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ofdm_fh
- 采用正交频分复用（OFDM）调制的跳频系统仿真模块，利用Simulink工具箱搭建。可更改跳频跳速,跳频频率数，载波频率，跳频间隔，FFT运算长度,循环前缀位数等相关参数。信道采用瑞利多径衰落信道和高斯信道，相关参数也可更改。希望有一定的参考价值，也希望站长开通我的下载功能，ID：gly201,非常感谢！-A simulation on Hopping Frequency communication system based on the OFDM technique.
R1-091695
- Phase noise resulting in Common Phase Error (CPE) and Inter-Carrier Interference (ICI) is a critical challenge to the implementation of OFDM systems. Modeling phase noise as a stationary Gaussian random process with the specified power spectr
R1-091775
- Phase noise resulting in Common Phase Error (CPE) and Inter-Carrier Interference (ICI) is a critical challenge to the implementation of OFDM systems. Modeling phase noise as a stationary Gaussian random process with the specified power spectr
R1-092264
- Phase noise resulting in Common Phase Error (CPE) and Inter-Carrier Interference (ICI) is a critical challenge to the implementation of OFDM systems. Modeling phase noise as a stationary Gaussian random process with the specified power spectr
BackGround_Noise_Cancellation
- The two-step noise reduction (TSNR) technique removes the annoying reverberation effect while maintaining the benefits of the decision-directed approach. However, classic short-time noise reduction techniques, including TSNR, introduce harmonic disto
soft_and_hard_decision_on_viterbi_decoder
- With using noisy data and created data, soft and hard decision are made by viterbi decoder
adaptive_all_in_one
- 自适应滤波器方面的10个例子，共包括 自适应滤波，盲均衡，解相关型LMS算法，TRAINING MODE and DECISION DIRECTED MODE，噪声消除，自适应滤波器设计等内容-Adaptive filter in 10 cases, and it includes adaptive filtering, blind equalization, decorrelation-based LMS algorithm, TRAINING MODE and DECISION DIRE
noise_reduction_technique
- duction techniques proposed in the art are expressed as a spectral gain depending on the a priori SNR. In the well-known decision- directed approach, the a priori SNR depends on the speech spec- trum estimation in the previous frame. As a conse
lee_vad
- 一个基于MMSE噪声后验概率估计的话音激活检测算法.-A voice activity detector with MMSE a posteriori noise estimation and Decision-Directed SNR estimation
speech_enhancement_simulations
- 几种增强算法的总结，MATLAB代码，算法包括有：谱减法，MMSE-LOGSTSA ,MMSE-ST-DFT ,decision-Directed method,multi-band 谱减法等-A summary of several enhancement algorithm, MATLAB code, the algorithm include: spectral subtraction, MMSE-LOGSTSA, MMSE-ST-DFT, decision-Directed method
computingBERConvolutionalCod3
- scr ipt for computing BER with Binary Convolutional Code and Viterbi decoding. Convolutional code of Rate-1/2, Generator polynomial - [7,5] octal Hard decision and soft decison decoding is used. -scr ipt for computing BER with Binary Convolu
simcoded
- FUNCTION: Simulated Soft-Decision Decoding Bit Error Rate of Hamming-Coded Coherent Binary PSK
CDMA_SD
- technique d accès multiple CDMA (Code Division Multiple Access)avec une technique SD (Soft Decision)
Equalization_Tutorial
- Adaptive equalization教程-Adaptive equalizers compensate for signal distortion attributed to intersymbol interference (ISI), which is caused by multipath within time-dispersive channels. Typically employed in high-speed communication
pllddold
- 判决导向的载波恢复算法，在PAM调制方式下实现。-Decision directed carrier recovery algorithms to achieve in the PAM modulation.
WienerScalart96.m.tar
- Wiener filter based on tracking a priori SNR usingDecision-Directed method, proposed by Scalart et al 96. In this method it is assumed that SNRpost=SNRprior +1. based on this the Wiener Filter can be adapted to a model like Ephraims m
cmasdd
- low complexity concurrent constant modulus algorithm and decision directed scheme
Channel-estimation
- 基于信道编码直接判决解调算法的ofdm信道估计-In connection with coded decision directed demodulation channel estimal method for coherent demodulation of ofdm
CMA
- 一种新的基于数据可靠性判决引导的CMA盲均衡算法，该算法在计算量增加不多的前提下，能同时获得较快的收敛速度和较小的稳态误 差，特别适用于MQAM数字通信系统，且实现起来简单-A new decision-directed based on the data reliability of the CMA blind equalization algorithm, which increased more than in the calculation of the premise, it co
Adaptive-Decision-Directed-Quantized-State-Algori
- addaptive decision directed quantize algorithm