搜索资源列表
IQ
- 中频信号正交化处理过程中,低通滤波法,多相滤波法和Bessel插值法镜频抑制的比较,-IF signal quadrature-based processing, low-pass filtering method, multi-phase filtering method and the Bessel interpolation method mirror-frequency rejection of the comparison,
PD_Barker
- 实现巴克码PD雷达体制的回波信号经滤波、放大、零中频、正交IQ处理采样后的波形图,此信号为第m个周期第k个采样点的信号模型-The realization of Barker Code PD radar system echo signal filtering, amplification, zero-IF, orthogonal sampling to deal with post IQ waveform diagram, the signal for the first m the firs
qiweibakema_f
- 设雷达信号是码宽为0.5微妙,中心频率是10MHz的7为巴克码2PSK信号,接收的雷达回波中频采样频率为40MHz,中频进行正交下变频。假设在13.5km处有一个点目标,仿真该雷达的脉冲压缩处理。-Code-based radar signal is a delicate relief of 0.5, the center frequency is 10MHz for the 7 Barker Code 2PSK signal, the radar echo received IF sampli
zhengjiaoxinhao
- 完成M=4的正交信号的数字通信系统的蒙特卡罗仿真。分析其在加性高斯白噪声下误码率与信噪比之间的关系,绘出误码率-信噪比曲线图,并和物理曲线进行比较。-The completion of M = 4 orthogonal signals in Monte Carlo simulation of digital communication systems. Analysis of the additive white Gaussian noise bit error rate and signal
shuangzhengjiaoxinhao
- 完成双正交信号的数字通信系统的蒙特卡罗仿真。分析其在加性高斯白噪声下误码率与信噪比之间的关系,绘出误码率-信噪比曲线图,并和理论曲线进行比较。-Complete pairs of orthogonal signals in Monte Carlo simulation of digital communication systems. Analysis of the additive white Gaussian noise bit error rate and signal to noise
DSP
- 【摘 要】为了减少集成电路硬件复杂度,针对QAM 调制软件实现速度慢的问题,在分析MQAM 调制原理的基础上,采用 直接频率合成实现正余弦信号及无时延改进的滤波器编程方法,提出一种快速实现MQAM 调制算法的软件编程思想,并以 TMS320C55X 为平台[1,4],将MQAM 调制算法进行了C 编程实现。结果表明:该编程方法能快速产生MQAM 调制信号。 【关键词】多电平正交幅度调制;脉冲成形滤波器;直接频率合成;数字信号处理-【Abstract】 In order to redu
plusrilinoise
- 基于小波包的带通滤波器设计程序。给出了小波变换的快速算法和重构算法,讨论了应用小波变换进行信号带通滤波的方法,并通过正交小波包对信号的分解,把频率成分复杂的信号分解到各个频带上,根据需要提取指定频率的信号,然后用小波包重构算法对信号进行重构,实现对信号的提取。-Based on wavelet packet band-pass filter design program. Given the fast algorithm of wavelet transform and reconstructi
final
- 用正交解调法对计算机声卡采集的信号在LabVIEW上进行解调的VI文件,经测试可正常运行-Demodulation of the signal collected by the quadrature demodulation method on the computer sound card in LabVIEW VI file, tested normal operation
wavelet-denoise
- 基于双正交小波的信号去噪,有需要的可以下载-signal denoise
work
- 正交信号的调制,解调,以及误码率的计算与图-Quadrature signal error rate
KSVD-dictionary-learning-Matlab
- 这个程序可以对KSVD进行综合测试。首先,会产生一个随机的正交字典,会产生一个KSVD算法输入,这个输入是一个数据信号集合,每个元素都是三维元素的线性组合。-In this file a synthetic test of the K-SVD algorithm is performed. First, a random dictionary with normalized columns is being generated, and then a set of data signal
ofdm-rar
- OFDM(Orthogonal Frequency Division Multiplexing)即正交频分复用技术,实际上OFDM是MCM Multi-CarrierModulation,多载波调制的一种。其主要思想是:将信道分成若干正交子信道,将高速数据信号转换成并行的低速子数据流,调制到在每个子信道上进行传输。正交信号可以通过在接收端采用相关技术来分开,这样可以减少子信道之间的相互干扰 ICI 。每个子信道上的信号带宽小于信道的相关带宽,因此每个子信道上的可以看成平坦性衰落,从而可以消除码间
chapter6
- 二进制正交信号在AWGN信道下的误比特率性能-Binary orthogonal signal bit error rate performance in AWGN channel
zhengjiaocaiyang1
- 信号分为同相信号和正交信号,分别进行正交采样,降低采样率,搬移频带,完成采样。-Signal into in-phase signal and the quadrature signal, respectively, quadrature sampling, the sampling rate decrease, moving band, complete sampling.
BaseCurveFit
- 正交基函数,用于时变信号基于正交基的拟合与实现。用于过程神经网络。(Orthogonal basis functions are used for the fitting and Realization of time-varying signals based on orthogonal basis. Process neural network.)
matlab_prj(2)
- 血压信号正交分解matlab代码,把电压传感器采集回来的信号做分解(matlab code for blood pressure decomposition)
LIA去噪
- 软正交矢量型LIA相关器的具体实现 对微弱信号幅值和相位的检测,有效的抑制了干扰(The realization of the soft orthogonal vector LIA correlator detects the amplitude and phase of the weak signal, and effectively suppresses the interference)
CWT
- 对滚动轴承声发射信号进行处理,运用基于正交小波基连续小波变换,寻找最优尺度参数(you can know the functions that finds the best scale in the CWT coefficients or the way how you can do this.)
Desktop
- 以上代码为用OMP算法来求解稀疏信号的解,非常适合压缩感知入门(The above code is used OMP algorithm to solve sparse signal solution, very suitable for compressed sensing entry)
浅论软正交矢量型LIA在MATLAB下的实现
- 实现软正交矢量型LIA法,本文利用互相关算法,在 MATLAB 环境下完成了软正交矢量型 LIA 相关器的仿真实现,并针对不同的噪声信号情况进行了验证与讨论。利用软正交矢量型 LIA 可以实现噪声干扰很大的情况下的微弱信号检测,并具备节约硬件成本、抗干扰能力强等诸多优点,在诸如薄板缺陷检测等方面有广阔的应用价值。(Soft orthogonal vector LIA method is realized. In this paper, the soft orthogonal vector LIA