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bpsk
- 二相相移键控（BPSK）调制解调过程的MATLAB仿真实现。ASK、FSK、PSK这三种数字调制方式在抗干扰噪声能力和信号频谱利用率等方面，以相干PSK的性能最好，目前已在中、高速传输数据时得到广泛应用。-Binary phase shift keying (BPSK) modulation and demodulation process, MATLAB Simulation. ASK, FSK, PSK modulation in the three digital noise interf
AnAdaptiveFourDimensionalKalmnFilteforDopplerFrequ
- 用泰勒级数展开的形式表示高动态的载波相位参数, 给出了对高动态载体和各阶频率参数 估计的四阶加权扩展卡尔漫滤波器(EKF) , 以及实现高动态跟踪滤波器必须的状态转移矩阵和动 态噪声协方差矩阵. 计算机模拟实验分析了对载波相位和各阶频率的跟踪结果.-Taylor series expansion with the form that the carrier phase high-dynamic parameters, given the high-order dynamic freq
spectrum-estimation
- 对带有随机相位和随机噪声的线谱信号，实现周期图谱估计、多重信号分类（MUSIC）两种方法对频谱的估计。代码效率高，可扩展性好。-Of random noise with random phase and the line spectrum signal, spectrum estimation period, multiple signal classification (MUSIC) two methods of spectrum estimation. Code efficiency, go
daopu
- 能够实现声音信号的时域、频域、相位、功率谱分析-this matlab codes can realize the function analysis of time domain, frequency domain,phase ,powerspectrum ect for a noise signal
svdmode
- 相空间重构及奇异值分解代码，可用于消噪处理，希望有所帮助-Phase space reconstruction and singular value decomposition code, can be used to eliminate noise processing, Hope that helps
echoes-of-active-phased-array-radars
- 在降低运算量的同时保持了相控阵接收通道回波之间的固有幅度、相 位关系, 采用变换法来产生通道噪声, 使通道回波生成耗时控制在毫秒量级及系统仿真实现准 实时。-In reducing the amount of computing while maintaining a phased array receiver channel between the intrinsic echo amplitude, phase relations, the use of transform metho
BID-of-Multichannel
- 盲辨识的模糊和多路冷杉完美的图像恢复 乔治·吉昂奈吉斯，研究员，美国，和罗伯特·希斯，小，成员，美国-Despite its practical importance in image processing and computer vision, blind blur identification and blind image restoration have so far been addressed under restrictive assumptions such a
Digital-filters
- A filter is a system which modifies some special frequencies reletive to the others. As a result i s applicable in some applications when it is necessary to have different gains & phase shifts at different frequencies to perform specific filtering ta
shiyan
- OFDM中的信道均衡技术对于研究如何消除噪声干扰以及去除相位偏移的有着重要的作用-OFDM channel equalization techniques in the study of how to eliminate noise and to remove the phase offset has an important role in
qpsk
- 为了使数字信号在有限带宽的高频信道中传输，必须对数字信号进行载波调制。就频带利用率和抗噪声性能（或功率利用率）两个方面来看， QPSK系统最佳。QPSK是利用载波的四种不同相位差来表征输入的数字信息，是四进制移相键控（QPSK）。本项目用MATLAB软件对四进制移相键控信号在AWQN信道中传输进行了建模和仿真，通过对仿真得到的误码率和理论误码率进行比较和分析，从而证明了MATLAB软件仿真QPSK调制解调的可行性。-In order to make the digital signal in t
fangxiang
- 使用LMS和SMI算法作出的天线方向图程序，对于噪声，程序内置了2种不同的调制方式（调幅和调相），可以自由选择。-LMS and SMI algorithms are used in the programme to make the antenna pattern graphics. For the noise, the program built-in two kinds of modulation (amplitude and phase modulation), you can ch
interfering-signals
- 各种干扰信号,包括噪声调频干扰,噪声调相干扰,噪声调幅干扰,射频噪声干扰-A variety of interfering signals, including noise FM interference, noise, phase modulation, interference, noise AM interference, RF noise
Untitledjiwangfei0905094221
- 1、分别生成两种信号（正弦波、方波、三角波、锯齿波、Sinc波形等）+噪声（高斯随机噪声、均匀噪声） 要求：频率：学号*100； 幅度：学号/10 相位：学号*pi/180 点数：学号*64 2、同时在一个图形中进行显示： 要求：标注X轴、Y轴、题目、颜色、样式、线型标注等。 3、进行信号分析及结果显示（对结果也要图形标注，同2） 要求：相关分析 卷积运算 求和运算 频谱分析（最大值、测频） 4、对上述原信号及信号分析结果分别存成E
wuchashiliangfuzhifa
- 通过计算接收信号中同相分量和正交分量的二、四阶矩，该算法能够很好的估计信号的信噪比-By calculating the received signal with the phase and quadrature components of the two, the fourth moment, the algorithm can estimate the signal to noise ratio
QmattlabqpskwP
- QPSK在加性高斯白噪声环境下，信噪比与误码率的仿真。 先产生一个四组符号的序列，，再将该序列映射到对应的相位上。用相应的函数产生均值为零、方差为δ2的加性高斯噪声。 -QPSK in additive white Gaussian noise environment, the signal to noise ratio and bit error rate simulation. First produce a sequence of four sets of symbols, then
Across_speechp
- 传统双话筒降噪应用中，要求采用定向话筒对抗话音串扰问题，并且语音损伤较大，采用抗交叉串绕算法后，，仅噪声被抵消，语音信号被保留。分为两个阶段，第一阶段，学习环境，第二阶段，抵消噪声。 -The application of the traditional dual-microphone noise reduction, directional microphone to confront the problem of voice crosstalk, and the voice more
qpsk_demod_use_FPGA
- 根据软件无线电的思想，提出了一种新颖的数字信号处理算法，对QPSK信号的相位进行数字化处理，从而实现对QPSK信号的解调.该算法允许收发两端载波存在频差，用数字锁相实现收发端载波的同步，在频偏较大的情况下，估算频偏的大小，自适应设置环路的带宽，实现较短的捕获时间和较好的信噪性能。整个设计基于XILINX公司的ISE开发平台，并用Virtex-II系列FPGA实现。用FPGA实现调制解调器具有体积小、功耗低、集成度高、可软件升级、扰干扰能力强的特点，符合未来通信技术发展的方向。-According
2
- 数字调相信号的生成，已经分别提供指定信噪比下以及随机噪声的背景下的情况-The generation of the digital phase-modulated signal, respectively provided specified SNR as well as the context of random noise
xinzaobitexing
- 分别对线性调频信号、非线性调频信号、连续波信号、频率编码信号和相位编码信号的进行了信噪比特性分析，较为有用的程序，与大家分享-Chirp signal, non-linear FM signal, continuous wave signal frequency coded signal and phase encoded signals were signal-to-noise ratio characteristic analysis, a more useful program, to s
sar_azimuth_phase_error
- 不同类型的相位误差对SAR方位向聚焦的影响，包括线性误差，二次，三次误差，高频误差和白噪声-To focus on the phase of the different types of errors on the SAR azimuth, including linearity error, quadratic, cubic error, frequency error, and the white noise