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Projection | A Wisdom Archive on Projection |  | Projection A selection of articles related to Projection |  |
| We recommend this article: Projection - 1, and also this: Projection - 2. |
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projection, Projection
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| ARTICLES RELATED TO Projection | |  |  |  | Projection: Encyclopedia II - Projective space - MorphismsProjective linear maps between two projective spaces over the same field, say, P(V) and P(W), have the form
where T is an element of L(V,W), the space of linear maps between V and W, v is an element of V, and we consider the equivalence classes under the defining identification of the respective projective spaces. Since members of the equivalence class differ by a scalar factor, and linear maps preserve scalar factors, this induced ...
See also:Projective space, Projective space - Morphisms Read more here: » Projective space: Encyclopedia II - Projective space - Morphisms |
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| |  |  |  | Projection: Encyclopedia II - Project management - ApproachesThere are several approaches that can be taken to managing project activities including agile, iterative, incremental, and phased approaches.
A traditional phased approach identifies a sequence of steps to be completed. This contrasts with the agile software development or flexible product development approach at the other end of the spectrum, in which the project is seen as a series of relatively small tasks conceived and executed as the situation demands in an adaptive manner, ...
See also:Project management, Project management - Project management activities, Project management - Project control variables, Project management - History of project management, Project management - Approaches, Project management - The traditional approach, Project management - Process-based management, Project management - Project management standards and professional certification, Project management - Case Studies Read more here: » Project management: Encyclopedia II - Project management - Approaches |
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|  |  |  | Projection: Encyclopedia II - Project Orion - ApplicationsThe Orion nuclear pulse rocket design has extremely high performance. Orion nuclear pulse rockets using nuclear fission type pulse units were originally intended for use on interplanetary space flights. Orion rockets using nuclear fusion pulse units were intended for use on interstellar space flights.
The top cruise velocity that can be achieved by a thermonuclear Orion starship is about 8% to 10% of light velocity. An atomic (fission) Orion can achieve perhaps 3%-5% of the speed of light. A nuclear pulse drive starship powered by matter-antimatter pulse units would be theoretically capable of obtaining a velo ...
See also:Project Orion, Project Orion - Nuclear power, Project Orion - Background, Project Orion - Performance, Project Orion - Sizes of Orion vehicles, Project Orion - Applications, Project Orion - Economics, Project Orion - Vehicle Architecture, Project Orion - Potential Problems, Project Orion - The Plumbbob Test, Project Orion - Appearance in Fiction, Project Orion - Reference Read more here: » Project Orion: Encyclopedia II - Project Orion - Applications |
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|  |  |  | Projection: Encyclopedia II - Projective transformation - Transformations in projective 3-spaceThree-dimensional transformations can be defined synthetically as follows: point X on a "subjective" 3-space must be transformed to a point T also on the subjective space. The transformations uses these elements: a pair of "observation points" P and Q, and an "objective" 3-space. The subjective and objective spaces and the two points all lie in four-dimensional space, and the two 3-spaces can intersect at some plane.
Draw line l1 through points X and P. This line intersects t ...
See also:Projective transformation, Projective transformation - Transformations on the projective line, Projective transformation - Analysis, Projective transformation - Inverse transformation, Projective transformation - Identity transformation, Projective transformation - Composition of transformations, Projective transformation - The cross-ratio defined by means of a projection, Projective transformation - Conservation of cross-ratio, Projective transformation - Transformations on the projective plane, Projective transformation - Analysis, Projective transformation - Trilinear transformations, Projective transformation - Composition of trilinear transformations, Projective transformation - Planar transformations of lines, Projective transformation - Planar transformations of conic sections, Projective transformation - Planar projectivities and cross-ratio, Projective transformation - Example, Projective transformation - Transformations in projective 3-space, Projective transformation - Analysis, Projective transformation - Quadrilinear transformations, Projective transformation - Properties of quadrilinear transformations, Projective transformation - Spatial transformations of planes, Projective transformation - Reference Read more here: » Projective transformation: Encyclopedia II - Projective transformation - Transformations in projective 3-space |
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|  |  |  | Projection: Encyclopedia II - Project Mercury - AstronautsThe first Americans to venture into space were drawn from a group of 110 military pilots chosen for their flight test experience and because they met certain physical requirements. Seven of those 110 became astronauts in April 1959. Six of the seven flew Mercury missions (Deke Slayton was removed from flight status due to a heart condition). Beginning with Alan Shepard's Freedom 7 flight, the astronauts named their own spacecraft, and all added 7 to the name to ackno ...
