity May Influence Productivity.   Complementarity – Plant species ...   » Read the article

Encyclopedia - Ecological Effects Of Biodiversity: Encyclopedia Ii - Ecological Effects Of Biodiversity - Context And Motivation
  Ecological effects of biodiversity - Human Mediated Loss of Species.   It has become clear in recent years that we live on a...   » Read the article

Encyclopedia - Properly Discontinuous: Encyclopedia Ii - Properly Discontinuous - Basic Definition
The formal definition is as follows. Let a group G act on a topological space X by homeomorphisms. This action is called properly discont...   » Read the article

Encyclopedia - Bilinear Transform: Encyclopedia Ii - Bilinear Transform - Example
As an example take a simple RC-filter. This continuous-time filter has a transfer function If we wish to implement this filter as a di...   » Read the article

Encyclopedia - Routh–hurwitz Theorem: Encyclopedia Ii - Routh–hurwitz Theorem - Notations
Let f(z) be a polynomial (with complex coefficients) of degree n with no roots on the imaginary line (i.e. the line x=iy where i is the i...   » Read the article

Encyclopedia - Routh–hurwitz Theorem: Encyclopedia Ii - Routh–hurwitz Theorem - Statement
With the notations introduced above, the Routh–Hurwitz theorem states that: From the first equality we can for instance conclude tha...   » Read the article

Encyclopedia - Aegee: Encyclopedia Ii - Aegee - Activities
AEGEE organises a wide range of projects, most of which relate to one of four main fields of action: Active Citizenship, Higher Education...   » Read the article

Encyclopedia - Non-linear Control: Encyclopedia Ii - Non-linear Control - The Lur'e Problem
Control systems exhibiting the Lur'e problem (after A.I.Lur'e) have a forward path that is linear and time-invariant, and a feedback path...   » Read the article

Encyclopedia - Optical Cavity: Encyclopedia Ii - Optical Cavity - Practical Resonators
If the optical cavity is not empty (e.g., a laser cavity which contains the gain medium), the value of L used is not the physical mirror ...   » Read the article

Encyclopedia - Adaptive Optics: Encyclopedia Ii - Adaptive Optics - Introduction
When light from a star or another astronomical object enters the Earth's atmosphere, turbulence introduced (for example, by different tem...   » Read the article

Encyclopedia - Earthquake Construction: Encyclopedia Ii - Earthquake Construction - Development Of Earthquake Construction Techniques
People living in frequently shaken areas like Japan started early in developing earthquake resistant buildings based scientific study. Ot...   » Read the article

Encyclopedia - Model-view-controller: Encyclopedia Ii - Model-view-controller - Advantages And Disadvantages
Although widely used, MVC has both advantages and disadvantages compared to other design options, and individual circumstances should be ...   » Read the article

Encyclopedia - Minimum Phase: Encyclopedia Ii - Minimum Phase - Minimum Phase System
When we impose the constraints of causality and stability, the inverse system is unique; and the system and its inverse are called mini...   » Read the article

Encyclopedia - Aegee: Encyclopedia Ii - Aegee - Description
The association was established in 1985, and now has about 15 000 members in 204 university cities in 40 countries throughout Europe. AEG...   » Read the article

Encyclopedia - Heron's Formula: Encyclopedia Ii - Heron's Formula - Proof
A modern proof, which uses algebra and trigonometry and is quite unlike the one provided by Heron, follows. Let a, b, c be the sides of t...   » Read the article

Encyclopedia - Heron's Formula: Encyclopedia Ii - Heron's Formula - Generalizations
The formula is in fact a special case of Brahmagupta's formula for the area of a cyclic quadrilateral; both of which are special cases of...   » Read the article

Encyclopedia - Optical Cavity: Encyclopedia Ii - Optical Cavity - Resonator Modes
Light confined in a resonator will reflect multiple times from the mirrors, and due to the effects of interference, only certain patterns...   » Read the article

Encyclopedia - Colloid: Encyclopedia Ii - Colloid - Classification Of Colloids
Colloids can be classified as follows: Examples: fog, mist Examples: Smoke, dust Examples: Whipped cream Examples: Gelatin, jelly, cheese...   » Read the article

Encyclopedia - Infinite Impulse Response: Encyclopedia Ii - Infinite Impulse Response - Block Diagram
A typical block diagram of an IIR filter looks like the following. The "T" block is a unit delay. The coefficients and number of feedback...   » Read the article

Encyclopedia - Tether Propulsion: Encyclopedia Ii - Tether Propulsion - Usage
There are four potential ways to use tethers for propulsion. Tether propulsion - Tidal stabilization. An attitude control tether has a ...   » Read the article

Encyclopedia - Aegee: Encyclopedia Ii - Aegee - History
The association was born in 1985 at the first EGEE event: an assembly in Paris of students from Paris, Leiden, London, Madrid, Milan and ...   » Read the article

Encyclopedia - Polygyny: Encyclopedia Ii - Polygyny - Definitions
In social anthropology, polygyny is a marital practice in which a man has more than one wife simultaneously. This is the most common form...   » Read the article

Encyclopedia - Polygyny: Encyclopedia Ii - Polygyny - Human Polygyny
The majority of human societies have probably permitted polygyny. It was accepted in ancient Hebrew society, in classical China, and in I...   » Read the article

Encyclopedia - Psychopharmacology: Encyclopedia Ii - Psychopharmacology - History
Psychoactive drug use predates recorded history. Hunter-gatherer societies tended to favor hallucinogenic drugs, and today their use can ...   » Read the article

Encyclopedia - Psychopharmacology: Encyclopedia Ii - Psychopharmacology - Antipsychotic Drugs
Outside of the more popular drugs, there was success in the treatment of some of the symptoms of psychosis and depression. The first anti...   » Read the article

Encyclopedia - Psychopharmacology: Encyclopedia Ii - Psychopharmacology - Lsd
LSD, a powerful hallucinogen, was developed at the Sandoz Laboratories (now Novartis) in Switzerland from research on chemicals found in ...   » Read the article

Encyclopedia - Psychopharmacology: Encyclopedia Ii - Psychopharmacology - Mdma
MDMA, commonly known as Ecstasy, was popularized as an adjucant to talk therapy in the 1960s and 1970s by Dr. Alexander Shulgin. One prim...   » Read the article

Dictionary - Stability: Oceanography Dictionary - Stability
  Definition and meaning of stability:   stability - in ecological terms, a dynamic equilibrium among the physical and b...   » Read the article

Dictionary - Genetic Stability: Oceanography Dictionary - Genetic Stability
  Definition and meaning of genetic stability:   genetic stability - a measure of the resistance to change, with time, of...   » Read the article