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。
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.
分别实现了V．29信号基本调制解调过程，包括平方根升余弦滚降脉冲成形技术的滤波器实现，以及对信号的正交调制与解调过程。
Realizes V. 29 signal basic modulate and demodulate procedure which includes square root raised cosine rolling-off shaping filter and orthogonal channel signal modulator and demodulator.
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 effect of in-phase and quadrature channel errors on digital quadrature demodulation is analyzed and an optimal digital filter design method is selected.
在介绍超磁致伸缩材料的磁致伸缩效应、光纤光栅检测电流原理以及双芯光纤滤波器解调原理的基础上，借助超磁致伸缩材料和光纤光栅等构建了电流测量单元。
Based on the theoretical analysis of the principle of the FBG current measurement, the magnetostrictive effect of GMM, and the interrogation technology of twin-core fiber filter are introduced.
介绍了一种基于边缘滤波器，可带中心波长自动跟踪，主要应用于海底水声信号的检测的光纤光栅波长解调器。
An automatic tracing centric wavelength demodulation system based on the edge filter which can measure the wavelength of the narrow-band back-reflected spectrum FBG is described.
分析在光栅投影三维形貌测量中，用于对变形光栅像解调的低通滤波器的性能。
In 3-d profilometry based on structured light projection, the choice of low-pass filter to be used in the deformed pattern demodulation is crucial.
利用复解调技术将设计带通滤波器组转化为设计相对简单的低通滤波器组问题，给出了分解与重构的系统流程。
Each required bandpass filter is reduced to two lowpass filters which are relatively simple in design by using complex demodulation. The decomposition and reconstruction architecture are introduecd.
本文设计了一种用于完成QAM数字电视解调芯片中符号及匹配成形功能的奈奎斯特滤波器。
This paper presents a Nyquist filter to perform symbol synchronization and matched filtering in a QAM demodulator for digital television.
详细介绍了用DSP实现2fsk调制解调的算法，并就解调中所应用的数字滤波器做了具体分析。
This paper introduces the realizations of 2fsk modulation and demodulation algorithm with the DSP and discusses the digital filter that is used in the demodulation algorithm in detail.
该解调器由数字混频器、数字频率合成器(DDFS)和低通滤波器构成。
This initial demodulator incorporates a digital mixer, DDFS and low-pass filter.
在软件方面，详细介绍和分析了矢量信号解调分析软件设计与实现，其中包括载频频偏计算、幅度和群时延补偿、脉冲成形滤波器设计等。
It describes clearly the software of vector signal demodulation, including the frequency offset calculation, magnitude and group-delay compensate, and pulse shaping filter.
滑坡监测系统最终选择光纤f - P可调滤波器解调法。
F-P tunable filter demodulation system is choosed by FBG landslide monitoring system.
研究了基于可调谐滤波器(TOF)的带中心波长自动跟踪光纤光栅动态波长解调技术。
A fiber Bragg Grating dynamic interrogation technique based on the tunable optical filter (TOF) was investigated.
分别使用光纤F-P和FBG传感器进行解调实验，实验结果表明：选用的可调珐珀滤波器能够很好的满足系统要求；
Demodulation experiment is done using fiber F-P sensor and FBG sensor respectively, the results are as following: The choosing tunable fiber F-P filter can meet the requirement of system;
本文简单地讨论了调制解调器的单音检测电路的原理，分析了相应的滤波器设计方法，并给出了具体计算结果。
The principle of the tone detection circuit is also studied and a method of designing the filter is given. At last, the coefficient corresponding to the filter is calculated.
本文简单地讨论了调制解调器的单音检测电路的原理，分析了相应的滤波器设计方法，并给出了具体计算结果。
The principle of the tone detection circuit is also studied and a method of designing the filter is given. At last, the coefficient corresponding to the filter is calculated.
应用推荐