Positive (negative) amplitude modulation

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• Amplitude modulation — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• Pulse-amplitude modulation — Principle of PAM: (1) original signal, (2) PAM signal, (a) amplitude of signal, (b) time Pulse amplitude modulation, acronym PAM, is a form of signal modulation where the message information is encoded in the amplitude of a series of signal… …   Wikipedia

• Amplitude — is the magnitude of change in the oscillating variable, with each oscillation, within an oscillating system. For instance, sound waves are oscillations in atmospheric pressure and their amplitudes are proportional to the change in pressure during …   Wikipedia

• Negative index metamaterials — A negative index metamaterial causes light to refract, or bend, differently than in more common positive refractive index materials. Negative index metamaterials or negative index materials (NIM) are artificial structures where the refractive… …   Wikipedia

• Negative Frequenz — Die negative Frequenz tritt als Komponente bei harmonischen Schwingungen auf, wenn die mathematische Beschreibung in der komplexen Zahlenebene mit komplexen Zahlen erfolgt. Das Vorzeichen hat dabei physikalisch keine Bedeutung und spezifiziert… …   Deutsch Wikipedia

• Pulse-density modulation — Pulse density modulation, or PDM, is a form of modulation used to represent an analog signal in the digital domain. In a PDM signal, specific amplitude values are not encoded into pulses as they would be in PCM. Instead it is the relative density …   Wikipedia

• Pulse-code modulation — PCM redirects here. For other uses, see PCM (disambiguation). Pulse code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form for digital audio in computers and various Blu ray, Compact Disc and …   Wikipedia

• Delta-sigma modulation — Delta sigma (ΔΣ; or sigma delta, ΣΔ) modulation is a method for encoding high resolution or analog signals into lower resolution digital signals. The conversion is done using error feedback, where the difference between the two signals is… …   Wikipedia

• Video modulation — In Amplitude Modulated (AM) broadcast analogue television systems it is possible to modulate the video signal two ways. Peak White Positive Peak white can be made to correspond to peak transmitter power (100 IRE) and the synchronisation (sync)… …   Wikipedia

• позитивная (негативная) модуляция — Амплитудная модуляция несущей изображения телевизионным видеосигналом, при которой увеличение размаха сигнала приводит к увеличению (уменьшению) размаха модулированной несущей. [ГОСТ 21879 88] Тематики телевидение, радиовещание, видео Обобщающие… …   Справочник технического переводчика

• Позитивная (негативная ) модуляция — 93. Позитивная (негативная ) модуляция D. Positive (Negative) Amplitudenmodulation E. Positive (negative) amplitude modulation F. Modulation d’amplitude positive (négative) Амплитудная модуляция несущей изображения телевизионным видеосигналом,… …   Словарь-справочник терминов нормативно-технической документации