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carieroffset-estimation
- Tdscdma系统中的载频估计程序,利用导频段,极大似然的估计算法,在MATLAB中的实现程序-Tdscdma system of carrier frequency estimation procedures, the use of derivative band, the maximum likelihood estimation algorithm, MATLAB in the realization process
czt-fft
- 基于FFT的极大似然载频估计算法,用CZT实现的MATLAB程序-FFT-based Maximum Likelihood estimation algorithm carrier frequency, with the CZT achieve MATLAB
BPSK_100M
- 直接序列扩频信号参数盲估计系统 估计载频、码速率、码周期等-Blind direct sequence spread spectrum signal parameters estimation system estimates the carrier frequency, code rate, code cycles, etc.
Sampling
- 利用前端高速ADC来覆盖给定的监视带宽, 在粗略估计载频并考虑一定的保护带, 利用带通信号的均匀欠采样定理行内插抽取, 以获得欠采样后的信号。-Using high-speed ADC front-end to cover a given monitor bandwidth, carrier frequency at a rough estimate and considering some of the protection zone, use less uniform bandpass sa
4
- :载波频率偏移是OFDM系统实现的关键问题之一。分析了OFDM 系统载频偏移估计的2 种算法,即利用循环前缀和训练序列方法。它们均为最大似然估计方法。分别讨论了它们的基本 思想、实现方法和仿真结果。可以看出基于循环前缀算法复杂度较小,精度不高,而基于训练序列 的算法有较高的估计精度,但降纸了系统传输效率。-Abstract:Carrier frequency ofset is one of the key problems in OFDM system.Two foundationa
CSD_Detect_Eval1
- Matlab编写的循环谱计算程序,并对谱参数进行检测和估计,如载频估计,时宽估计,幅度估计等-Matlab computer program written in cyclic spectrum, and spectral parameters for detection and estimation, such as carrier frequency is estimated at wide estimated range estimation
Carrier-Frequency
- MPSK QAM MASK MPSK信号载频估计matlab程序-matlab program of estimating Carrier Frequency of MPSK QAM MASK MPSK signal
festimate1q1023
- 平方倍频法,估计直接序列扩频qpsk信号载频,功率谱估计法采用平均周期图法-Square multiplier method, the estimated direct sequence spread spectrum qpsk signal carrier frequency, power spectrum estimation method using the average periodogram
fcest_bfsk
- 该工程实现2fsk的载频估计,返回2fsk两个载频估计结果。-The project is estimated to achieve 2fsk carrier frequency, return 2fsk two carrier frequency estimation results.
BPSK-frequency-estimate
- BPSK载频估计,用它的平方谱和四次方谱进行估计,能够在0dB情况下完成有效估计-BPSK carrier frequency estimation, with its squared spectrum and quartic spectrum estimation can be completed in the 0dB case valid estimation
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- 数据通道剥离伪码后的载频估计,数据通道剥离伪码后的载波估计问题。对直接序列扩频系统的数据通道,假定接收设备已“完美”地锁定接收信号伪码,并实现了伪码剥离其中,信号幅度、电文、载波多普勒和载波相位均未知。电文的速率为10Hz。由于信源与接收端信号传输时延的不确定性,收到的信号电文是从某个未知时刻开始的。 利用数据文件 估计信号幅度、载波多普勒和载波相位-Data channel after stripping pseudo-code carrier frequency estimation
bpsk
- BPSK基于平方谱和四次方谱的载频估计,可以用于BPSK 16QAM MSK信号的载频估计。-BPSK carrier frequency estimation based on square spectrum and fourth power spectrum, can be used for 16 qam MSK BPSK signal carrier frequency estimation
yuyinshengka
- 2PSK,QPSK,MSK,QAM的调制方式鉴别,其中有符号速率的估计,频偏的估计,确定载频,并画出星座图,用simulink编写-2PSK, QPSK, MSK, QAM modulation scheme identification, including the estimated symbol rate, frequency offset estimate to determine the carrier frequency, and draw the constellations, w
载频估计
- 信号载波估计,可适用于多种信号的载波频率估计、解调等。(Signal carrier estimation can be applied to carrier frequency estimation and demodulation of various signals.)
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)
二次谱法
- 对DSSS/BPSK信号进行二次功率谱估计,可以估计出载频信息(The two power spectrum estimation of DSSS/BPSK signal can estimate carrier frequency information.)
平方倍频法
- 对DSSS/BPSK信号进行平方倍频法,可以对其载频进行估计(The frequency doubling method of DSSS/BPSK signal can be used to estimate its carrier frequency.)
基于MWC的CFR载频估计系统
- 基于斯坦福大学ELDER团队的调制宽度转换器MWC的CFR载频估计系统,可以测出信号载频的频率,并且误差控制在很小的范围
OFDMSignalDetection-master
- 程序实现的主要功能: OFDM调制识别:研究了基于高阶累量和基于小波变换的OFDM信号和单载波调制信号的识别算法,仿真分析了两种算法在高斯信道和多径瑞利衰落信道下的信号识别性能。 OFDM参数估计:研究了基于Welch算法和AR模型法求解功率谱进而估计信号带宽的算法,对两种算法的估计性能进行了比较;根据OFDM信号的循环平稳性研究了基于循环谱的载频估计算法;根据 OFDM信号的自相关性研究了基于可变延时自相关和固定延时自相关的FFT相结合的算法,估计了OFDM信号的有效数据长度、符号