pulse envelope

См. также в других словарях:

• Pulse compression — is a signal processing technique mainly used in radar, sonar and echography to augment the range resolution as well as the signal to noise ratio. This is achieved by modulating the transmitted pulse and then correlating the received signal with… …   Wikipedia

• Pulse-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… …   Wikipedia

• Ultrashort pulse — In optics, an ultrashort pulse of light is an electromagnetic pulse whose time duration is on the order of the femtosecond (10 − 15 second). Such pulses have a broadband optical spectrum, and can be created by mode locked oscillators. They are… …   Wikipedia

• Slowly varying envelope approximation — In physics, the slowly varying envelope approximation (SVEA) is the assumption that the envelope of a forward travelling wave pulse varies slowly in time and space compared to a period or wavelength. This requires the spectrum of the signal to be …   Wikipedia

• Frequency comb — A frequency comb is the graphic representation of the spectrum of a mode locked laser. An octave spanning comb can be used for mapping radio frequencies into the optical frequency range or it can be used to steer a piezoelectric mirror within a… …   Wikipedia

• Radar signal characteristics — A Radar System uses a Radio Frequency electromagnetic signal reflected from a target to determine information about that target. In any radar system, the signal transmitted and received will exhibit many of the characteristics described below.The …   Wikipedia

• Split-step method — In numerical analysis, the split step (Fourier) method is a pseudo spectral numerical method used to solve nonlinear partial differential equations like the nonlinear Schrödinger equation. The name arises for two reasons. First, the method relies …   Wikipedia

• Electromagnetic theories of consciousness — The electromagnetic theory of consciousness is a theory that says the electromagnetic field generated by the brain (measurable by EEGs) is the actual carrier of conscious experience.This theory was initially proposed by Johnjoe McFadden, Susan… …   Wikipedia

• огибающая импульса — Контур, огибающий импульс в координатах амплитуда время. [BS EN 1330 4:2000. Non destructive testing Terminology Part 4: Terms used in ultrasonic testing] [Система неразрушающего контроля. Виды (методы) и технология неразрушающего контроля.… …   Справочник технического переводчика

• огибающая импульсов — — [Л.Г.Суменко. Англо русский словарь по информационным технологиям. М.: ГП ЦНИИС, 2003.] Тематики информационные технологии в целом EN pulse envelope …   Справочник технического переводчика

• Buchla 200e — The Buchla 200e is a modular analog synthesizer designed by electronic music pioneer Don Buchla and built by Buchla and Associates. Modules 200e synthesizer platform includes several modules that roughly correspond to the canonical analog… …   Wikipedia