搜索资源列表
OFDM_Technique_Simulation_Performance
- 摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向,交频分复用 OFDM)是一种无线环境下的高速传输技术,它对高速列车控制信息传输中卞要受到的由于多 径传播引起的快衰落所产生的影响有很强的抵抗能力.本文首先介绍了OFDM技术的发展和 基本原理,然后在计算机上用M atlal〕对其性能进行了仿真,仿真中将OFDM与传统的单载波 调制方式—i1,交振幅调制( 1frQAM)对抗多径十扰的性能进行了比较,最后分析了一者的仿真结果. -Abstract: Based
OFDM_Final_Report
- A MATLAB program has been written to investigate Orthogonal Frequency Division Multiplexing (OFDM) communication systems. This program is valuable for future researchers simulating systems that are too theoretically complex to analyze. Single-car
highorder-QAM-carrier-recovery-2001
- 一篇高阶QAM(256阶)载波恢复的外文文献,提出了一种极性判决和判决引导的双模式载波恢复方法-a paper about carrier recovery of high order QAM signals
highorderQAMequalicarecovery
- 一篇高阶QAM信号联合载波同步与盲均衡的外文文献,采用了多模盲均衡算法-a paper about the blind equalization and carrier recovery of high order QAM signals and uses MMA method
QAM
- 该文给出了一种QAM信号载波频偏估计算法。-This paper presents a QAM signal carrier frequency offset estimation algorithm.
16QAM
- 针对此,笔者详细介绍了16QAM差分 调制解调的原理,并通过接收端解码电路相应的运算规则消除了频偏和相偏的影响,免除了复杂的 载波和相位同步,降低了QAM接收机的复杂度。-For this, the author describes the detail of the principle of 16QAM differential modulation and demodulation, and by eliminating the frequency deviation and pha
ex9
- 用基带等效方式仿真16-QAM载波调制信号在AWGN下的误码率-With the baseband equivalent simulation 16-QAM carrier frequency modulation signal in AWGN bit error rate
satellite
- Quadrature Amplitude Modulation (QAM) The creation of symbols that are some combination of amplitude and phase can carry the concept of transmitting more bits per symbol further. This method is called quadrature amplitude modulation (QAM). For
communicatin-project
- analog modulation techniques are: Amplitude modulation (AM) (here the amplitude of the carrier signal is varied in accordance to the instan eous amplitude of the modulating signal) Double-sideband modulation (DSB) Double-sideband modulati
BER-for-QAM
- Calculate BER for single carrier QAM and QAM BY OFDM-Calculate BER for single carrier QAM and QAM BY OFDM