position error signal
21Pseudorange — The pseudorange (from and range) is a first approximation measurement for the distance between a satellite and a navigation satellite receiver for instance Global Positioning System (GPS) receivers.To determine its position, a satellite… …
22Pulse-width modulation — (PWM) of a signal or power source involves the modulation of its duty cycle, to either convey information over a communications channel or control the amount of power sent to a load. PrinciplePulse width modulation uses a square wave whose pulse… …
23Dilution of precision (GPS) — This article pertains to the Global Positioning System. For the connotation pertaining to computer graphics, see dilution of precision (computer graphics). Dilution of precision (DOP), or geometric dilution of precision (GDOP), is a term used in… …
24David L. Fried — is a scientist, best known for his contributions to optics. Fried described what has come to be known as Fried s seeing diameter, or r0 (usually pronounced r naught). The seeing diameter is effectively a limiting aperture due to atmospheric… …
25Brain — This article is about the brains of all types of animals, including humans. For information specific to the human brain, see Human brain. For other uses, see Brain (disambiguation). A chimpanzee brain The brain is …
26Defect detector — Overview of a wheel impact detector installation A defect detector is a device used on railroads to detect axle and signal problems in passing trains. The detectors are normally integrated into the tracks and often include sensors to detect… …
27DAMP Project — The Downrange Anti missile Measurement Program or DAMP was an applied research project to obtain scientific data, just prior to and during re entry, on intermediate and intercontinental range ballistic missiles as they returned to earth. The… …
28D-37C — The D 37C is the computer component of the all inertial NS 17 Missile Guidance Set (MGS) for accurately navigating to its target thousands of miles away. The NS 17 MGS was used in the Minuteman II (LGM 30F) ICBM. The MGS, originally designed and… …
29AFWA — Dies ist der erste Teil einer Liste der Abkürzungen und Akronyme, wie sie in der Luftfahrt und Militärluftfahrt verwendet werden. Viele Abkürzungen werden einfach durch Weglassen der Vokale gebildet. Liste der Abkürzungen Teil 1 A A (AA; AB; AC;… …
30Abkürzung Luftfahrt — Dies ist der erste Teil einer Liste der Abkürzungen und Akronyme, wie sie in der Luftfahrt und Militärluftfahrt verwendet werden. Viele Abkürzungen werden einfach durch Weglassen der Vokale gebildet. Liste der Abkürzungen Teil 1 A A (AA; AB; AC;… …
