搜索资源列表
dtmf
- 本程序用于检测音频文件中是否具有DTMF信号,若有则将其检出。 程序首先使用Goertzel算法求出以FRAMESIZE(默认200)为大小的一帧数据在8个DTMF频点上的能量。 对Goertzel算法的改进,对于系数的计算不是采用2*cos[2*pi*k/N],而是采用2*cos[2*pi*fn/fs],这样能够降低误差。 确定了8个频点的能量后运用一系列判决门限来确定有没有DTMF信号,以及信号是什么。 -This procedure used to detect wh
CCITT_ADPCM
- The files in this directory comprise ANSI-C language reference implementations of the CCITT (International Telegraph and Telephone Consultative Committee) G.711, G.721 and G.723 voice compressions. They have been tested on Sun SPARCstations and
Code
- 此程式是Alamouti code的编码方式,目的是增加通讯系统的传输效率以及减少错误率。-This program is the Alamouti code encoding, aimed at increasing the transmission efficiency of communication systems and reduce the error rate.
CC1100
- CC1100是一种低成本真正单片的UHF收发 器,为低功耗无线应用而设计。电路主要设 定为在315、433、868和915MHz的ISM(工 业,科学和医学)和SRD(短距离设备)频 率波段,也可以容易地设置为 300-348 MHz、400-464 MHz和800-928 MHz的其他 频率。 RF 收发器集成了一个高度可配置的调制解 调器。这个调制解调器支持不同的调制格 式,其数据传输率可达 500kbps。通过开启 集成在调制解调器上的前
ImChat-v1.54
- 局域网音视频聊天 1.54 视频版 更新说明 *** 1.新增房间视频选项 2.新增视频私聊功能 3.完善部分用户资料,新增所在地和个性签名字段 4.优化了部分程序逻辑 5.修复后台清空所有消息后,前台不能显示信息的错误 6.修复后台用户管理始终有一人保持在线的错误 7.修复了后台房间编辑时默认状态为禁用的错误-LAN audio and video chat 1.54 video update*** 1. New room video option 2. N
Bandwidth-Selection-for-Nonparametric-Distributio
- The mean-square efficiency of cumulative distribution function estimation can be improved through kernel smoothing. We propose a plug-in bandwidth rule, which minimizes an estimate of the asymptotic mean integrated squared error.
karam
- This program is used for simulation signal mean square error of the Kalman filter
onlyaspv.mdl
- system of pv control for basic with error
onlyaspv
- system of pv control for basic with error
gmsk-msk-error-rate-comparison
- 比较了gmsk和msk的误码率,能在MATLAB2008b上实现,前提是搭建好基本的仿真模块-Gmsk and bit error rate compared msk, and can achieve the MATLAB2008b, the basic premise is to build a good simulation module
HARQ
- HARQ程序,其中包括CRC检错、前向纠错、反馈重传等-HARQ process, including the CRC error detection, forward error correction, feedback, retransmission, etc.
FSK-Err
- 获得FSK解调信号的误差值,FSK信号分成了I Q两条支路-Obtain the FSK demodulation signal error values, FSK signal into two I Q branch
LPC-based-speech-signal-processing
- 本程序利用MATLAB对信号进行分析和处理,主要就是进行语音线性预测通过使实际语音抽样值与线性预测抽样值的均方误差达到最小,可以确定唯一的一组线性预测系数。-This procedure using MATLAB for signal analysis and processing, mainly for voice linear prediction by the actual voice sampling error of the mean square value and the mini
LDPC
- LDPC编码,对信源进行LDPC,使信源适合在信道中传输,增加纠错的能力- LDPC encoding, the source LDPC, the source suitable for transmission in the channel to increase the ability of error correction
MPSK Moduation and Matched filter detection
- plot bit error rate for MPSK Modulation in AWGN Channel and use Matched filter detection in receiver
