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使用matlab编程，比较全面的编写了数字调制的qpsk,ook,fsk,epsk,bpsk,ask过程。,Using matlab programming, more comprehensive preparation of the digital modulation qpsk, ook, fsk, epsk, bpsk, ask the course.
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现有数字信号自动调制识别方法大多只适用于无记忆信号，如PSK、ASK、FSK信号等。将有记忆
信号(MSK信号)和无记忆信号一起考虑，提出了一种改进的数字信号自动识别方法。该方法采用信号的瞬时统
计量作为特征参数，采用多层神经网络作为分类器。计算机仿真表明：当噪声采用高斯白噪声，并且信噪比大于
l5 dB时，识别率高于96％ ；当信噪比不低于l0 dB时，识别率不低于90％。,Existing digital signal automatic modulation recognition
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利用matlab对am，dsb，ssb，ask，fsk，bpsk信号进行正交调制解调仿真，并在不同信噪比条件下对其数字信号进行了误码率的计算。-Using matlab to am, dsb, ssb, ask, fsk, bpsk orthogonal signal modulation and demodulation simulation, and signal to noise ratio in different conditions of its digital signal to
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OOK调制方式，使用matlab simulink数字调制与数字解调-OOK modulation, using matlab simulink digital modulation and digital demodulation
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用matlab对基带数字系统进行仿真。整个系统描述了信号的发送和调制过程。其中调制采用16QAM，并且采用基带传输，不必调制到载频上。系统总采用了高斯信道，在接受端采用解调并与发送型号进行比较得到误码率。-Using matlab to base-band digital system simulation. Describes the overall system signal to send and modulation process. Which modulation using 16Q
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This Simulink model simulates as an example the transmission and reception of random digital data modulated with GMSK. The purpose of this model is to illustrate how part of the GSM transmission and reception works. It also measures the BER, affected
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Implementing quadrature modulation and demodulation of analog signals in digital signal processing, using MATLAB
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a matlab code for 64 QAM digital modulation
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An 8-QAM communications channel simulation in Simulink, constructed from a 16-QAM model and using an I,Q correlation receiver.
QAM (quadrature amplitude modulation) is a method of combining two amplitude-modulated (AM) signals into a single chan
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communication system is expected to increase the service, the quality improvement and also the capacity, using spread spectrum communication system is one of the method to fulfill that demand. This quality and capacity factor will depend on the numb
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运用MATLAB 语言模拟实现了数字信号的ASK、FSK、PSK 调制与频谱分析-Simulation using MATLAB language realization of the digital signal ASK, FSK, PSK modulation and spectral analysis
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设计了差分编码移相键控(2DPSK)调制解调系统的工作流程图,并利用 Matlab 软件对该系统的动态进行了模拟仿真。利用仿真的结果,从基带信号的波形图可以衡量数字信号的传输质量 由系统的输入和输出波形图可以看出,仿真实验良好 。-Design of a differential phase shift keying encoding (2DPSK) modulation and demodulation system working flow chart of the system using
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本文首先对各种通信信号进行了理论分析，在此基础上针对数字调制信号采用了基于决策论方法的调制方式识别算法，并利用MATLAB软件进行了计算机仿真。本文的调制识别算法是基于决策论方法，该方法具有运算量小，识别效果好等优点-Firstly, the various communication signals are analyzed theoretically, on the basis adopted for digital modulation method based on decision t
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matlab的数字信号调制仿真-调制识别程序
本文首先对各种通信信号进行了理论分析， 在此基础上针对数字
调制信号采用了基于决策论方法的调制方式识别算法， 并利用
MATLAB 软件进行了计算机仿真。本文的调制识别算法是基于决策论
方法， 该方法具有运算量小， 识别效果好等优点。-matlab simulation of digital signal modulation- modulation recognition procedure in this article a
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用matlab实现数字频率调制解调方案，包括滤波，噪声-Digital frequency modulation and demodulation using matlab program, including filtering, noise
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Orthogonal frequency division multiplexing (OFDM) is becoming the chosen
modulation technique for wireless communications. OFDM can provide large data
rates with sufficient robustness to radio channel impairments. Many research centers
in the w
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M-ary continuous phase frequency shift keying modulation and demodulation using matlab
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介绍了数字通信中的QPSK调制解调的原理，通过用Matlab编写脚本程序对QPSK通信系统的发射和接收过程的具体实现进行模拟仿真，绘出信号在理想信道和加噪信道中模拟传输时的时域图，并对各模块进行了频谱分析，所得到的结果与
理论基本相符，对于理解QPSK系统的性能并在系统的实际应用上作进一步的设计，提供了有效的参考依据。
-The introduction was done with the principle of the QPSK modulation and demodulation
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对一个2PSK数字通信系统运用MATLAB编程实现2PSK调制解调过程，输出调制解调后的相应波形，讨论其调制和解调效果，并用相关优化函数优化系统性能。-The modulation and demodulation of a 2PSK digital communication system is realized by using MATLAB programming. The corresponding waveforms of the output modulation and demod
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The digital simulation system using MATLAB to illustrate the
Quadrature Amplitude Modulation (QAM). QAM is a modulation scheme to convey two digital bit
streams which can be converted to symbol signals by modulating the amplitudes and the phase of
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