1) wireless microphone
无线电话筒
2) wireless microphone
无线话筒
1.
U wave band(860MHz) frequency modulation wireless microphone transmitter and receiver with dynamic pressure-expansion and mute function was designed by selecting the SL5020P for compressing and expanding the dynamic range of an audio signal,the TX14570L for discriminator,RO2164D and hypercap diodee for frequency modulator.
选用音频动态压扩器SL5020P、鉴频器TX14570L、声表面波滤波器RO2164D和变容二极构成调频器,设计并制作了一种具有动态压扩和静音功能的U波段(860MHz)调频无线话筒发射和接收机,给出了完整电路,并较为详细地阐述了设计思路。
2.
This paper introduced the basic requirements for wireless microphone used in multimedia classroom and the basic characteristics of wireless digital audio chip nRF24Z1.
简述了多媒体教室无线话筒的基本要求和无线数字音频芯片nRF24Z1的基本特性。
5) radio telephone
无线电话，无线电话机
补充资料：无线电通信波段(见无线电通信)
无线电通信波段(见无线电通信)
radio communication wave range
wuxiandian tongXin boduan无线电通信波段(rads。。ommunicationWaVe range)见无线电通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条