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安捷仑的数字调制信号发生器E4438
- 安捷仑的数字调制信号发生器E4438用于很多通信系统的开发过程中。本代码可以用于通过网络接口或GPIB接口向E4438下载被调制数据-Ansett in 2000 digital modulation signal generator E4438 used in many communications systems development process. The code can be used by the network interface or E4438 GPIB interface
QPSK
- QPSK调制仿真程序,使用I和Q两路产生调制信号,适用于初学者。-QPSK modulation simulation program, the use of I and Q modulated signals generated two for beginners.
fsk
- 对FSK调制信号进行解调的代码,希望对大家有用-FSK modulation signal to the demodulation of code, in the hope that useful
BPSKhuatu
- 调制信号的识别,可以通过各种调制的功率谱不同来识别,但这种方法在小信噪比下,性能不好,通过循环功率谱来识别,仿真表明在小信噪比下有很好的性能-Identification of modulated signals can be modulated through a variety of different power spectrum to identify, but this method under low SNR, the performance is not good, through
moulation_classification
- 主要是实现调制识别,区分几种常用的数字调制信号。含有两个文件夹 其一为特征参数的仿真;其二为正确识别率的仿真。-Mainly to achieve modulation recognition, distinction of several commonly used digital modulation signals. One folder contains two characteristic parameters for the simulation second simulation
调制识别
- 提供了一个调制信号发射程序,以及误码率分析程序,(Provides a modulation signal emission procedures, and bit error rate analysis procedures,)
AMshiyan3
- 基于MATLAB,am信号的调制-解调-滤波 分别加入小噪声信号和大噪声信号进行频谱分析(Based on MATLAB, the modulation demodulation filtering of AM signal is added to small signal and large noise signal for frequency spectrum analysis)
完整的QPSK-MSK-QAM-OFDM调制解调m程序
- 完整的QPSK-MSK-QAM-OFDM调制解调m程序(Complete QPSK-MSK-QAM-OFDM modulation and demodulation m program)
analog_AM_passband
- 具有带通的AM调制信号的仿真程序,可改自行改参数进行调整(analog amplitude modulation with passband x is source signal)
SM_ML
- 空间调制信号检测算法的基本程序,可以改变天线数和调职阶数,仿真了系统的误码率性能曲线(The basic program of the space modulation signal detection algorithm can change the number of antennas and the order of operation, and simulate the BER performance curve of the system.)
ook调制仿真
- 用MATLAB实现ook调制方式的信号误码率仿真(Simulation of signal error rate of ook modulation using MATLAB)
psk调制仿真
- 用MATLAB编程实现psk调制信号的误码率仿真(Simulation of PSK modulation signal bit error rate using MATLAB programming)
16-QAM调制系统的FPGA实现
- 16-QAM调制系统的FPGA实现 正交幅度调制(QAM)由于具有很高的频谱利用率被DVB-C等标准选做主要的调制技术。与多进制PSK(MPSK)调制不 同,OAM调制采取幅度与相位相结合的方式,因而可以更充分地利用信号平面,从而在具有高频谱利用效率的同时可以获得比MPSK更低的误码率。(FPGA implementation of 16-QAM modulation system)
谱修正与CPM
- 通过伪随机序列进行频率调制,并对相位连续性进行优化。调制信号的自相关函数可以通过谱修正进行旁瓣抑制(Frequency modulation is performed by pseudo-random sequence and phase continuity is optimized. The autocorrelation function of modulation signals can be sidelobe suppressed by spectral correction)
门限确定(C60高阶累积量)2
- 调制信号的高阶累积量仿真,包括16qam,32qam,BPSK,QPSK,4ASK(Simulation of higher order cumulants of modulation signals, including 16QAM, 32qam, BPSK, QPSK, 4ASK)
LFM_BC
- 一种基于LFM和Barker码复合调制的雷达波形,理论上分析了该低截获雷达波形的组成。通过仿真得到复合调制信号的时域波形、频谱图和模糊函数图,与LFM信号和Barker码信号对比分析对复合调制雷达信号的距离和多普勒模糊函数、截获因子等进行了研究。(A radar waveform based on LFM and Barker code modulation is presented. The composition of the waveform is analyzed theoretical
AM
- 用MATLAB产生一个频率为1Hz,功率为1的余弦信源,载波频率为10Hz,显示信号的波形及包络,求出调制信号的功率谱密度,以及相干解调后的信号波形(A cosine source with 1 Hz frequency and 1 power is generated by using MATLAB. The carrier frequency is 10 Hz. The waveform and envelope of the signal are displayed. The power
8PSK调制解调
- 运用matlab实现8PSK信号的调制与解调(relization of modulation and demodulation of 8PSK signal by Matlab)
high_cumulation_2
- 实现高阶累积量算法,并通过该算法实现BPSK\QPSK\8PSK\16QAM四种调制模式(Four modulation modes of BPSK QPSK PSK QAM are realized by using the high order cumulant algorithm.)
SSB
- SSB 调制信号,代码含有调制信号波形和功率谱密度波形(SSB modulated signal, code containing modulated signal waveform and power spectral density waveform)