Description: 采用Log-BP算法的LDPC码译码仿真程序，给出了不同信噪比下误码率和误包率的统计图，用matlab和C（c-mex）程序分别编写，有详细说明和注释。-The use of Log-BP decoding algorithm for LDPC code simulation program is given a different signal to noise ratio and bit error rate under the packet error rate of the statistical map, using matlab and C (c-mex) procedures, respectively, to prepare, has a detailed description and notes . Platform: |
Size: 77824 |
Author:智钢 |
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Description: 利用LSB算法嵌入隐藏图像，可在广义LSB中设置修改的位平面，返回误码率和峰值信噪比。含各种经典的攻击方式，可用于实验。并可控制攻击的强弱。利用Matlab编写。-LSB embedding algorithm using hidden images, can be generalized to set up modified LSB bit-plane and returned to the bit error rate and peak signal to noise ratio. Containing a variety of classic attack methods can be used for the experiment. Can control the strength of the attack. Prepared using Matlab. Platform: |
Size: 110592 |
Author:张湛 |
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Description: 利用STDM方法嵌入水印信息，可设置量化步长，选择各种经典的攻击方式，控制攻击强弱，返回误码率和峰值信噪比-Stdm method using embedded watermark information, to set the quantization step size, choose a variety of classic attacks, controlling the strength of the attack and returned to the bit error rate and peak signal to noise ratio Platform: |
Size: 56320 |
Author:张湛 |
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Description: 用matlab对M=8的PSK系统进行蒙特卡罗仿真，分析其误码率-Using matlab for M = 8 the PSK system Monte Carlo simulation, to analyze the bit error rate Platform: |
Size: 3072 |
Author:wuyinkui |
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Description: 用MATLAB对单载波频域均衡进行仿真，并绘制出误码率仿真的结果。-Using MATLAB on a single carrier frequency domain equalization simulation, and to map out the bit error rate simulation results. Platform: |
Size: 2048 |
Author:huanglixun |
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Description: 信号在信道进行传输时，经常会出现串扰，采用基于最大似然序列估计（MLSE）的电子色散均衡器的方法，克服光纤通信中的由各种色散引起的码间干扰。
研究基于最大似然序列估计（MLSE）的均衡器，采用维特比算法实现，用matlab仿真出采用MLSE后的性能指标（眼图和误码率）的提升。
-Signal transmission channel often occur crosstalk, based on the maximum likelihood sequence estimation (MLSE) electronic dispersion equalizer of the ways to overcome optical fiber communications in a variety of dispersion caused by the inter-symbol interference. Research based on the maximum likelihood sequence estimation (MLSE) of the equalizer, the Viterbi algorithm, a simulation using matlab after using MLSE performance indicators (eye diagram and bit error rate) of the upgrade. Platform: |
Size: 9216 |
Author:Lee |
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Description: 一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线-A guided night-aided channel estimation methods, using Simulink simulation, surveying BPSK BER performance, drawn-bit signal to noise ratio and bit error rate curve Platform: |
Size: 7168 |
Author:不是王子1984 |
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Description: 采用SIMULINK仿真一个完整的GSM通信系统，有星座图和误码率输出-Using SIMULINK simulation of a complete GSM communications systems, there is the constellation diagram and bit error rate output Platform: |
Size: 13312 |
Author:孙立 |
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Description: 二用户CDMA系统，信道为加性高斯信道，使用BPSK调制，15位M序列扩频，可以正确解扩解调。
输出为2用户的基带信号、扩频信号、PSK调制信号、解调信号的时域和频域特性，给出两个用户分别的误码率。 -Second, the user CDMA system, channel for the additive Gaussian channel, using BPSK modulation, 15 M Sequence Spread Spectrum, you can correct demodulation despreading. Output of 2 user' s baseband signal, spread spectrum signal, PSK signal modulation, demodulation signal time domain and frequency domain characteristics of the two users are given the bit error rate, respectively. Platform: |
Size: 190464 |
Author:哈哈 |
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Description: 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 the bit error rate calculations. Platform: |
Size: 5120 |
Author:马浩飞 |
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Description: 产生长度为1000的标准正太分布的随机信号，画出时域波形及频谱；
采用u=255的非均匀PCM编码，每符号为8bit，画输入-输出关系图；
计算信号量化噪声比（SQNR）；
信道误码率为10-3；
解码，并画出u律反变换后的信号时域波形及频谱。
扩展要求：
采用均匀PCM、量化级数可变、信道误码率可变。
- have a standard length of 1000 is too random signal distribution, draw time-domain waveform and frequency spectrum u = 255 using the non-uniform PCM encoding, each symbol for 8bit, drawing input- output relationship diagram calculated quantization noise signal than (SQNR) channel bit error rate of 10-3 decoder, and law to draw u the signal after the inverse transform time-domain waveform and frequency spectrum. Expansion of the requirements: uniform PCM, quantization level variable, a variable channel bit error rate. Platform: |
Size: 2048 |
Author:louzhu |
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Description: 研究OFDM系统抗干扰技术，采用Matlab仿真环境，评价采用循环前缀(CP)和均衡技术的OFDM系统在多径环境和衰落信道条件下的误比特率、误帧率等性能指标。-Study on anti-jamming technology OFDM system using Matlab simulation environment to evaluate the use of cyclic prefix (CP) technology and balanced OFDM system in multipath fading channel environment and under the condition of bit error rate, frame rate, such as misuse of performance indicators. Platform: |
Size: 6144 |
Author:xiefengbo |
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Description: 利用MATLAB仿真软件对LMS和RLS两种算法进行仿真，通过仿真比较了两种算法的收敛速度，对两种算法收敛后的误码率进行分析，研究了步长对LMS算法均方误差性能曲线的影响和遗忘因子对RLS算法性能曲线的影响。-Using MATLAB simulation software for two types of LMS and RLS algorithm simulation, the simulation compares the convergence rate of two algorithms, two algorithms for bit error rate after convergence analysis to study the step-size LMS algorithm for the mean square error performance curve the impact and forgetting factor RLS algorithm for the impact of performance curve. Platform: |
Size: 1024 |
Author:shu |
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Description: a simple mimo code using 2*2 transmitter and antenna. and measure the bit error rate performance based on the signal to noise ratio Platform: |
Size: 1024 |
Author:Yuqun |
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Description: 一、 本程序采用16QAM调制方式，对一串2进制信源进行调制，采用（7，4）循环码对信源做信道编码，用升余弦滚降函数进行基带调制，再调到高频信道；在信道上加入高斯白噪声，运用匹配滤波器解调，画出解调星座图，运用最小欧氏距离译码判决，再对信号进行信道解码，画出采用信道编码技术和不采用信道编码技术的误比特率图。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated, using (7,4) cyclic code of the source-channel coding to do with a raised cosine roll-off function for base-band modulation, and then transferred to a high frequency channel in the channel by adding Gaussian white noise, the use of matched filter demodulation, demodulation constellation plot, using the minimum Euclidean distance decoding decision, and then right channel signals, decoding, channel coding techniques used to draw and non- channel coding techniques using bit error rate plans. Platform: |
Size: 90112 |
Author:zhaoyang |
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Description: THIS A MATLAB CODES TO SIMULATE 16 QAM
Bit Error Rate for 16-QAM modulation using Gray modulation mapping-THIS IS A MATLAB CODES TO SIMULATE 16 QAM
Bit Error Rate for 16-QAM modulation using Gray modulation mapping
Platform: |
Size: 9216 |
Author:NGABO |
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Search - bit error rate using matlab