搜索资源列表
HF.rar
- 这是Half rate speech(GSM 06.20)
gsm-hr-C
- GSM中半速率语音编解码源码,说得还不清楚吗,20字,20字,20字,受不了-GSM half rate speech codec source, also not clear what is right, 20 words, 20 words, 20 words, can not stand
TCHFS GSM channel simulation
- For the simulation of a GSM transmission channel it was decided to use an information channel TCH (Traffic Channel) with high speed (Full Speed). This type of channel allows a rate of 13 Kbps. In order to create the model of TCH channel for GSM the
dc_2.rar
- 采用SIMULINK仿真一个完整的GSM通信系统,有星座图和误码率输出,Using SIMULINK simulation of a complete GSM communications systems, there is the constellation diagram and bit error rate output
test_VB.rar
- GSM模块测试小程序。自动换通讯波特率测试串口,读SIM卡测试,信号强度测试。,GSM module test applet. Automatically for the serial communication baud rate test, reading test SIM card, the signal strength test.
GSM-AT-OK
- 这是一个关于单片机于GSM模块握手通信的,发送其它AT指令相同,波特率96-This is a study on single-chip module in the GSM communication handshake, send the same as other AT commands, baud rate 96
traces
- this a matlab file channel rate who is maked by me.this is used in gsm,gprs,edge traffic simulation.-this is a matlab file channel rate who is maked by me.this is used in gsm,gprs,edge traffic simulation.
GSM06.60
- GSM标准全速率语音编码标准,是学习改语音压缩标准的权威文档-Standard GSM full-rate speech coding standards
HF
- 这是Half rate speech(GSM 06.20)- This is Half rate speech (GSM 06.20)
GSM06.53
- 对GSM全速率语音编码代码的详细说明,对于理解代码非常重要-Of the GSM full-rate speech coding a detailed explanation of the code, the code is very important for understanding
en_300726v080001p
- ETSI EN 300 726 Digital cellular telecommunications systems (Phase 2+) Enhanced Full Rate (EFR) speech transcoding (GSM 06.60)-ETSI EN 300 726 Digital cellular telecommunications systems (Phase 2+) Enhanced Full Rate (EFR) speech transcoding
GSM-FS-Simulation-of-channel-coding
- 本次设计是对GSM TCH/FS信道进行编码设计及性能仿真,仿真通信系统包括内外编码器、交织重排器、加性/突发和混合干扰信道、去交织反重排器、内外译码器,模拟了信息从信源到信宿的全过程; 在高斯噪声、突发干扰或混合信道及瑞利信道下测试每个步骤对误码率和系统性能的影响,通过数字及图形的比较,得出通信系统中各个模块的作用。另外,在GSM TCH/FS 的基础上建立GSM TCH/EFS 信道,对相应的信道环境进行仿真,得出误码率分析。-This design is the GSM TCH/FS ch
GSMbiaozhunchuanshuluyuyinbianmabiaozhun
- GSM标准全速率语音编码标准,学习改语音压缩标准的文档。-GSM standard full rate speech coding standard, learning to change voice compression standards document.
GSM_fs
- GSM全速率信道一级和二级信息比特在AWGN、突发差错信道和AWGN、Rayleigh信道和AWGN的误比特率-GSM full rate channel one and two bits of information in the AWGN, burst error channel and AWGN, Rayleigh and AWGN channel bit error rate
GSM_EFR
- 这是GSM的增强型全速率编码,使用说明见Readme-This is the programe of GSM enhance full rate,please see the document of Readme
GSM-voice-cipher
- 一种基于GSM的低码率语音信息隐秘传输方法。 本文描述了一种可将一路低码率2.4kb/s混合激励线性预测(MELP)编码语音信息,隐藏在另一路13kb/s的GSM编码语音中,通过公共信道隐秘传输的方法。文中给出了一种新的数据嵌入方法,该方法以一个单位增广矩阵为基础,可在(2L+1)比特可修改信息中嵌入2L比特数据信息,而最多只需修改£比特宿主信息,有较高的数据嵌入率,算法计算复杂度较低,较易于硬件实现,且对宿主信息的影响也较少。-GSM-based low bit rate voice co
gsm-1.0-pl13
- gsm语音编解码,多种压缩速率支持,C语言实现-gsm voice codecs, support for multiple compression rate, C language
GSM-SPEECH-CODER
- 一些有关GSM语音编码的资料,对于GSM语音编码的研究有一定的参考价值-about GSM speech coder GSM Full rate,speech coder
adsp-2191_viterbi_decoder
- 本目录包含ADSP-2191单核例程,实现半速率软判决GSM Viterbi译码器。(This directory contains an example ADSP-2191 single-core subroutine that implements a soft decision half-rate, soft-decision, GSM Viterbi decoder.)
113、程序
- 113、基于51单片机老人生理智能监控GSM短信 本设计由STC89C52单片机电路+火焰传感器电路+加速度传感器+心率传感器电路+SIM800A_GSM模块电路+电源电路组成。 该系统实时监测老人是否跌倒,是否周围有火以及心率情况。 1、如果火焰传感器检测到火焰,则GSM向特定手机发送:Fire! 2、如果ADXL345检测到老人跌倒了,则GSM向特定手机发送:Fall! 3、如果心率传感器检测到老人心率高于120,则GSM向特定手机发送:High Heart! 4、注意本设计一次上电上述情况