单词 | pulse position modulation |
释义 | > as lemmaspulse 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. ΘΚΠ 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). < as lemmas |
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