Aimed at 2dpsk modulation, the cross spectra demodulation method that obtains relative phase information through calculating the cross spectra of two neighboring symbol signals is proposed.
针对2DPSK调制方式，提出了通过对相邻两个码元信号求互谱来获取相对相位信息的互谱解调法。
This paper introduces a method of FSK modulation and demodulation using CMOS phase locked-loop chip CD4046.
文章介绍了一种利用CMOS锁相环芯片CD 4046实现FSK信号调制与解调的方法。
The paper presents an signal demodulation method used in EMT based on phase feedback search.
提出适用于EMT的基于相位反馈搜索的信号解调方法。
Concerning the problem of demodulating the weak Binary Phase Shift Keying (BPSK) signal, the demodulation method based on chaotic system was researched.
针对微弱二进制相移键控(BPSK)信号的解调问题，对基于混沌系统的解调方法进行了研究。
Realize digital orthogonal demodulation; the method and results of amplitude consistence and phase orthogonality of the I, Q signal have been given;
给出数字正交解调后输出I、Q两路信号的幅度一致性误差和相位正交性误差的测试方法和测试结果；
The effect of in-phase and quadrature channel errors on digital quadrature demodulation is analyzed and an optimal digital filter design method is selected.
通过分析同相、正交通道误差对正交解调性能的影响，确定了滤波器最佳设计准则。
This paper presents the design and measurement results of a new phase measurement method, which is based on quadrature phase demodulation and helped with MCS-51 single microcomputer.
介绍一种以正交鉴相为基础。以MCS - 51单片微机为核心的相位检测方案的设计思想和实验结果。
The design scheme and realization method of embedded system are presented. ARM was used to communicate data and DSP implemented phase demodulation, and it expanded several interfaces.
提出了一种嵌入式系统设计方案及实现方法，主要通过ARM进行远程数据通信，通过DSP实现解调算法，并扩展了多种输出接口。
The design scheme and realization method of embedded system are presented. ARM was used to communicate data and DSP implemented phase demodulation, and it expanded several interfaces.
提出了一种嵌入式系统设计方案及实现方法，主要通过ARM进行远程数据通信，通过DSP实现解调算法，并扩展了多种输出接口。
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