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DSSS.rar
- 一个四用户的扩频通信系统，扩频增益为N=16，采用Walsh码进行直接序列扩频，BPSK调制，无线信道为AWGN(加性高斯白噪声信道)信道(AWGN信道：不考虑通信信道信号时，由宽频范围描述的统计随机无线噪声。)。在接收端进行解扩，解调，判决，通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。,A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct
QPSK
- QPSK调制的误码率与信噪比关系图，理论值与实际值的对比。-QPSK modulation the BER and SNR diagram
qpsk
- 设定噪声为高斯白噪声，对2PSK调制解调的误码率进行统计，并与理论值进行比较，以图形方式表示误码率与信噪比间的关系。 -Set the noise is Gaussian white noise on the BER 2PSK modem statistics, and compared with the theoretical value, a graphical representation of the bit error rate and SNR relationships.
simsnr
- Effect of white noise on a COFDM transmission This simulations looks at the effect of varying the SNR on the BER. The SNR is varied from 0 to 20dB, while the BER is tested by passing 96000 data words through the link and measuring the number
psk
- 信源产生、信道编码、调制、信道传输、解调、信道译码、差错比较等通信过程的Simulink仿真方法。分析几种调制方式（2FSK、2PSK、QPSK、16PSK、16QAM）在不同信噪比下的通信质量。-Generated source, channel coding, modulation, channel transmission, demodulation, channel decoding, error comparison of the communication process of th
qpsk
- qpsk 信噪比仿真画图 信噪比范围0-11db-qpsk SNR simulation drawing
2
- AWGN 信道下QPSK 信号SNR分析的C程序实现-QPSK signal in the AWGN channel SNR analysis of C program
snr_estimate_M2M4_QPSK
- 采用M2M4信噪比估计算法对QPSK调制解调器的接收端信噪比进行了估计-M2M4 SNR estimation algorithm on the the QPSK modem receiving end signal-to-noise ratio estimated
qpsk_ber
- 瑞利信道的仿真程序qpsk还有ber，snr仿真图形-Qpsk Rayleigh channel simulation program there ber, snr simulation graphics
consellation
- 在：1）理想无噪生条件，2）SNR=10dB，3）SNR=20dB，4）两径衰落信 道{0, 0}、{-6dB，-10symbol}条件下，分别产生 1000 个符号的 QPSK、8PSK、 16QAM 星座点， 画出信号序列的星座图， 提交电子版信号产生、 加噪、 显示的*.m 程序和电子版 WORD 报告。 报告要求给出原理描述、 框图和分析说明输出结果。-In: 1) an ideal noiseless Health conditions, 2) SNR = 10dB, 3)
THE3
- a Matlab code that produces a plot of probability of bit error rate for QPSK versus SNR for three receive antennas, and three different combining methods: MRC, equal gain combining, and selection combining. The plot is generated by using Monte Carlo
ofdm802.11a
- 简化的OFDM系统仿真，其中暂未考虑扰码和卷积码，物理层参数采用802.11a参数，1个长训练符号与6个OFDM数据符号构成1帧，信道为单径rayleigh衰落信道，其中最大多普勒频移为100Hz，信噪比0-30dB，调制方式为QPSK和16-QAM。-Simplified OFDM system simulation, which yet consider scrambling and convolution codes, physical layer parameters using 802
BPSK-QPSK
- 分别编写BPSK与QPSK调制解调系统的Matlab仿真程序，要求：发送滤波器与接收滤波器均为根升余弦滚降滤波器；信道噪声为加性高斯白噪声 绘制BPSK与QPSK调制下的误码率与信噪比曲线图，并与理论曲线比较对比-They were written BPSK and QPSK modulation and demodulation system Matlab simulation program requirements: a transmission filter and a recept
BPSK.QAM.QPSK.DPSK
- 各种数字调制解调方法的MATLAB实现，输出为信噪比图像。包括BPSK,DPSK,QAM,QPSK(包括有无格雷编码的对比)-A variety of digital modulation and demodulation MATLAB implementation of the method, the output SNR images. Including BPSK, DPSK, QAM, QPSK (including comparative Have Gray coding)
QPSKsystem
- 通信系统仿真，调用通信工具箱，QPSK调制，解调，加噪声，观察误码率与信噪比的关系。十分完整-Communication system simulation, communications toolbox calls, QPSK modulation, demodulation, plus noise, observe the relationship between BER and SNR. Very complete
QPSK
- ber vs snr plot of QPSK using matlab simulator
qpsk
- QPSK MODULATION SNR-BER
beranddistance
- 对OOK、BPSK、QPSK、16QAM、64QAM在水下信道传输的性能分析，作出信噪比-距离曲线。(The performance of OOK, BPSK, QPSK, 16QAM and 64QAM in underwater channel transmission is analyzed, and the SNR distance curve is made.)