control pulse power
31Centralized traffic control — (CTC) is a signalling system used by railroads. The system consists of a centralized train dispatcher s office that controls railroad switches in the CTC territory and the signals that railroad engineers must obey in order to keep the traffic… …
32Microwave Power Module — A Microwave Power Module (MPM) is a microwave device used to amplify radio frequency signals to high power levels. It is a hybrid combination of solid state and vacuum tube electronics, which encloses a solid state driver amplifier (SSPA),… …
33William Howard Taft: Limited Presidential Power — ▪ Primary Source Theodore Roosevelt, in his Autobiography (1913), discussed the presidential office in terms of what he called Buchanan Presidents and Lincoln Presidents. The former category included those whose strict constitutional …
34History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …
35Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
36Motor controller — A motor controller is a device or group of devices that serves to govern in some predetermined manner the performance of an electric motor.[1] A motor controller might include a manual or automatic means for starting and stopping the motor,… …
37Battery charger — This unit charges the batteries until they reach a specific voltage and then it trickle charges the batteries until it is disconnected …
38Spacecraft propulsion — A remote camera captures a close up view of a Space Shuttle Main Engine during a test firing at the John C. Stennis Space Center in Hancock County, Mississippi Spacecraft propulsion is any method used to accelerate spacecraft and artificial… …
39Apollo Guidance Computer — and DSKY Invented by MIT Instrumentation Laboratory Manufacturer Raytheon Introduced August 1966 …
40D-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… …
