The cable is applicable for radio freguency signal transmission of radio communica tion and relative electronic equipments 适用于无线电通讯，广播和有关电子设备中传输射频信号和实芯聚乙烯同轴和对称型射频电缆。
The basic calibration of a rf signal generator normally includes tests on output level accuracy , level flatness , and frequency accuracy 射频信号发生器的基本校正工作一般包括测试输出电平准确度、电平不平坦度及频率准确度。
As a result , switching configurations for rf signals are designed to minimize signal losses and maintain a characteristic impedance through the system 因此，射频信号的切换配置被设计为使信号损耗降至最低，并维持系统的特征阻抗。
The lower resistance should select properly , too big to make radio frequency signal drive collector current too little , too small to make amplifier instable easily 下偏电阻要选取适中，过大会使射频信号推动集电极电流的能力过小，过小容易使放大器不稳定。
This course explores the detection and measurement of radio and optical signals encountered in communications , astronomy , remote sensing , instrumentation , and radar 这一门课程是探讨在通信、天文、遥测（遥感） 、仪器与雷达上的射频信号与光信号的检测与度量。
Scope of application : the product is fit for the transmission of radio frequency signals in radio equipment or in electronic equipment adopting similar technologies 产品用途:产品适用于煤矿井下无线电通讯设备和采用类似技术的电子装置的有关无线电子设备中传输射频信号。
This dissertation has studied the effects caused by terrain environment on the propagation of rf signal . the effects includes land clutter , multipath and diffraction 论文主要研究地面环境对射频信号传播的影响,包括三个方面的内容:地杂波效应、多路径效应和衍射效应。
Suitable for transmitting 1ghz and following radio frequency signal , spread the digital signal under audio frequency 150khz and following simulation signal 2048kbits frequently 适用于传输1ghz及以下的射频信号，传频音频150khz及以下的模拟信号2048kbits以下的数字信号。
And the spreading modulation , radiation signal modulation and choosing of waveform parameters are also discussed , which is the base of the receiver designing 同时对扩频调制方式、射频信号调制方式以及波形参量的选择进行了重点的论述，并对扩频通信系统的相关指标进行了计算。
Return optical receiver 16 - way receiving zhsr - 200 at most , can be equipped with 8 forward receiver module , 1 receiver module can 2 way return optical signal , then send out 1 rf after combination 最多可配置8个反向光接收模块， 1个接收模块能接收2路反向光信号，经混合后输出1路射频信号。
