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kuoping
- 扩频通信中的捕获问题，用GOLD码进行扩频， PN码相位捕获，利用捕获的相位，接收机产生偏移的GOLD码，进行解扩和误码率计算-Capture the problem in spread spectrum communication, spread spectrum codes with GOLD, PN code phase acquisition, the use of capture phase, the receiver generates offset GOLD code, for d
DSSS_enhanced_with_a_coarse_time_synchronization_
- The .m file simulates a Spread-Spectrum Modulation Trx/Rcx system, in which, the phase of the pseudo-random sequence generated in the transmitter and used to encode the data stream is unknown a priory at the receiver.A parallel search strategy is emp
Spread_2
- This program deals with Spread spectrum communication systems using chaos as the sequence generators.In coming days I will be updating it with complete chaos based generators Frequency Hopping and CDMA systems with multiple users and till oustic netw
fourier_series_plot
- Descr iption: This M-file plots the truncated Fourier Series representation of a square wave as well as its amplitude and phase spectrum.- Descr iption: This M-file plots the truncated Fourier Series representation of a squa
System-Simulation-0f-CDMA2000
- 本程序仿真CDMA2000的复扩频过程,只考虑导频信道和一个业务信道,假设同步已建立，接收端能产生同频同相相干载波,整个仿真过程在基带中进行.-The simulation program CDMA2000 complex spread spectrum, considering only the pilot channel and a business channel, and assume that synchronization has been established, the rece
Rayleigh_channel
- 移动通信中QPSK调制在8,Multipath Rayleigh Fading Channel下的传播特性分析（包括Impulse Response/frequence Response/phase trajectory/multipath components/multipath gain/Doppler spectrum等参数指标）-Mobile communications QPSK modulation in 8, Multipath Rayleigh Fading Channel
AM
- AM MODULATION: It is matlab code for AM,DSBSC,SS B with carrier ,ISB, & multitone AM & their spectrum. AM is a technique used in electronic communication, most commonly for transmitting information via a radio carrier wave. AM works by varying the st
psc
- 用于语音增强的相位谱补偿方法，效果不错。- Phase Spectrum Compensation (PSC) [1] by Stark et al. Implementation by Kamil Wojcicki, 2011
Lab4-LPC
- For restoration of time-domain signals, an estimate of the instantaneous magnitude spectrum is combined with the phase of the noisy signal, and then transformed via an inverse discrete Fourier transform to the time domain. In terms of comput