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单词 pulse position modulation
释义

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pulse position modulation
pulse position modulation n. Telecommunications a form of pulse modulation in which variations in the signal amplitude are represented by variations in the time position of the pulses relative to their unmodulated position; abbreviated PPM.
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society > communication > telecommunication > [noun] > signal > modulation
choke control1909
modulation1919
frequency modulation1922
pulse modulation1929
phase modulation1930
undermodulation1940
pulse time modulation1944
pulse position modulation1945
PCM1947
pulse amplitude modulation1947
pulse code modulation1947
pulse frequency modulation1950
pulse width modulation1953
pulse duration modulation1956
1945 Electronic Industries Dec. 82 (heading) Pulse position modulation technic.
1992 RS Components: Electronic & Electr. Products July 818/2 The device uses pulse position modulation (P.P.M.) without a carrier, and is therefore best suited to infra-red or direct wire link applications.
2002 P. Miles Robot Sumo viii. 157 Movement commands are encoded using a pulse position modulation (PPM) method (many people incorrectly call this pulse width modulation).
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