frequency code signal的意思|示意

It is complicated to compute ambiguity function of frequency hop code signal and difficult to draw the ambiguity figure.

跳频编码脉冲雷达信号模糊函数的计算十分复杂，模糊图绘制非常困难。

The frequency hop code pulse signal is a new form of pulse compression radar signal, and is of great analysis value.

跳频编码脉冲信号是一种新的脉冲压缩雷达信号形式，极具研究价值。

In a GPS receiver, the signal acquisition coarsely adjusts the code phase and the carrier frequency of locally generated replicas to align with the corresponding satellite signal.

GPS接收机中信号捕获通过粗略调整本地复制信号的码相位和载波频率与卫星信号同步。

This paper presents a new algorithm used to demodulate high code rate DQPSK telemetry signal by digital frequency measurement.

本文根据高码速率DQPSK遥测信号的特点，介绍了一种通过数字瞬时测频来完成对高码速率DQPSK信号解调的方法。

The orthogonal sampling demodulating technique for low frequency time-code signal is introduced. Based on the theoretical analysis about its principle and implement method, The simulation is tested.

作者提出低频时码信号的正交扫描解调技术，从理论上分析了正交扫描原理和实现方法，并进行了仿真测试；

Frequency width is compressed by decreasing signature-code speed and using bit-signal modulates by different carrier so as to decrease multi-user interference.

利用降低码片速率有效降低每路信号占有的带宽，将每路信息的比特分配在不同的调制载波上，减少了各路信号间的多址干扰。