See also:Project Mercury, Project Mercury - Spacecraft, Project Mercury - Boosters, Project Mercury - Astronauts, Project Mercury - Flights, Project Mercury - Robotic, Project Mercury - Piloted, Project Mercury - Piloted Mercury launches, Project Mercury - Mercury Flight insignias, Project Mercury - Follow-on programs, Project Mercury - Miscellaneous Read more here: » Project Mercury: Encyclopedia II - Project Mercury - Astronauts |
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|  |  |  | Projection: Encyclopedia II - Project Orion - EconomicsThe expense of the fissionables was thought high, until Ted Taylor proved that with the right designs for explosives, the amount of fissionables used on launch was close to constant for every size of Orion from 2,000 tons to 8,000,000 tons. Smaller ships actually use more fissionables, because they cannot use fusion bombs. The launch cost for the largest of Orions was 5 cents per pound (11 cent/kg) to Earth orbit in 1958 dollars. In 2005 dollars, the cost would be 32 cents/lb or 70 cents/kg. The larger bombs used more explosives to super-compress the fissionables, reducing fallout. The extra expl ...
See also:Project Orion, Project Orion - Nuclear power, Project Orion - Background, Project Orion - Performance, Project Orion - Sizes of Orion vehicles, Project Orion - Applications, Project Orion - Economics, Project Orion - Vehicle Architecture, Project Orion - Potential Problems, Project Orion - The Plumbbob Test, Project Orion - Appearance in Fiction, Project Orion - Reference Read more here: » Project Orion: Encyclopedia II - Project Orion - Economics |
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| | |  |  |  | Projection: Encyclopedia II - Project management - Project management standards and professional certificationThere have been several attempts to develop project management standards, such as:
ISO 10006:1997, Quality management - Guidelines to quality in project management
A Guide to the Project Management Body of Knowledge (PMBOK Guide)
PRINCE2 (Projects IN a Controlled Environment)
V-Modell (German project management method)
ISEB Project Management Syllabus
See also: An exhaustive list of standards (maturity models)
So far, there is no known attempt to develop a project management standard avai ...
See also:Project management, Project management - Project management activities, Project management - Project control variables, Project management - History of project management, Project management - Approaches, Project management - The traditional approach, Project management - Process-based management, Project management - Project management standards and professional certification, Project management - Case Studies Read more here: » Project management: Encyclopedia II - Project management - Project management standards and professional certification |
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|  |  |  | Projection: Encyclopedia II - Project Orion - ApplicationsThe Orion nuclear pulse rocket design has extremely high performance. Orion nuclear pulse rockets using nuclear fission type pulse units were originally intended for use on interplanetary space flights. Orion rockets using nuclear fusion type pulse units were intended for use on interstellar space flights. Some Orion nuclear pulse rockets using megaton range nuclear fusion type pulse units are capable of accelerating a spacecraft with a mass of millions of metric tons to velocities as high ...
See also:Project Orion, Project Orion - Nuclear power, Project Orion - Background, Project Orion - Performance, Project Orion - Sizes of Orion vehicles, Project Orion - Applications, Project Orion - Economics, Project Orion - Vehicle Architecture, Project Orion - Potential Problems, Project Orion - The Plumbbob Test, Project Orion - Appearance in Fiction, Project Orion - Reference Read more here: » Project Orion: Encyclopedia II - Project Orion - Applications |
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|  |  |  | Projection: Encyclopedia II - Project Orion - PerformanceThe Orion nuclear pulse drive combines a very high exhaust velocity of from 20,000 to 30,000,000 m/s, with meganewtons of thrust. Many spacecraft propulsion drives can achieve one of these or the other. Nuclear pulse rockets are the only system that can be built with existing technology and that simultaneously delivers both high thrust, and high specific impulse. (see spacecraft propulsion for more speculative systems) Specific impulse measures how much thrust can be derived from a given mass of fuel, and ...
