dlldemo

于 2011-09-21 发布文件大小:2897KB

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asd
航空航天通信技术一般采用模拟通信的频率调制和数字通信的移相键控调制方法。这有利于充分应用信道带宽和能源。频率调制是在一定程度上改变载波或副载波的频率来传输信息的调制方法。移相键控调制是利用载波或副载波的相位跳变来传输信息的调制方法。移相键控又分二相移相键控、四相移相键控和多相移相键控，其中以四相移相键控和八相移相键控调制方法的效率较高(Aerospace communications technology commonly used analog communication of frequency modulation and the digital communication phase shift keying modulation method. This is helpful for making full use of channel bandwidth and energy. Frequency modulation is changed to some extent carrier or subcarrier frequency to transmit information modulation method. Phase shift keying modulation is the use of carrier or subcarrier phase jump to transmit information modulation method. Phase shift keying and binary phase shift keying, four phase shift keying and multiple phase shift keying, of which four phase shift keying and eight phase shift keying modulation method of high efficiency )

2011-07-13 11:21:08下载

积分：1
Consensus-and-Cooperation-
分布式一致性协议，很适合刚接触一致性的新手(The consistency of distributed agreement, it is very suitable for new to novices)

2021-03-10 15:39:26下载

积分：1
OFDM_memoryPolynomialPA
Simulation 16QAM-OFDM with mmeory Polynomial PA (Simulation 16QAM-OFDM with mmeory Polynomial PA)

2013-07-03 09:33:18下载

积分：1
QPSK-with-raised-cosine
完整的qpsk通信系统，包括发送端，接收端，在不同的信道模型下的仿真：awgn，rayleigh。包括各种眼图，星座图，基带波形，载波波形。(Complete the qpsk communication system, including the sender, the receiver in a different channel model Simulation: awgn, and Rayleigh. Including a variety of eye diagram, constellation, waveform baseband carrier waveform.)

2012-04-17 05:31:05下载

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hart-protocol
The HART Application Guide has been created by the HART Communication Foundation (HCF) to provide users of HART products with the information necessary to obtain the full benefits of HART digital instrumentation. The HART communication protocol is an open standard owned by the more than 100 member companies in the HCF. Products that use the HART protocol to provide both analog 4–20 mA and digital signals provide flexibility not available with any other communication technology.

2013-03-08 14:46:24下载

积分：1
Dynamic_Subchannel_and_Bit_Allocation_in_multiuse
Dynamic Subchannel and Bit Allocation in multiuser mimo-ofdma systems.

2010-01-26 16:41:46下载

积分：1
Ultrahigh-Speed-OTDM-Transmission
文章涉及OTDM系统的实现，对研究此方向的同学有一定帮助(OTDM systems involved in the realization of the article, students in this direction of research will definitely help)

2011-05-09 15:23:46下载

积分：1
yidongtongxin
移动通信学习课件，非常详细，适合初学者，参考价值很高！1(Mobile learning courseware, very detailed, suitable for beginners, very useful! 1)

2010-05-15 09:55:23下载

积分：1
2_TDOA
利用Matlab实现的二维TDOA定位算法仿真程序。。(2D TDOA algorithm implemented by Matlab simulation program. .)

2021-04-14 13:08:55下载

积分：1
VC_UP_BallKey
说明：说明：此为球形开关测试程序的上位机软件。能够记录由下位机上传的每支球形开关的通断情况，自动记录上传的时间，并且会将历次的结果保存在PC机的硬盘中，带有具体的日期，方便查询。(Note : This spherical switch to the testing procedures PC software. To record the next crew uploaded each spherical switch-off, automatically records upload time, and will keep all the previous results of the PC's hard disk, with the specific date, and easily accessible.)

2006-04-06 13:20:48下载

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