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Q_DSSS
直扩码分多址DS-CDMA是利用高速的WALSH正交码序列作为地址码，与多用户信息数据相乘得到信息数据的直接扩频信号，再经过BPSK调制后发送出去，经过AWGN无线信道的传输后，在接收端与本地产生的地址码进行相关检测，从中将地址码与本地码一致的用户数据选出，把不一致的用户数据删除。(DS-CDMA DS-CDMA is the use of high-speed WALSH orthogonal code sequences as address code, with multi-user information data has been multiplied by the direct spread spectrum data information signal, and then after a BPSK modulated sent through AWGN channel after transmission, at the receiving end with the locally generated address code associated Detect, which will address code with local codes consistent user data elected to delete user data inconsistencies.)
- 2009-03-02 14:01:22下载
- 积分：1
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61549816REXOSReference
高通，rex，OS，很好的文档~~~！！！(Qualcomm, rex, OS, a very good document ~ ~ ~)
- 2009-07-09 19:45:52下载
- 积分：1
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DSMP_Provision_API_HP11_20040303
卓望短信网关.+cmpp3.0协议.MISC系统短信SP接入培训.(ASPire SMS gateway.+ Cmpp3.0 agreement. MISC SMS SP system, access to training.)
- 2009-11-13 08:58:18下载
- 积分：1
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Bluetooth.Essentials.for.Programmers.Sep.2007
关于蓝牙编程技术，有这方面需要的，提供给大家参考(Programming on the Bluetooth technology to provide for your reference)
- 2010-08-30 15:01:51下载
- 积分：1
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rayleighnew
瑞利衰落信道，是一种无线电信号传播环境的统计模型。这种模型假设信号通过无线信道之后，其信号幅度是随机的，即“衰落”，并且其包络服从瑞利分布。这一信道模型能够描述由电离层和对流层反射的短波信道，以及建筑物密集的城市环境。(Rayleigh fading channels, the statistical model of a radio signal propagation environment. This model assumes that after the signal through the radio channel, the signal amplitude is random, ie, the " fading" and the envelope of the Rayleigh distribution. This channel model is able to describe the HF channel reflected by the ionosphere and troposphere, as well as building a dense urban environment.)
- 2012-12-02 14:39:21下载
- 积分：1
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woow1
HHT变换的核心是EMD,在此项过程中通过EMD的编程和HHT的编程来实现了希尔伯特黄变换,可以看出处理此方法用来处理非线(The core of HHT transform is that EMD, realizes Hilbert Huang transform through EMD programming and HHT programming in this process. It can be seen that this method is used to deal with non-linear.)
- 2019-03-26 13:01:14下载
- 积分：1
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GNLSE官方
说明： 求解广义非线性薛定谔方程的频移方程
与分步傅里叶法不同，解决了非线性系数随波长变化的问题(Solving the frequency shift equation of GNLSE)
- 2021-04-21 13:28:49下载
- 积分：1
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DecaRangeRTLS ARM
UWB室内定位相关资料，内部包含研创物联精准室内定位代码(UWB Indoor Positioning Information, which contains the Accurate Indoor Positioning Code of Inventory Federation)
- 2020-06-29 21:00:02下载
- 积分：1
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oddChannelize
数字信道化器的模拟程序，当输入信道个数为奇数时，子信道的提取过程模拟(Digital channel of device simulation program, when the input channel number is an odd number, the channel of the extraction process simulation)
- 2008-04-14 15:07:16下载
- 积分：1
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wirelesscommunication
信道估计，有mmse 和ls估计，并有解释(Channel estimation, there are MMSE and LS estimates, and there are explanations)
- 2020-07-28 21:38:40下载
- 积分：1
