A digital demodulation method of the FSK Signal is presented when its frequency parameters are unknown.
提出了一种在未知信号频率条件下的FSK信号数字化解调方法。
The principle of digital modulated signal is analyzed in this paper. Based on instant character parameters, a kind of digital communication signal demodulation method is established.
分析了信号数字调制的基本原理，提出一种基于信号瞬时特征参数的数字通信信号解调方法。
The interface circuit of ST7536 and power line finishes the modulation and demodulation of digital signal.
ST7536实现系统与电力线的接口，完成数字信号的调制与解调；
The traditional digital signal demodulation method that realizes more complex has the problems of carrier recovery, symbol synchronization and so on.
传统的数字信号解调方法存在着载波恢复、符号同步等问题，实现起来较为复杂。
Based on the analysis to signal detection theory of FOG, the analog demodulation circuit and digital logic circuit etc were designed, and prototype test was carried out.
在对光纤陀螺信号检测理论分析的基础上，设计了模拟解调电路、数字逻辑电路等，并进行了样机测试。
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；
In the simulation, the transmission and demodulation of all digital HA safety subcarrier signal is realized. The simulated test result of noise suppression performance of HA is con...
仿真试验实现了全数字化的主字母指令副载波信号的发送和解调，抗噪性能测试的结果与理论分析的结果相一致。
In the simulation, the transmission and demodulation of all digital HA safety subcarrier signal is realized. The simulated test result of noise suppression performance...
仿真试验实现了全数字化的主字母指令副载波信号的发送和解调，抗噪性能测试的结果与理论分析的结果相一致。
In the digital mobile communication, with the effect of modulation, transmission channels and demodulation, the received signal ineluctably has some distortion.
在移动通信系统中，信号经过调制发射、信道传输和接收解调的过程中，不可避免的会引入一些干扰，使得有用信号受到影响。
The digital part is responsible for combining digital signal processor DSP with ADC to realize frequency spectrum remove, which is to realize the function of modulation and demodulation.
数字部分为数字信号处理器DS P结合adc实现信号的频谱搬移，达到调制解调功能。
Demodulator separately extracted falling and rising edge in input signal, and then synthesized digital signal to a digital circuit, achieve high-speed demodulation circuit.
完成了可以将凹槽的下降边缘和上升边缘分开提取出来运放跟随器解调电路，实现电路的高速解调。
Demodulator separately extracted falling and rising edge in input signal, and then synthesized digital signal to a digital circuit, achieve high-speed demodulation circuit.
完成了可以将凹槽的下降边缘和上升边缘分开提取出来运放跟随器解调电路，实现电路的高速解调。
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