The design and implementation of modulation, difference demodulation, bit and packet synchronization of burst GMSK IF signal is emphasized. 重点研究了突发GMSK中频信号的调制、差分解调、位同步和帧同步的设计方法及实现过程。
The structure of band-pass RAKE receiver and the model of demodulation are depicted. 我们给出带通犁耙式接收机模型及解调结构。
Research of GMSK Signals Demodulation Technology with Wavelet Transformation and Viterbi Algorithm 小波变换和Viterbi算法用于GMSK信号解调技术研究
This algorithm can achieve the best demodulation because the likelihood ratio of information is used adequately. 由于该算法充分利用了软译码得到的似然比信息,因此可以实现最优信号检测。
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。
The Influence of Quadrature Demodulation Errors on Broadband Beamforming 正交解调误差对宽带波束形成的影响
It mainly consists of DSC, zero-crossing detection circuit, signal modulation circuit and signal demodulation circuit. 对工频通信系统构成,以及信号调制和信号解调原理进行了介绍。
The Hardware System Design Based on DSP FPGA and the Study on Modulation Demodulation Technology of OFDM 基于DSP和FPGA的OFDM系统硬件设计与调制解调技术研究
A new research of FBG sensing signal demodulation technique 一种新的FBG传感信号解调技术研究
Iterative demodulation and decoding based on high frequency satellite communications 基于高频段卫星通信的迭代解调和解码
A modulation and demodulation device. 一种调制解调设备。
This paper deal with the DPSK demodulation method based on the adaptive algorithm. 本文研究了一种基于自适应算法的解调差分相移键控(DPSK)信号的方法。
A Parallel Demodulation Method for High-rate QPSK Signal 一种用于高速率QPSK信号的并行解调方法
In digital phase modulation system, there always exists carrier phase-ambiguity in the process of coherent demodulation. 在数字相位调制系统的相干解调过程中,普遍存在着载波相位模糊问题。
Symbol timing recovery in super high speed demodulation for QPSK signals 超高速数字解调中QPSK信号的符号同步研究
A transfusion speed monitor system is designed based on infrared technology with modulation and demodulation. 设计了一种利用红外光的脉宽调制信号来采集输液信息的医用微量输液装置。
Affects of sidelobes of FBG on multiplexing demodulation and suppression methods for sidelobes FBG旁瓣对复用解调的影响及旁瓣抑制方法
The sensor is based on F-P interferometer and phase demodulation method. 该传感器基于F-P干涉原理和相位解调理论测量压力。
Timing Recovery of MQAM Signal Demodulation in EDSL Transmission System EDSL传输系统中MQAM信号解调的定时恢复
By using moving one period sine wave model, the precise demodulation of FM signal wave is achieved. 在此基础上讨论实现正弦载波的调频信号的精确解调问题。
Design and Implementation of FM Demodulation and Bit Synchronizer System Based on FPGA 基于FPGA的FM解调/位同步系统设计与实现
The Implementation of RF Signal Demodulation in Baseband and Spectrum Analysis Based on Software Radio 基于软件无线电的基带解调和频谱分析系统的实现
Introduction of the MSK modulation and demodulation simulation program, joined the IF carrier, the statistical performance of the system. 介绍了MSK调制解调仿真程序,加入了中频载波,统计了系统的性能。
FPGA-based single-sideband modulation and demodulation system 基于FPGA的单边带调制解调系统
Pilot beacon devices are available in the frequency shift and demodulation modes. 在频移和解调模式下,飞行导向设备是有效(可实现)的。
Modulation and demodulation of MSK signals based on FPGA/ DDS Technology 基于FPGA/DDS技术的MSK信号调制与解调
Finally, some problems in the demodulation system and its improvement approach are discussed. 本文最后讨论了光纤传感器调制解调系统存在的问题和改进方法。
The XPM technique is applied to the demodulation system for fiber grating sensor. 将XPM技术首次应用于光纤光栅传感器解调系统。
Optic fiber grating sensor demodulation using over coupled coupler experiment is carried on and good response is obtained. 利用该过耦合器组成的检测系统对光纤光栅传感器进行解调,得到了较好的响应。
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。