搜索资源列表
cyclic2
- 基于matlab实现的循环谱估计算法,可以对具有循环平稳特点的信号进行参数估计,如直扩信号和周期调制信号。-based on the cycle of Matlab achieve spectral estimation algorithm, be right circle with a smooth characteristics of the signal to estimate the parameters, such as DS
ADC_afterKP
- 一个两步式的12位ADC,输入信号为直扩信号。经验证,结果正确。
dsbpsk_ok
- 采用dpsk方式调制的直扩信号
upds
- 直接序列扩频通信可以有效地抵抗来自信道中的窄带干扰。在一个直扩通信系统中,扩频是通过伪噪声序列(PN)对发送的信息数据进行调制来实现的。在接收端,原伪噪声序列和所收信号的相关运算可将窄带干扰扩展到DS信号的整个频带,使干扰等效为幅度较低频谱较平坦的噪声;同时,将DS信号解扩,恢复原始信息数据。-direct sequence spread spectrum communication can be effective resistanc
cyclic2
- 基于matlab实现的循环谱估计算法,可以对具有循环平稳特点的信号进行参数估计,如直扩信号和周期调制信号。-based on the cycle of Matlab achieve spectral estimation algorithm, be right circle with a smooth characteristics of the signal to estimate the parameters, such as DS
DSSS
- 扩频通信直扩通信系统。包括调制,解调。各信号的频谱。-Spread Spectrum Communication DS-SS communication system. Including modulation, demodulation. The signal spectrum.
DDSS_Matlab
- 直接序列扩频Matlab程序 直接序列扩频通信可以有效地抵抗来自信道中的窄带干扰。在一个直扩通信系统中,扩频是通过伪噪声序列(PN)对发送的信息数据进行调制来实现的。在接收端,原伪噪声序列和所收信号的相关运算可将窄带干扰扩展到DS信号的整个频带,使干扰等效为幅度较低频谱较平坦的噪声;同时,将DS信号解扩,恢复原始信息数据。-Matlab procedures for direct sequence spread spectrum
ADC_afterKP
- 一个两步式的12位ADC,输入信号为直扩信号。经验证,结果正确。-A two-step-style 12 ADC, the input signal for the Direct Sequence Spread Spectrum Signal. Certified, resulting in the right.
dsbpsk_ok
- 采用dpsk方式调制的直扩信号 -DPSK modulation methods used Direct Sequence Spread Spectrum Signal
zhikuochansheng
- 利用MATLAB对直扩信号的产生进行了研究,并利用FFT实现频谱分析-Use MATLAB to generate DS signals have been studied, and the realization of the use of FFT spectrum analysis
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 ad
kuopinQPSK
- 本程序对于 循环统计量中存在的直扩信号进行检测,效果很好-This procedure for the circulation statistics that exist in DSSS signal detection, the effect of good
zhikuo
- 自已做的直扩系统的simulink仿真,包括信号源的生成,捕获与跟踪,解扩解调全过程-To do their own DS systems simulink simulation, including the signal source of the generation, capture and track the entire process of despreading demodulation
multipath_estimation
- 直扩系统中的多径干扰信号的估计消除技术,通过仿真标量多径对直达信号的鉴相特性的影响-DSSS system multipath interference estimate signal cancellation technology, through the simulation of scalar multi-path of the direct signal phase characteristics. .
DSSS
- 该程序主要说明直扩系统抑制正弦干扰方面的有效性。绘出不同幅度的正弦干扰信号及无干扰时的误码率.- This procedure mainly showed that expands the system to suppress the sine disturbance aspect straight the validity. Draws the different scope the sine unwanted signal and
signal
- 一个直扩通信系统的仿真,其中采用BPSK调制,包含有解扩和解调过程,以及各信号的频谱分析(Simulation of DSSS signal)
直扩信号检测识别
- 利用循环谱相关法从高白噪声中检测识别出BPSK调制的直扩信号。(Detection and identification of BPSK modulated DSSS signals from high white noise using cyclic spectral correlation method.)
直扩信号盲识别
- 估计接收到的直扩信号的载频,码速率,以及扩频增益(Estimate the carrier frequency, code rate, and spread spectrum gain of the received DSS signals)
倒谱
- 对直扩信号采用倒谱法进行功率谱分析,检测高端周期脉冲谱线(Cepstrum signal power spectrum analysis using cepstrum method, detection of high-end periodic pulse line)
MATLAB
- 直扩系统实现,主要用于信号抗干扰,扩展频谱(to make the jdsai jsaiohffb sioahfsdn ksa)