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code
- 卷积码的编码译码，最小汉明举例判决，代码比较容易理解-Coding and decoding convolutional codes, the minimum sentence for example Hamming code easier to understand
Cognitive-Radio-Networks
- 谱感知是认知无线网络中的一个重要功能,是实现其他功能的基础。研究了新型的基于特征值的感知算法,充分利用随机矩阵的渐近谱分布特性和特征值的收敛特性来设置判决门限,提高感知性能。理论分析和仿真结果均表明,新型算法性能明显优于典型的能量检测算法,克服了能量检测算法的噪声不确定性问题-Spectrum Sensing is an important function in the cognitive radio networks.A new eigenvalue-based detection sche
2
- 对约束长度为9的viterbi硬判决进行测试-On the constraint length viterbi hard decision for the 9 test
LT_sim
- LT码的软判决BP译码，仿真证明代码是有效的，和大家一起分享下-soft decoding of LT codes
OFDM_DETECTION
- OFDM检测的仿真，通过计算OFDM的归一化4阶累积量，实现OFDM信号的判决，内含升余弦滚降滤波或内插滤波的频谱图-OFDM simulation test, by calculating the normalized OFDM 4th order cumulant, to achieve decision OFDM signal, containing Raised Cosine filter or interpolation filter of the spectrum
ConvolutionalPViterbi
- 卷积编码和维特比软判决译码，可以应用到OFDM系统中-Convolutional coding and Viterbi soft decision decoding can be applied to OFDM systems
decode
- 卷积码（2,1，7）viteb译码代码 ，采用软判决。-Convolutional code (2,1,7) viteb decoding the code, the use of soft decision.
DS_EV_Function
- DS-EV证据理论消除了当不同证据冲突过大时，判决的错误型。自己论文里所用的代码，用在认知无线电中。函数文件。-DS-EV evidence theory eliminate the wrong judgement when supplied evidence have strong contradictory This file has been used in my thesis in CR field. hope it can help you.
cdma-matlab
- 对CDMA通信系统进行matlab仿真，包括Viterbi编码（卷积编码），交织，扩频，调制，解调，抽样判决，解偏置,码型转换，解交织等源代码，给出了误码率曲线。-Matlab on the CDMA communication system simulation, including the Viterbi coding (convolutional coding), interleaving, spreading, modulation, demodulation, sampling dec
viterbi-decoder
- 维特比译码的软判决及硬判决的实现。还描述了软硬判决的区别-Soft decision Viterbi decoding and hard decision implementation. It also describes the difference between soft and hard decision
DSSS
- 提出一种全新的基于自适应能量判决门限的小波包变换抑制直接扩通信系统中窄带干扰的方法.-combine WPT and AET to wipe off jam,enact the threshold of every frequency area based on the power of DS signal
bpsk_and_or_most
- matlab环境下不同的融合判决算法在不同SNR环境下的性能-matlab environment, the integration of different decision algorithms performance under different SNR
orrule_under_different_SNR
- matlab环境下对使用or规则的融合判决算法的性能仿真-matlab environment, regulations on the use or performance of the fusion decision algorithm simulation
Digital-baseband-system
- 数字基带系统将数字信号从时域上看时数字滚降，需要画出滚降前后的波形展示出来。频域上带宽变化了。输入滤波器之前的波形与采样判决之后的波形。采样判决前的频谱。 采样判决后的码型。 2、眼图（采样判决之前的眼图）（信噪比大眼图清晰） 3、误码曲线，（横坐标时信噪比，纵坐标时误码率） 4、Arfa变化对误码特性的影响，变好还是变差(变好)，眼图清晰度变化（清晰），传递函数的带宽的变化。（带宽越大）-1.Digital baseband system point of view the d
qiangdaqi
- 多路抢答器 VHDL语言设计 抢答器是各类竞赛常用的仪器设备之一，它能快速、准确地判决并显示出第一抢答者。本文作者采用MAXPLUSII 软件和MAX7000S芯片，提出了一种四路抢答器的设计方案。该方案具有判断准确、硬件电路简单、容易实现等优点。 关键字：抢答器 竞争 RS触发器 EDA -Multiple Responder Responder VHDL language design competition of various kinds of equipment used, i
rm13_awgn
- 纠错码的艺术，RM(1,3)码的仿真程序, 应用了软判决译码算法-Simulation of RM(1,3), equivalent to the (8,4,4) extended Hamming code. Soft decision decoding performed by the Green machine simulation program of RM code
final_gardner
- qpsk完整解调，包括载波同步，位同步采用迟早门，载波同步采用判决反馈-qpsk complete demodulation, including the carrier synchronization, bit synchronization using the door sooner or later, the use of decision feedback carrier synchronization
Speakerrecognitionbased-on-MFCC
- 这是一篇工学硕士论文，主要说关于说话人语音识别，，以支持向量机为分类器，分别以MFCC和IM-FCC为特征单独执行分类，将得到结果按某种方式融合，取两者之长，最后做出判决来提高说话人识别系统的性能。-Speaker recognition is a kind of technology that take the use of the information contained in the speech signal to identify who is the speaker or to
Untitled
- 卷积码编码与译码，维特比译码软判决，matlab汇编语言-Convolutional coding and decoding, soft decision Viterbi decoding, matlab assembly language
analysis
- 用matlab实现对语音信号的短时分析，包括清音和浊音的判决，基音周期的估计，实验报告。-use matlab language analysis the speech signal,contains the analysis for unvoiced sound and voiecd sound.