论文设计了移动大气激光通信系统中的光信号调制解调的实现方案。
Optical modulation and demodulation implementation scheme in mobile atmospheric laser communication system are designed.
根据快速傅里叶变换(FFT)和数字信号调制解调的特点,给出了一种盲信道质量估计算法。
On the basis of the features of the Fast Fourier Transform (FFT) and digitally modulated signals, this paper proposes a blind channel estimation algorithm.
对3dps K信号调制解调进行了研究,提出了一种用VHDL语言设计实现3dps K调制解调器的方案。
A new approach to implement the 3dpsk signal modulation and demodulation system based on VHDL is presented.
该模块解决了对差分信号“调制”、“解调”问题,实现了数据和电源在同轴电缆上的同步传输。
It solves the problem of modulate and demodulation of differential signal and achieve data and power signal communication in coaxial-cable.
接收端的计算机的调制解调器将模拟语音信号解调还原为计算机能理解的数字形式。
The modem of the receiving computer demodulates the analog sound signal back into a digital form that the computer can understand.
本文针对有载波偏移的零中频bps K调制信号提出了一种软件解调系统。
The paper presented a software demodulating system of BPSK zero-IF signal containing carrier offset.
本文主要介绍4dps K信号的调制与解调。
This paper chiefly introduces 4dpsk signals' modulation and demodulation.
调制解调器是在模拟和数字信号之间进行转换的设备。
A modem is a device that converts between analog and digital signals.
在解调型应答机中,解调的基带信号和伴随的噪声一起再调制和转发。
In demodulation type transponder the demodulated baseband signal accompanied by noise is used for further modulation and retransmission.
有线遥控是通过专用电缆或动力线作为载波体,对信号用调制解调器传输方式,达到只用少量通道即可实现控制的方法。
Wired remote control is a dedicated cable or power line as a carrier, the signal with modem transmission mode, to achieve a small number of channels can be used to control the method.
MSK调制信号的数字化解调的实现。
接着详细地介绍了北斗卫星的信号体制,对其调制解调方式作了深入地研究,对电文格式作了说明。
After that, the article introduces the signal system as well as modulation and demodulation of Beidou satellite, next, explain the telegram form elaborately.
接着介绍了遥控遥测常用的数字调制信号的软件调制解调的数学模型和实现方法。
Then, the paper introduces the math module and achieving method of software modulation and demodulation of common digital modulating signals used in telecontrol & telemetry system.
ST7536实现系统与电力线的接口,完成数字信号的调制与解调;
The interface circuit of ST7536 and power line finishes the modulation and demodulation of digital signal.
调制解调器是实现模拟信号和数字信号互相转变的设备,通过它用户的电脑才可连接因特网。
Modem enables the mutual conversion of analog signals and digital signals. Dial up connection is impossible without medom.
本文研究的方法是通过VC编程实现用声卡对信号的调制解调。
The research method is using VC programming to realize the modulation and demodulation of the signal by audio-card.
提出了一种用于时分多址突发通信系统中的IJF - OQPS K调制信号解调方法。
A demodulation approach of IJF-OQPSK signal for the burst communication system is presented in this paper.
多调制源、多载波信号的循环自相关解调分析存在交叉项的干扰,这使循环自相关解调方法的实际应用产生了困难。
The cross-term interference caused by multi-modulator and multi-carrier makes it difficult the use of the cyclic autocorrelation demodulation.
将光衰减器用作解调系统的光调制器,解决了解调系统光信号的调制问题。
The optical attenuation is used as optical modulator of demodulation system, which solves the problem of optical modulation.
本文首先介绍了ALE协议的基本内容,分析了ALE系统的结构和设计思路,然后对8cpfsk信号的调制解调技术、差错控制技术进行了理论研究。
Firstly, ALE system's base content is introduced, then an analysis of ALE system's structure and design is put forward, and then 8cpfsk modulation theory and error control technique are discussed.
为了完成数据的处理和交换,分别设计了时钟产生电路、100%调制信号和10%调制信号的解调电路。
In order to accomplish the data process and conversion, the clock generation circuit, 100% modulation signal and 10% signal demodulation circuit are designed.
该系统主要采用小灵通基带芯片ML7338(ARM7TDMI核)和RDA5206射频模块,实现对射频信号的解调,同时对基带信号重新编码再调制发射,很好地解决了普通直放站射频干扰问题。
The ML7338(ARM7TDMI core) and RF module RDA5206 are used to demodulate RF signals, recode, remodulate and transmit baseband signals, thus solving the RF interference problem in traditional stations.
数字与模拟信号的调制解调是通信系统的核心。
The modem of analog and digital signal is the center of communication system.
通过使用一个周期的正弦波曲线模型的滑动拟合法,实现了正弦载波相位调制信号波形的精确解调。
By using moving one period sine wave model, the precise demodulation of PM signal wave is achieved.
文章介绍生物医学信号遥测系统的关键问题,即如何实现信号的调制、解调及抗干扰的一些措施。
On this paper, we introduce the key problem of the remote biomedical detection system, which is how to realize the modulation and demodulation of the signal and the anti-jamming measures.
一种对信号进行调制与解调的功能部件,调制解调器的功能之一就是使数字数据经由模拟传输设施进行传送。
A functional unit that modulates and demodulates signals. One of the functions of a modem is to enable digital data to be transmitted over analog transmission facilities.
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。
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.
研究了采用调制与解调方法实现多路现场信号实时传输的关键技术,设计了相应的调制与解调电路,解决了多路现场信号实时传输过程中存在的问题。
Based on the theory of modulation and demodulation, a key technique to realize the real-time transmission of multi-path local signals has been studied, as well as according to circuit.
研究了采用调制与解调方法实现多路现场信号实时传输的关键技术,设计了相应的调制与解调电路,解决了多路现场信号实时传输过程中存在的问题。
Based on the theory of modulation and demodulation, a key technique to realize the real-time transmission of multi-path local signals has been studied, as well as according to circuit.
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