Realization of MSK modulated signals' digital demodulation.
MSK调制信号的数字化解调的实现。
All-digital demodulation is a hotspot in the applied area of digital communication.
全数字解调是当前数字传输领域的应用热点。
The technique is based on digital demodulation of generalised non-linear carrier fringe pattern.
该技术基于广义非线性载波条纹的数字解调。
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。
This paper introduces a multipurpose digital demodulation method based on SDR, which is one kind of non-coherent demodulation types.
针对跳频通信系统,提出一种非相干的,高频带利用率的调制方案。
These results may be used in the digital separation, digital demodulation and digital transformation of colour composite video, signals.
所得结果可用于彩色全电视信号的数字分离、解调和数字传送。
This paper reports a digital demodulation scheme for interrogating fiber Bragg grating (FBG) sensors based on a real-time calibration technique.
报道了一种采用实时校准技术的数字化光纤光栅传感解调方案。
In the design of RF receiver of the digital MRI spectrometer console, a digital demodulation and filtering algorithm is presented in this thesis.
针对数字化MRI谱仪中射频接收器,提出了一种磁共振信号的数字解调和滤波的设计方案。
A simple digital demodulation method is proposed for the DPSK-PM modulated signals, which are commonly used in the satellite USB (Unified S-band) tracking telemetry and command system.
针对卫星usb测控系统中常用的DPSK - PM调制技术,设计了一种简单的数字解调方法。
Research the digital quadrature demodulation.
数字解调技术及其实现。
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。
The Digital Phase Lock Loop(DPLL)is the core of the coherent demodulation.
数字锁相环路(DPLL)是数字相干解调技术的核心。
Combining to devise radio telemetry receiver, the application of digital down converter and frequency demodulation in software radio is discussed and analysed.
结合无线电遥测接收机的设计,论述和分析了软件无线电技术中的数字下变频和调频数字解调技术在遥测接收机中的应用。
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。
The time field analysis module contains the timely wave return, digital filter, axis center track analyzing, demodulation analyzing, trend analyzing, mutual analyzing.
时域分析包括时域波形回放、数字滤波、轴心轨迹分析、解调分析、趋势分析、相关分析。
This paper presents the implement of the all-digital symbol timing recovery using the DTTL Algorithm over 8psk demodulation system.
本文阐述了DTTL全数字符号定时恢复算法在8psk解调系统中的实现。
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。
Comparing to analog IQ demodulation, the advantage and application future of digital IQ demodulation are described in this paper.
对比模拟复解调,说明数字复解调的优越性以及它们的应用和发展前景。
By introducing the principle of digital IQ demodulation, we realizes a digital IQ demodulation system with the special large scale integration chip.
在阐述数字复解调原理的基础上实现了一个基于专用芯片的数字复解调测试系统。
Demodulation techniques on digital communication signals, such as MASK, MFSK and MPSK signals, is discussed in this paper.
本文主要研究了数字通信信号MASK,MFSK,MPSK信号的解调技术,重点研究了盲信号处理中通信信号的软件解调。
For the conventional modulation and demodulation of Minimum Frequency Shift Keying (MSK), the new models for modu - lation and demodulation on digital MSK based on VHDL are developed.
针对传统的最小频移键控(MSK)的调制解调方式,提出一种基于甚高速硬件描述语言(VHDL)的数字式MSK调制解调模型。
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;
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.
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。
As a result, the analog demodulation system in satellite must be taken place by the digital system.
验证了星上解词系统由模拟走向数字的必然性。
In the demodulation process of some digital open-loop algorithms, some special phase points will confuse with each other and cause an error output value.
目前已经提出的一些数字开环解调算法在运算过程中时常会出现某些特殊相位点互相混淆的问题,这会导致系统输出错误的解调结果。
This paper achieved national standard terrestrial digital television program reception, demodulation, decoding, playing and other processes.
本文主要实现了国标地面数字电视广播节目的接收、解调、解码、播放等过程。
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。
The design of direct digital frequency synthesizer(DDFS)in the way of local carrier demodulation is mainly introduced.
文章重点讨论了本地载波解调中的直接数字频率合成器(DDFS)模块的设计。
A new method for digital identification and demodulation of MPSK signals is presented under the condition of the Doppler frequency shift of channel attenuation.
针对衰落信道中广泛存在的多普勒频移现象,本文提出了一种MPSK信号数字化识别解调的方法。
A new method for digital identification and demodulation of MPSK signals is presented under the condition of the Doppler frequency shift of channel attenuation.
针对衰落信道中广泛存在的多普勒频移现象,本文提出了一种MPSK信号数字化识别解调的方法。
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