搜索资源列表
channel&noise
- 高斯信道和噪声产生方法的简单程序，直接解压无密码-Gaussian noise channels and formation of simple procedures, without directly extracting passwords
uwbBPSKANDPPM
- 基于UWB通信的BPSK调制误码率分析和经PPM调制的UWB信号经高斯白噪声信道的系统仿真-based UWB BPSK modulation BER analysis and by the PPM UWB modulation signal white Gaussian Channel Noise Simulation
MATLAB-PISM
- 这是显示通信系统中两路信道内噪声相关系数大小，如何确定，受什么参数影响的函数表达-communication system both within the channel noise correlation coefficient size, how to identify, affected by the parameters of function expression
tcm11111
- 格状编码调制是为解决卫星通信中信道噪声对接收的影响及带宽的限制而产生的，其将信道编码与调制很好的结合起来，并且能发挥各自的优点，这种方法在不增加带宽和相同的信息速率下可获得3~6dB的功率增益。-trellis coded modulation for satellite communications solutions Channel noise on the receiver bandwidth and the impact of the restrictions, it will chan
channel
- ofdm信道特性 Channel transmission simulator Channel transmission simulator ％ ％ inputs: ％ sig2 - noise variance ％ Mt - number of Tx antennas ％ Mr - number of Rx antennas ％ x - vector of complex input symbols (for MIMO, this is a matrix, wh
Advanced.Signal.Processing.and.Noise.Reduction.2nd
- Signal processing theory plays an increasingly central role in the development of modern telecommunication and information processing systems, and has a wide range of applications in multimedia technology, audio-visual signal processing, cellular mob
NLMSspeechenhancement.rar
- 双通道语音增强算法，消除环境噪声。采用归一化自适应方法，噪声抵消10dB，语音保持较好可懂度。,Dual-channel speech enhancement algorithm, to eliminate environmental noise. The use of normalized adaptive methods, noise cancellation 10dB, to maintain good voice intelligibility.
stbc.rar
- 设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线,Design a specific guide-assisted channel estimation method, using Simulink simulation, measurement BPSK modulation BER performance. Draw-bit signal to noise ratio
ML.rar
- 该算法是经典的信噪比估计算法——最大似然估计算法，利用接收信道的先验概率密度函数，ML法能够很好的估计信号的信噪比,The algorithm is a classic signal to noise ratio estimation algorithm- maximum likelihood estimation algorithm, using the a priori receiver channel probability density function, ML method can
Verilog_code_for_AWGN.rar
- verilog实现awgn信道噪声的代码，支持可变的信噪比。利用移位寄存器来实现伪随机序列。,verilog code for implementation of awgn channel noise. support variable snr. use LSFR to implement the pseudo random sequence.
my_QPSKmod_201107
- QPSK调制解调仿真 从基带信号产生——IQ映射——调制——信道加噪——解调——判决及反映射——接收信号输出，每个步骤都画出了图形。 -QPSK modulation and demodulation of the simulationFrom the baseband signal generation-- IQ mapping------ channel noise modulation demodulation-- judgment and reflected-- to recei
noise
- A hardware Gaussian noise generator for channel code evaluation和A Gaussian noise generator for hardware-based simulations两篇关于高斯白噪声产生及信道估计的经典论文-A hardware Gaussian noise generator for channel code evaluation and A Gaussian noise generator for hardware
Channel_noise_estimating_method_and_appa.pdf.tar.g
- introduction to channel noise estimation, it is very important doc for application to LDPC
noise
- This matlab file is used to generate noise signal which is added to the transmitted signal in an AWGN channel. Based on the SNR value the power of the noise is determined.
Speech_Enhancement_Using_Sub-band_Spectral_Analysi
- 提出一种有效的语音增强算法，该算法使用重叠相加FF-r滤波器进行谱幅度估计，给出噪声估计的两个均值参数，此参数适用于任何噪声．而且进行噪声估计无需检测语音间隙，无需VAD的运算过程，克服了单信道噪声 压缩算法的缺点．-An effective speech enhancement algorithm using the overlap-add FF-r filter in spectral amplitude estimation, given the noise mean estimate
JDCHE_and_JDPP_for_TD_SCDMA
- TD-SCDMA系统联合检测中的信道估计、信道估计后处理、信道估计串行干扰消除后处理算法的源代码。其中，信道估计采用频域快速FFT法以减少运算量；后处理采用激活窗检测法，只保留激活用户的多径信息，其余置0，以达到降低干扰及噪声的目的；串行干扰消除可以消除多小区信道估计的干扰，以得到本小区的纯净信道估计结果。-TD-SCDMA system, joint detection of channel estimation, channel estimation and post-processing,
OFDM
- OFDM下行的仿真1、产生要传输随机数； 2、进行调制； 3、串并转换； 4、进行IFFT操作（代码中有用到共轭对称向量的IFFT为实数进行简化计算）； 5、增加循环前缀； 6、并串转换； 7、输出前滤波； 8、增加信道噪声（加性高斯白噪声）； 9、接收端串并转换； 10、去除循环前缀； 11、进行FFT变换； 12、信号解调； 13、误比特率计算； -OFDM downlink simulation 1, have t
estimation-of-channel-noise
- channel noise estimation for different modulators DQPSK, QAM in simulink
channel-noise
- randn函数产生高斯白噪声信道，明显说明了randn函数的用法。-randn function generates white Gaussian noise channel, clearly illustrates the use randn function.
Rice-fading-channel
- 莱斯衰落信道的MATLAB程序，关于信道噪声分析的，有图像-Rice fading channel MATLAB program, on the channel noise analysis, there are images