常見(jiàn)例句雙語(yǔ)例句The receiver achieves multiple functions such as frequency down conversion, pulsed carrier recovery, phase-modulation demodulation.接收機(jī)實(shí)現(xiàn)了下變頻、脈沖射頻載波恢複和基帶信號(hào)解調(diào)。The optimum receiver performance of a hybrid pulse phase and position modulation(PAPM) over ultra-wideband(UWB) indoor fading channel model is analyzed.分析了UWB室內(nèi)衰落信道模型下脈沖幅度位置混郃調(diào)制（PAPM）最優(yōu)接收機(jī)性能。 返回 phase-modulation receiver