Research the digital quadrature demodulation.
数字解调技术及其实现。
The error model in UWB impulse quadrature demodulation receiver has been analyzed.
对脉冲体制的超宽带正交解调接收机幅相误差模型进行了深入分析。
Analyze the quadrature demodulation and difference demodulation algorithm of MSK signal.
对MS K信号，分析了正交解调和差分解调算法。
A quadrature demodulation-based signal processing method of coriolis mass flowmeter is studied.
研究基于正交解调的科里奥利质量流量计的信号处理方法。
A method to design efficient radar wideband digital quadrature demodulation receiver is described. The design condition is also given.
描述了一种高效的雷达宽带正交接收机的全数字设计方法，给出了设计条件。
Finally, the validity of digital correction is verified by simulation and practical measurement of a UWB quadrature demodulation receiver.
最后，对某超宽带正交解调接收机的实际测量结果的数字校正，验证了这种方法的有效性。
Correction coefficients can be received based on statistic average when importing a test signal. Then quadrature demodulation errors are realized.
利用在接收机输入端加入测试信号，基于统计平均的思想求出所需要的校正系数，然后实现正交解调误差的校正。
It is clearly clarified the conceptions of quadrature modulation, quadrature exciting, quadrature receiving, and quadrature demodulation in the MRI system.
阐明了MRI系统中所使用的正交调制、正交解调、正交激发和正交接收的概念。
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。
The architecture of FM quadrature demodulation was provided. On the universal IF digitalization hardware platform, FM waveform was demodulated in base-band together with SSB and FM.
给出了FM正交解调结构，即在统一的中频数字化硬件平台上，与单边带、调幅等波形一起在基带完成正交解调。
As a key technology in digital quadrature demodulation system, the direct IF sampling filter with sharp cutting-off transition band can improve the performance of demodulation system.
中频采样是数字正交鉴相系统中的一项关键技术，具有锐截止特性的中频采样滤波器可以改善鉴相系统的性能。
Based on polyphase filtering technology for digital quadrature transform, this paper presents a new algorithm for digital quadrature demodulation in SR through mathematical derivation.
文章基于多相滤波的数字正交变换技术，通过数学推导，提出了一种软件无线电中的数字化正交解调新算法。
Under certain conditions, combining the polyphase filtering structure of decimation filter, put forward an optimum design method of quadrature demodulation receiver, which owns decimation structure.
结合抽取滤波器的多项滤波结构，在一定条件下，推导出了一种含抽取正交解调接收机最优结构设计方法。
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。
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。
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