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信号解调     
相关语句
  signal demodulation
     A π/4-DQPSK Signal Demodulation Algorithm Based on Instantaneous Phase Calculation
     基于瞬时测相的π/4-DQPSK信号解调算法
短句来源
     Design and Realization of the Receiving Signal Demodulation System of Uninsulated Audio Frequency Track Circuit On the Basis of TMS320C32
     基于TMS320C32的音频无绝缘轨道电路接收信号解调系统的设计与实现
短句来源
     A Signal Demodulation Algorithm Based on Sliding DFT
     一种基于滑动DFT的信号解调算法
短句来源
     Study on FSK Signal Demodulation Based on Time-Frequency Distribution
     时频分布在FSK信号解调中的应用研究
短句来源
     Study on Frequency-shift Signal Demodulation Using EMD Algorithm
     EMD算法在移频信号解调中的应用研究
短句来源
更多       
  signal demodulation system
     Design and Realization of the Receiving Signal Demodulation System of Uninsulated Audio Frequency Track Circuit On the Basis of TMS320C32
     基于TMS320C32的音频无绝缘轨道电路接收信号解调系统的设计与实现
短句来源
  signal divide-modulating
     It researches a signal divide-modulating of the mechanical fault automatic monitoring system, it expounds the design of the monitoring system and discusses the implementation method of data communication.
     研究了机械故障自动监测系统的信号解调 ,介绍了相应监测系统的设计 ,讨论了从串行通信的角度进行数据传送的实现方法。
短句来源
  signal demodulating
     The Application of TLC320AC01 in Multi-channel FSK Signal Demodulating System
     TLC320AC01在多通道FSK信号解调系统中的应用
短句来源
     Subsection FFT algorithm applied to signal demodulating of FBG sensors
     分段FFT算法在FBG传感器信号解调中的应用
短句来源
     A double core including DSP microprocessor and Cygnal51 is used for real-time signal sampling, optical phase modulating, acceleration signal demodulating and so on.
     采用DSP和Cygnal51双核设计技术,实现实时信号采集、光相位调制、加速度信号解调等;
短句来源
     Through analyzing the frequency and spectrum of detected signal and output signal of optical fiber sensor,a kind of processing method for signal processing and signal demodulating of TDM of optical fiber interferometric sensor array was designed. The result of the experiment was given.
     :通过对被测信号与光纤传感器输出信号频率、频谱的分析 ,设计了一种时分干涉型光纤传感器阵列信号处理与信号解调的处理方案 ,并给出了实验结果
短句来源
     (2) Realizes the continuous phase BFSK soft modulate procedure based on the V.21 modem recommendation, and proposes a valid orthogonal structure detecting algorithm to determine the start time of a code, and a BFSK signal demodulating algorithm based on CZT spectrum analysis.
     (2) 基于V.21调制解调器,实现相位连续的BFSK软调制过程; 分析各种BFSK信号解调算法,提出一种有效的正交结构码元起始位置判决算法和一种基于CZT谱分析的BFSK信号解调算法。
短句来源
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      signal demodulation
    By digitalizing the output of the gyroscope, this system uses a floating-type digital signal processor (DSP) to process the signal demodulation and achieve the feedback control of the gyroscope.
          
    Near-optimal signal demodulation method with a special quasi-Gaussian weight function
          
    The design choices include methods for signal modulation at the sender, and symbol synchronization, signal filtering, and signal demodulation at the receiver.
          
    Demod application for signal demodulation, equalization and bit stream analysis.
          
    Good eye opening can be seen indicating error free signal demodulation.
          
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      其他


    This paper analyses various demodulation for ultrasonic Doppler frequency shift signal. First of all, the formula for mixed signals fed to the demodulator is established. Then, ordinary methods for demodulation——amplitude detection, frequency discrimination, phase detection and multiplication ——are analysed. Finally, the conclusion is obtained from comparing their fidelity that the excellent method is to employ multiplication for demodulating Doppler frequency shift signal.

    本文较为系统地对各种超声多普勒(Doppler)频移信号的解调进行分析。首先导出了输入到解调器的混合信号公式,然后对常用的解调方法——检波、鉴频、鉴相和乘法——进行了分析,得出从保真度出发采用乘法的方法对多普勒频移信号进行解调最为合适的结论。

    本文叙述作者在超声Doppler血流测量系统保真、噪声等方面的研究工作:从理论上分析了Doppler信号解调过程中产生的失真;Doppler系统的噪声来源。最后提出了改进Doppler系统信噪比的措施并给出了实验结果。

    In this paper the composition of color drilling TV and its principle of operation are described. Its keypart, a frequency division single-tube color camera, is discussed mainly. A spatial-frequency encoding, a form of single decoding and a filter integrated color vidicon are analysed in detail. The applications of color drilling TV to Gezhouba project are introduced.

    本文介绍了彩色钻孔电视的组成及其工作原理,重点讨论了它的关键部分——频率分离式单管彩色摄象机,对空间频率编码、信号解调方式及FIC管做了详细分析,并对在长江葛州坝工程的应用情况做了介绍。

     
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