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2400 bps MELP语音编解码器浮点算法
- 2400 bps MELP语音编解码器浮点算法,一种高压缩比的另类语音压缩算法,可以供学习和开发借鉴使用-MELP 2400 bps voice codecs floating-point algorithm, a high compression ratio of alternative voice compression algorithm, for learning and development from the use of
clipping_ccdf
- 降低ofdm系统峰均功率比的clipping算法。-lower peak to average power ratio of clipping algorithm.
rs.bm
- 一个用c编的RS编码的程序,采用BERLEKAMP-MASSEY S 算法,输入m,以及信噪比,可得到生成多项式和误码率等。-with a series of RS coding procedures, using BERLEKAMP - MASSEY S algorithm input m, and the signal-to-noise ratio. available generating polynomial and the error rate.
H_264
- H1264 视频压缩标准凭借高压缩比和较好的图像质量,己经作为一种新型的标准被广泛接受。由于H1264 的 解码复杂度很高,软件实现难以满足实时性的要求,所以需要采用硬件解码。本文提出了一种针对H1264 视频编码标准的 可变长指数哥伦布码解码的硬件设计结构,给出了一种系统解码时间消耗与系统资源占用较少的硬件设计方案,最后给出 了设计最终的仿真以及后端设计的结果。-H1264 video compression standard with a high compression rat
SNR_vs
- 实现对数压缩PCM和线性PCM的信噪比特性曲线的仿真,非均匀量化级数为n=8和n=6。-realization of a number of PCM compressed and linear PCM signal-to-noise ratio of the characteristic curve simulation, non-uniform quantization Series n = 8 and n = 6.
HniqueForPAPRReductionOfCodedOFDMSignal
- 改进的SLM算法,用于降低OFDM系统的峰值平均功率比-Improved algorithms for OFDM system to reduce the peak-to-average power ratio
单极性归零波形的功率谱,占空比为0.5
- 单极性归零波形的功率谱,占空比为0.5-Unipolar zeroing wave power spectrum, the ratio is 0.5
BERSNR.rar
- BPSK中计算误码率BER与信噪比SNR的关系的,BPSK bit error rate BER is calculated with the relationship between signal to noise ratio SNR
MIMO_OFDM
- 在No Diversity (1Tx, 1Rx)、Alamouti (2Tx, 1Rx)、与Maximal-Ratio Combining (1Tx, 2Rx)三种不同情形下的mimo仿真程序及误码率比较情况-In No Diversity (1Tx, 1Rx), Alamouti (2Tx, 1Rx), and Maximal-Ratio Combining (1Tx, 2Rx) three different cases of MIMO simulation program and the
cdma
- 这是一个完整的无线通信系统中物理层的仿真程序,通过扩频技术(直接序列扩频)让信号通过高斯,瑞利等信道进行信噪比分析,得出结论-This is a complete wireless communication systems in the physical layer of the simulation program, through the spread-spectrum techniques (Direct Sequence Spread Spectrum) to signal throu
Shannon-TheoryComm
- THE recent development of various methods of modulation such as PCM and PPM which exchange bandwidth for signal-to-noise ratio has intensified the interest in a general theory of communication. A basis for such a theory is contained in the import
MCDSCDMASYSTEM
- In 揚erformance of multi-carrier DS CDMA Systems?we apply a multi-carrier signaling technique to a direct-sequence CDMA system, where a data sequence multiplied by a spreading sequence modulates multiple carriers, rather than a single carrier. The rec
mimo
- MIMO系统信道估计算法研究 针对LS算法的分析结论所进行的仿真,将根据分析结果,对信噪比的取值、训练序列的长度以及最优训练的选取,分别进行仿真实验。-MIMO systems channel estimation algorithm for the LS algorithm for the analysis of the conclusions of the simulation, the results of the analysis will be based on the signa
IdentifySignal
- matlab编写的常见调制模式(am,fm,bpsk,qpsk,mask,16qam等)自动识别动态链接库,可以直接被vc调用,信噪比为>=10dB,-matlab write common modulation (am, fm, bpsk, qpsk, mask, 16qam, etc.) automatically identify dynamic link library, you can directly vc called signal to noise ratio> =
space_coding_MRC
- space coding with maxima ratio combining.
lab2_21
- this code used to illustrate the different problems in delta modulation technique also variable slope delta modulation also the bit error rate versus signal to noise ratio for ook and prk
comparisonof3combining
- 最大比合并功能实现,简单代码,容易看懂,MATLAB源代码-Functions to achieve the maximum ratio combining, simple code, easy to understand
8psk
- (1) 分析QPSK调制、解调原理,并画出其系统框图; (2) 产生等概率且相互独立的二进制序列,作为待传输的信号,并画出其波形; (3) 进行8PSK调制,分别画出I、Q两支路信号经过乘法器后的波形以及8PSK调制波形; (4) 产生均值为0,方差为1的加性高斯随机噪声,画出其时域波形及频谱; (5) 将加性高斯随机噪声作为传输信道的干扰,画出接收端信号的时域图; (6) 进行8PSK解调,输出解码序列,画出解调后信号波形; (7) 计算系统信噪比、传输误码率。-(1)
quzao
- 仿照着《小波去噪中软硬阈值的一种改良折衷法》一文写的程序,对比了软、硬以及软硬阈值折衷法的信噪比及均方根误差。仿真出来之后,原信号的信噪比是负的,不知道为什么?均方根误差的值也比较大,不知何解?信噪比和均方根误差是参照《基于matlab的小波去噪仿真》:吴伟,《信息与电子工程》 一文写的-Modeled on the written procedures of the hard and soft threshold wavelet de-noising an improved compromis
PEAK-TO-AVERAGE-POWER-RATIO-(PAPR)-REDUCTION-IN-O
- PEAK TO AVERAGE POWER RATIO (PAPR) REDUCTION IN OFDM BASED RADIO SYSTEMS