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 signal and modulation signal
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
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 -Matlab-based spectral estimation algorithm to achieve the cycle, can be characterized with cyclostationary signal parameter estimation, such as the DS signal and cycle modulation
detection_and_estimation_with_noise_in_DSSS
- 描述了在高斯白噪背景下，对直扩信号进行检测所采用的方法和仿真流程。-Describes the Gaussian white noise in the background, on the Direct Sequence Spread Spectrum Signal detection methods and simulation process.
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 address code, with multi-user in
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
chengxu
- 分析直扩信号对正弦干扰的抑制,直扩信号对正弦干扰的抑制-Analysis of DS-SS signal sinusoidal interference suppression
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. .
chengxu
- 建立了多径直扩信号模型，实现多径环境下直扩信号PN码的捕获-The multipath DS-SS signal model is built, and achieve the PN code acquisition under multipath.
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 does not have when the disturb
kuopin
- 直接序列扩频系统（DS，Direct Sequence）又称为直接序列调制系统或伪噪声系统（PN 系统），简称为直扩系统，是目前应用较为广泛的一种扩展频谱系统。要传送的信息经伪随机序列编码后对载波进行调制。在发信端越冬用扩频序列去扩展信号的频谱，在收信端，用相同的扩频友序列进行解扩，将展宽的频谱扩展信号还原成原始信号。因为伪随机序列的速率远大于要传送信息的速率，所以受调信号的频谱宽度将远大于要传送信息的频谱宽度，帮称之为扩频-Direct sequence spread spectrum (DS
dsss
- 直扩信号BPSK的仿真，采用异或移位的算法实现PN码达到扩频的目的-BPSK DS signal simulation, using different algorithms, or shift the PN code to achieve the purpose of spreading
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)
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)
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)