See also:Project Orion, Project Orion - Nuclear power, Project Orion - Background, Project Orion - Performance, Project Orion - Sizes of Orion vehicles, Project Orion - Applications, Project Orion - Economics, Project Orion - Vehicle Architecture, Project Orion - Potential Problems, Project Orion - The Plumbbob Test, Project Orion - Appearance in Fiction, Project Orion - Reference Read more here: » Project Orion: Encyclopedia II - Project Orion - Performance |
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| | |  |  |  | Projection: Encyclopedia II - Map projection - Projections by preservation of a metric property
Map projection - Conformal.
Conformal map projections preserve angles locally:
Mercator
Stereographic
Lambert conformal conic
Map projection - Equal-area.
These projections preserve area:
Gall orthographic (also known as Peters projection)
Albers conic
Lambert azimuthal equal-area
Mollweide
Briesemeister
Sinusoidal
Werner
Bonne
Bottomley
Goode's homolosine ...
See also:Map projection, Map projection - Metric properties of maps, Map projection - Construction of a map projection, Map projection - Choosing a projection surface, Map projection - Orientation of the projection, Map projection - Scale, Map projection - Choosing a model for the shape of the Earth, Map projection - Classification, Map projection - Projections by surface, Map projection - Cylindrical, Map projection - Pseudocylindrical, Map projection - Conical, Map projection - Pseudoconical, Map projection - Azimuthal projections onto a plane, Map projection - Projections by preservation of a metric property, Map projection - Conformal, Map projection - Equal-area, Map projection - Equidistant, Map projection - Gnomonic, Map projection - Retroazimuthal, Map projection - Compromise projections, Map projection - Other noteworthy projections Read more here: » Map projection: Encyclopedia II - Map projection - Projections by preservation of a metric property |
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| | |  |  |  | Projection: Encyclopedia II - Map projection - Projections by preservation of a metric property
Map projection - Conformal.
Conformal map projections preserve angles locally:
Mercator
Stereographic
Lambert conformal conic
Map projection - Equal-area.
These projections preserve area:
Gall orthographic (also known as Peters projection)
Albers conic
Lambert azimuthal equal-area
Mollweide
Briesemeister
Sinusoidal
Werner
Bonne
Bottomley
Goode's homolosine ...
See also:Map projection, Map projection - Metric properties of maps, Map projection - Construction of a map projection, Map projection - Choosing a projection surface, Map projection - Orientation of the projection, Map projection - Scale, Map projection - Choosing a model for the shape of the Earth, Map projection - Classification, Map projection - Projections by surface, Map projection - Cylindrical, Map projection - Pseudocylindrical, Map projection - Conical, Map projection - Pseudoconical, Map projection - Azimuthal projections onto a plane, Map projection - Projections by preservation of a metric property, Map projection - Conformal, Map projection - Equal-area, Map projection - Equidistant, Map projection - Gnomonic, Map projection - Retroazimuthal, Map projection - Compromise projections, Map projection - Other noteworthy projections Read more here: » Map projection: Encyclopedia II - Map projection - Projections by preservation of a metric property |
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| | |  |  |  | Projection: Encyclopedia II - Projective transformation - Transformations on the projective lineLet X be a point on the x-axis. A projective transformation can be defined geometrically for this line by picking a pair of points P, Q, and a line m, all within the same x-y plane which contains the x-axis upon which the transformation will be performed.
Draw line l through points P and X. Line l crosses line m at point R. Then draw line n through points Q and R: line n will cross the xSee also: Projective transformation, Projective transformation - Transformations on the projective line, Projective transformation - Analysis, Projective transformation - Inverse transformation, Projective transformation - Identity transformation, Projective transformation - Composition of transformations, Projective transformation - The cross-ratio defined by means of a projection, Projective transformation - Conservation of cross-ratio, Projective transformation - Transformations on the projective plane, Projective transformation - Analysis, Projective transformation - Trilinear transformations, Projective transformation - Composition of trilinear transformations, Projective transformation - Planar transformations of lines, Projective transformation - Planar transformations of conic sections, Projective transformation - Planar projectivities and cross-ratio, Projective transformation - Example, Projective transformation - Transformations in projective 3-space, Projective transformation - Analysis, Projective transformation - Quadrilinear transformations, Projective transformation - Properties of quadrilinear transformations, Projective transformation - Spatial transformations of planes, Projective transformation - Reference Read more here: » Projective transformation: Encyclopedia II - Projective transformation - Transformations on the projective line |
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