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Send message code, has to verify the steps to send one: Download javacomm20
短信发送代码，已经验证可以发送
步骤一：下载javacomm20-win32.zip
步骤二：com4端口上接上GSM猫，或者改变源代码
OK-Send message code, has to verify the steps to send one: Download javacomm20-win32.zip Step 2: com4 port connected to GSM cats, or changing the source code OK
- 2022-12-06 22:40:03下载
- 积分：1
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OFDM无线信道估计程序
OFDM无线信道估计程序，有导频的插入，信号的发生，LS，LMMS！串并转换，QPSK调,训练信号的加入，信道模拟，信道接收
- 2022-05-14 09:49:16下载
- 积分：1
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三菱FX通讯程序
三菱FX通讯程序- Mitsubishi FX communication procedure
- 2022-10-31 00:40:03下载
- 积分：1
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扩频通信。第一本书
扩频通信.第一本有关扩频系统的专著是R.C.Dixon于1976年出版，是一本IEEE专利，1977年出版。1978年在日本京都召开国际无线通信咨询委员会公布研究成果。1982年在美国召开第一次军事通信会议，两次报告在军事中的应用。1985年美国提出CDMA(码分多址)的概念同年美国联邦通信委员会(FCC)制定扩频通信的标准和规范，逐步转入民用的商业化研究-Spread Spectrum Communication. The first book on spread-spectrum systems is RCDixon monograph published in 1976, is an IEEE patent, published in 1977. In 1978 in Kyoto, Japan, an international wireless communications Advisory Committee published research results. 1982 in the United States held its first military communications conference, two reports in the military applications. The United States in 1985 proposed CDMA (Code Division Multiple Access) the concept of the same year the United States Federal Communications Commission (FCC) the development of spread spectrum communication standards and norms, and gradually transferred to the commercialization of civilian research
- 2022-02-13 11:34:58下载
- 积分：1
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本文档详细地介绍了如何编译osip协议。根据该文档的描述，可以很轻易地编译OSIP协议栈。...
本文档详细地介绍了如何编译osip协议。根据该文档的描述，可以很轻易地编译OSIP协议栈。-this document in detail about how to build osip agreement. According to the document, in the description could easily compile OSIP protocol stack.
- 2022-02-01 12:22:57下载
- 积分：1
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中国移动MMS规范，主要描述了中国移动彩信平台的结构概述，相信您读完对，整个彩信体系会有一定的了解...
中国移动MMS规范，主要描述了中国移动彩信平台的结构概述，相信您读完对，整个彩信体系会有一定的了解-China Mobile MMS norms, the main description of China Mobile MMS platform structure outlined, I believe you read right, MMS system as a whole will have a better understanding
- 2022-07-01 22:37:56下载
- 积分：1
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微软亚洲研究院论文：无线网络音频广播的省能量速率分配机制
微软亚洲研究院论文：无线网络音频广播的省能量速率分配机制-Microsoft Asia Research Institute Papers : wireless network audio broadcast of the provincial energy distribution rate mechanism
- 2023-04-06 01:05:03下载
- 积分：1
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在三条径的瑞利信道中，对于直接序列扩频
可自行转换为代码
解决的问题：
(1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线，请解释在误码率为0.01时，两种合并方式所表现的不同的物理意义。
(2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真(自己编写代码S-Function方式)，分析所设计方案的时间同步精度，画出比特信噪比与捕获概率的关系曲线。 请点击左侧文件开始预览 ！预览只提供20%的代码片段，完整代码需下载后查看 加载中 侵权举报
- 2022-08-21 00:08:48下载
- 积分：1
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WCDMA是Matlab的Simulink仿真。WCDMA TDD for the Study of one型有朋友……
WCDMA的一个matlab simulink仿真。对于研究WCDMA TDD一类的朋友有帮助！-WCDMA a matlab simulink simulation. WCDMA TDD for the study of one type of a friend has to help!
- 2023-01-22 02:00:04下载
- 积分：1
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In this simulink model , QPSK modulation and demodulation is simulated .A square...
In this simulink model , QPSK modulation and demodulation is simulated .A square root raised cosine pulse shaped signal is modulated and given as input to the demodulator.The received signal
is demodulated and given to the detector where it is matched filtered and down-sampled .The effects of symbol timing offset can be seen by varying the phase of down-sampling operation.The signal transmitted is recovered at the detector output.-In this simulink model , QPSK modulation and demodulation is simulated .A square root raised cosine pulse shaped signal is modulated and given as input to the demodulator.The received signal
is demodulated and given to the detector where it is matched filtered and down-sampled .The effects of symbol timing offset can be seen by varying the phase of down-sampling operation.The signal transmitted is recovered at the detector output.
- 2022-02-25 09:38:35下载
- 积分：1
