- depth of modulation
- 调制深度
English-Chinese electricity dictionary (电气专业词典). 2013.
depth of modulation
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Difference in the depth of modulation — The difference in the depth of modulation or DDM is used by instrument landing systems in conjunction with the associated airborne receiving equipment to define a position in airspace.[1] DDM is usually expressed in percentage but may also be… … Wikipedia
Difference in the Depth of Modulation — or DDM is a method used by the Instrument Landing System in conjunction with the associated airborne receiving equipment to define a position in airspace. [ [http://stinet.dtic.mil/oai/oai?verb=getRecord metadataPrefix=html identifier=ADA138301… … Wikipedia
Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry … Wikipedia
modulation depth — moduliavimo gylis statusas T sritis fizika atitikmenys: angl. modulation depth vok. Modulationstiefe, f rus. глубина модуляции, f pranc. profondeur de modulation, f; taux de modulation, m … Fizikos terminų žodynas
Modulation index — The modulation index (or modulation depth) of a modulation scheme describes by how much the modulated variable of the carrier signal varies around its unmodulated level. It is defined differently in each modulation scheme. See: Amplitude… … Wikipedia
modulation depth meter — moduliavimo gylio matuoklis statusas T sritis automatika atitikmenys: angl. modulation depth meter vok. Modulationstiefemesser, m rus. измеритель глубины модуляции, m pranc. mesureur du taux de modulation, m … Automatikos terminų žodynas
Space modulation — is a radio Amplitude Modulation technique used in Instrument Landing Systems that incorporates the use of multiple antennas fed with various radio frequency powers and phases to create different depths of modulation within airspace. This… … Wikipedia
Amplitude modulation — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Audio bit depth — In digital audio, bit depth describes the number of bits of information recorded for each sample. Bit depth directly corresponds to the resolution of each sample in a set of digital audio data. Common examples of bit depth include CD audio, which … 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
