phase-shift microphone
移相式单相传声器 phase-shifting unidirectional microphone
移相传声器 phase-shift microphone ; microphone ; phase-shift
驻极体传声器目前主要是民用，单指向性驻极体传声器设计与生产的关键在于内部相移网络的控制。
The normal zero-IF topology with the single quadrature channels is very sensitive to the phase-error of the phase-shift network of LO.
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