Methods of measurement for radio transmitters ; part 8 : performance characteristics of vestigal - sideband demodulators used for testing television transmitters and transposers 无线电发射机的测量方法.第8部分:检验电视发射机和换位器用的残留边带解调器的特性
Signal channel is composed of photodetection preamplifier and filter circuit , reference channel and correlation demodulator are realized by labview 信号通道由硬件实现,包括光电探测前置放大电路及滤波电路;参考通道及相关解调器部分则利用labview软件编程实现。
In the part of modulation and demodulation , we analyzed the principles of harmonic mixer , detectors , power dividers / combiners and branch - line couplers 对调制/解调器射频电路部分，包括亚谐波混频器、检波器、功率分配/合成器和分支线耦合器基本原理进行了分析。
The division of function modules and their flow design are also achieved successfully . after successful design , the demodulator is tested in different conditions 完成解调器的设计后，为确定解调器的整体工作性能，在不同的实验条件下对解调工作性能进行了测试。
Methods of measurement for radio transmitters . part 8 : performance characteristics of vestigial - sideband demodulators used for testing television transmitters and transposers 无线电发射机的测量方法.第8部分:检测电视发射机和转播发射机用残留边带解调器的性能特征
In modem - to - modem communications , parity is often one of the parameters that must be agreed upon by sending parties and receiving parties before transmission can take place 在调制解调器对调制解调器的通信中，奇偶校验通常是传输发生之前发送方和接收方必须同意的参数之一。
Methods of measurement for radio equipment used in satellite earth stations - part 2 : measurements for sub - systems - section seven - frequency modulators - section eight - frequency demodulators 卫星通信地球站无线电设备测量方法第2部分:分系统测量第7节:频率调制器第8节:频率解调器
Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - transmitter receiver including modulator demodulator 数字微波无线电发射系统使用设备测量方法.地面无线电中继系统测量.发射机接收机包括调制器解调器
In order to implement the speed and accuracy of demodulation , tms320vc5402 is used in the system . the design method of dsp and the f - p driving voltage is introduced in the thesis 为了提高解调器的速度和精度，设计了基于tms320vc5402的高速信号处理系统，详细讨论了dsp芯片的选型和系统设计方法。
Some common used demodulation methods are discussed , with emphasis on the tunable fiber fabry - perot ( f - p ) filter demodulation method . as last , a completed fbg temperature sensing is constructed 探讨了基于调谐光纤f - p滤波法的光纤光栅解调器的研制，并组建了比较完整的光纤光栅温度传感检测系统。
