搜索资源列表
2
- 不同拓扑相位的涡旋光束模拟程序。。。。。。。。。(Simulated Chart of Vortex Beam)
最小二乘解包裹算法
- 最小二乘法解包裹算法可以在光栅法三维重建时由相对相位求取绝对相位。(The least square unwrapping algorithm can obtain the absolute phase from the relative phase in the three-dimensional reconstruction of raster method.)
vortex
- 有效观察OAM的相位模式,可自由设定拓扑荷数(Observing the phase mode of OAM effectively, the topological charge can be set freely.)
GS
- 用于相位恢复基于FRENUP,LALALALLALA(FRENUP-based Phase Recovery)
251751220845792
- 利用干涉仪测向,显示出无相位模糊与有相位模糊的比较相关代码(Direction-finding phase ambiguity of interferometer)
PLL_system_cal&jitter_cal
- 计算PLL环路的传递函数,环路带宽,相位裕度等参数; 根据相位噪声大致估算对应的输出信号的jitter(calculate the transformer function, bandwidth, phase margin .etc; and calculate the jitter from phase noise;)
LJCM11
- 1,读取一幅图像,加相位噪声 % 2,模拟该图像在距离z0处形成的同轴1-FFT的4步相移数字全息图及强度图像 % 3,利用4步相移公式获取到达CCD的物光复振幅 % 4,利用1-IFFT重建物光复振幅 % 主要变量: % h ——波长(mm); Ih ——数字全息图; % L ——全息图宽度(mm); z0——记录全息图的距离(mm);(Function: Four-step phase-shift method to gener
振动信号分析
- 对机械类振动信号处理,幅值谱,相位谱,自功率谱,自回归谱等(For mechanical vibration signal processing, amplitude spectrum, phase spectrum, self power spectrum, auto regression spectrum, etc.)
GS algorithmn
- 相位恢复算法,gs算法,适用于双强度测量的相位恢复问题(a phase retrieval algorithmn-gs using MATLAB)
phase
- 检测两个输入信号的相位差。DFT_main函数中模拟了三种曲线,并对比了计算出的相位与理论相位的误差。(Detect the phase difference between two input signals. Three kinds of curves are simulated in DFT main function, and the errors between calculated phase and theoretical phase are compared.)
功率谱反演法
- 功率谱反演法仿真大气湍流相位屏,程序非常标准,建议大家学习参考。(Simulation of atmospheric turbulence phase screen by power spectrum inversion)
LFMCW
- 仿真伪相位编码连续波雷达的信号处理。设码频为 5MHz,伪码周期内码长为511,雷达载频为 10GHz,输入噪声为高斯白噪声,视频输入信噪比为 -15dB,相干 积累总时宽不大于0ms,给出回波视频表达式,脉压和FFT后的表达式;仿真给 出脉压和FFT 后的输出图形;通过仿真说明各级处理的增益,与各级时宽和带宽的关系;仿真说明脉压时多卜勒敏感现象和多卜勒容限及其性能损失(脉压主旁比与多卜勒的曲线)(Simulation of pseudo phase coded CW radar signal
涡旋电磁波相位图
- 不同模态OAM的相位图,电场场强图,及用箭头表示相位变化。(Phase diagram, electric field strength diagram of OAM with different modes and phase change indicated by arrows.)
ft_phase_screen (2)
- 实现大气随机相位频的生成,用于大气光学的仿真,可以分析激光传输收到湍流的影响。(Generation of atmospheric random phase frequency)
ISAR单特显点法相位补偿
- isar 单特点法相位补偿,可以对相位进行运动补偿(ISAR single feature phase compensation can compensate the phase motion)
hilbert
- 信号的希尔伯特变换,提取信号包络 瞬时频率以及瞬时相位(Hilbert transform of signal)
hilberttransform
- 信号的希尔伯特变换 可以提取信号的顺时针夫 瞬时相位 瞬时频率(Hilbert transform of signal can extract the instantaneous frequency of clockwise instantaneous phase of signal)
EMPE
- 输入S参数的相位和幅度,可以提取超材料的电磁参数(extraction of the effective parameters of metamaterial)
涡旋光束全息与拓扑荷模拟程序
- 利用理论推导的方法,该matlab程序得出涡旋光束经相位全息光栅接收后一阶衍射光束的解析表达式。(By using the method of theoretical derivation, the analytical expression of the first-order diffraction beam of vortex beam received by phase holographic grating is obtained by MATLAB program.)
signal
- 时域信号转频域信号,幅度谱,相位谱,只需把时域文件装载即可使用(time domain to frequency domain;)