The key problem of GPS receiver is how to treat with the signal of satellite, so carrier wave phase measure is expatiated particularly in this paper, and particularly study on static measure.
GPS接收机的关键问题是对卫星GPS信号的处理,因此本文对载波相位测量进行了详细论述,并重点研究了静态测量。
参考来源 - GJS系列单频GPS接收机产品升级方案的设计与实现·2,447,543篇论文数据,部分数据来源于NoteExpress
Non coherent demodulation for 2PSK detects relation of carrier wave phase of the interval symbol by the (half period of carrier wave) delay and the adder, then the data is demodulated.
PSK非相干解调法将经延时半个载波周期的接收信号与原接收信号相加,检测出两相邻码元载波相位变化情况,从而解调出数字信息。
These signals provide an important reference of the gain of antenna, the time reference, the phase reference and the frequency of carrier wave for generating stimulant echo signal.
这些信号分别为模拟回波信号的生成提供了天线增益大小、时间基准、相位基准和载波频率大小等重要的参考信息。
The test result indicates that the phase modulator without transformer can suppress the carrier wave.
实测结果表明,这种无变压器环形相位调制器能较好地抑制载波。
应用推荐