搜索资源列表
UWB_channel_sim
- IEEEuwb仿真UWB信道冲击相应；rmsds仿真UWB信道的均方根时延扩展；PDP仿真UWB信道的功率延迟剖面 rakeselector仿真RAKE接收机的路径选择 PPMcorrmask_P仿真RAKE接收机的相关模板信号-IEEEuwb simulation UWB channel corresponding impact; rmsds simulation of UWB Channel rms delay expansion; PDP simulation UWB channel po
CDMA_path_sim
- 该函数仿真CDMA系统的信道，在输入所需用户序列和其他干扰用户序列后在信号上叠加高斯白噪声，干扰用户多径干扰和所需用户的多径干扰和衰落。并根据输入延时曲线产生信道延时，输出mul_fad_sequence为信道信号输出，max_delay为信道最大延迟，fade_sign为瑞利信道中最大幅度分量的衰落量 mpath_amp为信道多径的幅度因子-the CDMA system simulation function of the channel, required users to import
allpass5
- 计算全通滤波器的源程序,根据信道群延迟,计算滤波器系数,用以校正信号相位变化-calculation of the all-pass filter source files, according to the channel group delay, filter coefficients calculated, for the correction signal phase changes
uwb_Figure
- This guide in matlab that get cm1-cm9 channel model and plot 7 figure such as power delay profile,excess delay, etc. -This is guide in matlab that get cm1-cm9 channel model and plot 7 figure such as power delay profile,excess delay, etc.
crosscorr
- 此程序用来进行信道延迟，和序列互相关的。-This procedure used for channel delay, and the sequence of inter-related.
ofdm-siso
- 正交频分复用是一种多载波宽带数字调制技术。相比一般的数字通信系统， 它具有频带利用率高和抗多径干扰能力强等优点，因而适合于高速率的无线通信系统。- OFDM Simulator -------------------------------------------------------------------------------- MIMO OFDM Simulator: OFDM.m: OFDM Simulator (out
phasedelayestimated
- 本例程是针对不同通道之间采集的声音信号之间波形的相位时延差进行估计，-The routine is different between the acquisition of voice-channel signal delay between the waveform of the phase difference estimate,
ZF_MMSE_LMS_SATO_CMA
- 1.原始信号A，通过信道受噪声污染后的信号q，然后分别经过均衡器ZF（MMSE）得到信号U，可以画出U的分布图 2.分别应用LMS,SATO,CMA算法得到U。（其中包括最佳延迟、均方误差的计算）所有结果均以图像形式显示。-1. The original signal A, subject to noise pollution through the channel after the signal q, and then through the equalizer, respectively
channel
- FIR model to use for the multipath delay. e.g. Multi=[1 0 0 0 0.5], has the direct signal at time 0, and a single reflection of 50 strength of the direct signal at a delay of 4 samples. MISC: 1. Over-Sampling: This sets the am
Codes
- The main code is called "comparison of equalization schemes". It uses functions, defined seperately to compute the bit error rate for different typs of equalizers. That means times domain equalizer (TDE) with minimum mean square (MMSE) and zero
IEEE_UWB_recommend_matlab-simulation
- 该压缩包包括两个m文件，一个为IEEE推荐的UWB信道模型的matlab仿真程序，另一个为对应的RMS时延扩展计算，并附带了一个文档文件作说明。-The archive includes two m files, one for the IEEE UWB channel model recommended by the matlab simulation program, and the other for the corresponding calculation of RMS delay s
ADifferentiallyCoherentDelay-LockedLoopforSpread-S
- 详细讲述了直接序列扩频差分锁相环的文章，包含具体的算法结构，并附有仿真结果。-A novel differentially coherent delay-locked loop(DCDLL) for accurate code tracking is proposed for direct sequence spread spectrum systems. Due to the use of the differential decoder and exactly one correlato
Rayleigh_ofdm
- carrier_count= 200 bits_per_symbol = 2 symbols_per_carrier = 50 loop=10 num=5 循环次数 10 子载波数 200 位数/ 符号 2 符号数/ 载波 50 训练符号数 5 循环前缀长度 T/4 调制方式 QAM 多径信道数 2（缺省） 信道最大时延 5 (单位数据符号) 仿真条件 收发之间严格同步 一个OFDM系统
MIMO-OFDM-Simulator
- 多输入多输出正交分频多工模拟器。 正交分频多工:OFDM模拟器(外层函数) create_channel:产生一个瑞利衰落信道复用,解的天线配置、正交分频多工结构、power-delay档案。 svd_decompose_channel:既然全网络知识是假设,在并行传输奇异值模式。这个函数分解这些频道模式。 BitLoad:适用bit-loading算法来实现预期的钻头和能量 -MIMO OFDM
2400pointdelay
- 瑞利信道下的多普勒时延的简单仿真。matlab源码。有图。-Simple simulation of the Rayleigh channel, the Doppler delay. matlab source code. There are Fig.
myshift
- 在瑞利信道下的，时延估计算法，进行的简单仿真，可执行，有图。-Under the Rayleigh channel, the delay estimation algorithm for a simple simulation, executable, Fig.
estimating-delay-time
- here we will estimate delay time added to the channel and we will plot the error
Tomographic_compute
- 利用层析算法，通过输入井间地震收发距，道间距，来计算延迟时和地下介质层状速度模型，并绘制图形。-Use of chromatography algorithm, distance by entering crosswell seismic transceiver, channel spacing, to calculate the delay and underground medium layered velocity model and draw graphics.
xindao-
- 衰落是由于发射机与接收机之间空间位置的微小变化引起的，描述小范围内接收信号场强中瞬时值的快速变化特性，是由多径传播和多普勒频移两者共同作用的结果，包括由多径效应引起的衰落和信道时变性引起的衰落，具有信号的多径时延扩展特性和信道的时变特性-Fading is caused due to a slight change of the position of the space between the transmitter and the receiver, the characteristics
channel-modeling
- 基于MATLAB的信道建模仿真，多条信道有时间延迟，多普勒效应-Modeling and simulation MATLAB-based channel, multiple channels have time delay, Doppler effect