quadrature demodulation

Simulation and Performance Analysis on the System of Quadrature Amplitude Modulation and Demodulation Based on the Known Channels

基于已知特性信道的QAM系统的仿真和性能分析

Then the results are analyzed and compared in order to design the applicable system, which are valuable to the system of quadrature amplitude modulation and demodulation.

通过对得到的仿真结果进行比较和分析，在理论上，得到合理设计QAM系统的方法.这些分析方法和得到的结论对工程中的QAM调制解调系统实现具有一定的价值。

Digital Quadrature Demodulation for the Wireless SAW Sensing Information

无线声表面波传感器信号的数字正交检波处理

In order to solve the problem of low accuracy in measuring time difference in SAW based wireless sensor system, a method of digital quadrature demodulation is presented.

提出了采用数字式正交检波技术得到I、Q通道的方法，以此来测量相位，获取传感信息，很好地解决了在无线声表面波传感器测量系统中测量时间差精度低的问题。

The system distortion is inevitable in ultra-wide-band quadrature demodulation receiver cons i sting of analog devices.

由模拟器件构成的超宽带正交解调接收机不可避免地存在系统失真,这些失真的存在有时会严重影响系统的性能.

Discuss the principle and detailed implementation of Quadrature Amplitude Demodulation and channel decoding for DVB C.

讨论了数字视频广播有线系统标准中正交幅度解调和信道解码的基本原理和具体实现方案。