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基于DFT的MIMO-OFDM系统的信道估计算法研究代码
说明: MIMO系统仿真 MIMO技术可W极大地提升系统吞吐量和有效抵抗多径衰落的影响,被视作LTE的核也技术之一。信号检测模块又是MIMO系统中非常重要的一步,因为接收端收到的信号是经历了无线信道衰落影响的信号,与发送端发送的初始值之间差距较大,因此,在接收端首先应进行信道估计求出信道矩阵H,然后根据该信道矩阵的信息,从接收端还原出发送信号。因此,在MIMO系统中信号检测直接彰响着系统系能的提升。本章将先介绍高移动性MIMO无线信道的建模方法(simulation of MIMO-OFDM communication system)
- 2021-04-11 19:58:57下载
- 积分:1
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fuzzycontrol-
开关磁阻电机模糊PI控制的程序,用以控制12、8的电机。(Switched Reluctance Motor fuzzy PI control procedures to control 12,8 motors.)
- 2020-07-01 03:40:02下载
- 积分:1
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TCP、IP
题目1 FTP客户端与服务器端设计
题目2 邮件服务系统设计
题目3 HTTP通信系统设计(Title 1 FTP client and server-side design
Title 2 mail service system design
Title 3 HTTP communication system design)
- 2009-04-30 08:25:36下载
- 积分:1
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FrequencyHoppingTechnology
在无线通信中使用跳频技术是军事通信中最主要的抗干扰手段之一, 而如果系统中能使用合适的中心频率可以快速跟踪跳频变化的带通滤波器将可以明显改善系统的抗干扰性能。文中从实际应用出发, 比较了几种可用于实现带通滤波器快速变频的方案, 选择了简单、实用的开关电容阵改变带通滤波器中心频率的方案(The use of frequency hopping in wireless communication technology is the most important anti-jamming in military communications, one of the means, and if the system can use the appropriate center frequency can be fast-tracked changes in frequency-hopping band-pass filter will be able to significantly improve the system anti-jamming性能. This paper from the actual application, the comparison of several band-pass filter can be used to achieve the rapid conversion of the program, choose a simple, practical switched capacitor array to change the center frequency of band-pass filter program)
- 2009-12-22 21:52:44下载
- 积分:1
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car
基于MSP430的自动往返小汽车解决方案,包括设计报告和硬件电路(Automatically round-trip car for MSP430-based solutions, including design report and the hardware circuit)
- 2012-08-01 15:03:26下载
- 积分:1
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TDOA-location-paper
哈尔滨工程大学word格式论文,基于差分演进算法的TDOA定位技术。提出了三种新的定位算法:基于TDOA的Chan-GA算法、Chan-DE算法和Chan-IDE算法。并在相同的仿真环境下进行比较,仿真结果表明,在保证种群数量的情况下,所提的算法性能稳定,能找到逼近全局最优点的解,相对于Chan算法精度更高,相对于以前的算法在保证收敛性能的前提下有更快的收敛速度。(Harbin Engineering University, word format papers, based on differential evolution algorithm TDOA positioning technology. Proposed three new localization algorithm: Based on TDOA Chan-GA algorithm, Chan-DE algorithm and Chan-IDE algorithms. And in the same simulation environment to compare simulation results show that, in the case of populations to ensure that the proposed algorithm performance and stability, can be found close to the global optimal solution, Chan algorithm with respect to higher accuracy compared to the previous algorithm convergence performance guarantee under the premise of a faster convergence.)
- 2020-11-21 11:09:37下载
- 积分:1
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BD_3Pos_thesis
说明: 介绍了北斗双星定位系统的特点、 功能、 系统组成和工作原理, 说明了北斗有源定位方式在应用方面的局限性.对搞BD无源定位而言,是篇很有用的论文,在此分享。(Introduced Beidou Positioning System features, functions, composition and working principle of the system, indicating the way Beidou active positioning application limitations. Right out BD passive positioning, the paper is very useful articles in this share .)
- 2010-04-20 17:03:17下载
- 积分:1
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Schwarz-Alternating-Methods-in-N-D
非常非常有用的关于区域分解方法的论文,此篇论文是以 n 维情况下讨论的.(Very, very useful papers on domain decomposition method, this paper is based on an n-dimensional case under discussion.)
- 2013-11-28 15:39:54下载
- 积分:1
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green_laser_design
本文简单地探讨了一下绿光激光器设计中的部分问题,并用MATLAB进行了关键数据的计算,用zemax软件对激光产生后的光束变换进行了仿真。(This paper briefly discusses about the design of green laser part of the problem, and use MATLAB for the calculation of critical data, generated with zemax software after the laser beam transformation is simulated.)
- 2012-01-28 10:58:07下载
- 积分:1
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QNMVD100系列高压变频器的使用说明手册
QNMVD100系列高压变频器的使用说明手册。本产品的技术方案采用串桥级联多电平逆变器的主电路拓扑结构。高压变频器通过移相隔离变压器将三相6kV高压交流电,变换成3×5组错相的三相690V低压交流电,分别经功率单元整流、逆变、串联叠加形成0~6kV、0~50Hz的交流电压输出至异步电动机(QNMVD100 series of high-voltage inverter)
- 2011-07-15 15:25:53下载
- 积分:1