undermodulationn.

Etymology: under- prefix¹ 5(b).Previous versions of the OED give the stress as: ˌundermoduˈlation.

Radio and Cinematography.

Modulation that is less than it need be, so that the available capacity of a transmitter or medium is underused or the signal is too weak.

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

1940 Chambers's Techn. Dict. 877/1 Undermodulation.

1962 A. Nisbett Technique Sound Studio v. 94 Programme meters... Its uses are:..(ii) to provide indications of levels which would result in under- or over-modulation at the recorder or transmitter.

Derivatives

underˈmodulate v. transitive.

ΘΚΠ

society > communication > telecommunication > [verb (transitive)] > modulate

modulate1908

phase-modulate1941

pulse1957

frequency-modulate1962

undermodulate1962

1962 A. Nisbett Technique Sound Studio v. 100 Reducing the effective service area of the transmitter by undermodulating a whole programme.

underˈmodulated adj.

ΘΚΠ

society > communication > telecommunication > [adjective] > modulated

frequency-modulated1936

phase-modulated1936

pulse-modulated1943

pulse-time-modulated1945

undermodulated1974

1974 Listener 2 May 573/3 Why are the transmissions on Radio 3 invariably under-modulated?

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019).

单词	undermodulation
释义	undermodulationn. Etymology: under- prefix¹ 5(b).Previous versions of the OED give the stress as: ˌundermoduˈlation. Radio and Cinematography. Modulation that is less than it need be, so that the available capacity of a transmitter or medium is underused or the signal is too weak. 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 1940 Chambers's Techn. Dict. 877/1 Undermodulation. 1962 A. Nisbett Technique Sound Studio v. 94 Programme meters... Its uses are:..(ii) to provide indications of levels which would result in under- or over-modulation at the recorder or transmitter. Derivatives underˈmodulate v. transitive. ΘΚΠ society > communication > telecommunication > [verb (transitive)] > modulate modulate1908 phase-modulate1941 pulse1957 frequency-modulate1962 undermodulate1962 1962 A. Nisbett Technique Sound Studio v. 100 Reducing the effective service area of the transmitter by undermodulating a whole programme. underˈmodulated adj. ΘΚΠ society > communication > telecommunication > [adjective] > modulated frequency-modulated1936 phase-modulated1936 pulse-modulated1943 pulse-time-modulated1945 undermodulated1974 1974 Listener 2 May 573/3 Why are the transmissions on Radio 3 invariably under-modulated? This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019). < n.1940
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