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dsnonoise
- 直接序列扩频系统是在发端直接用具有高码率的扩频编码去扩展信号的频谱，而在收端用相同的扩频编码进行解扩使扩频信号还原为原始信号的一种扩频方式。直接序列系统中用的编码序列通常是伪随机序列或叫伪噪声（PN）码。要传送的信息经数字化后变成二元数字序列，它和伪随机序列模二相加(或相乘)后变成复合码去调制载波。在直接序列系统中通常对载波进行二进制相移键控调制(BPSK)。当扩频调制后由天线发射出去，在接收机中要有一个和发射机中的伪随机码同步的本地码，对接收信号进行解扩，解扩后的信号送到解调器取出传送的信息-
TANA
- 微波转移矩阵分析程序，包含分析频率、输入驻波比、插入衰减和相移的计算-microwave transfer matrix analysis procedures, including analysis of frequency, input VSWR, insert the attenuation and phase shift of calculation
PhaseBasedTemplateMatching
- Phase Based Template Matching: Phase information is used for matching the input imagery with the template. Both the images are filtered with canny edge detector. The timing efficiency is introduced by implementing skipping steps while doing correlati
PhaseOfTheWaveformSynthesis
- 相位对波形合成的影响~信号与系统 相位对波形合成的影响 在本实验中，三次谐波相对于基波有270度相移。重复（一）的步骤，观测各次谐波对合成信号的影响。-Phase of the waveform synthesis ~ signal and system phase-waveform synthesis in this experiment, the third harmonic relative to the fundamental wave of 270-degree phase s
psi
- 移相干涉求相位，既求出基于相位偏移干涉术的初始相位值-Phase-shifting interference requirements phase, not only find the phase shift interferometry based on the initial phase value
TEST
- 四步相移 多频外差 的matlab 理论演示-Four-step phase shift matlab theory demonstrates that multi-frequency heterodyne
pmp
- 针对simulation中单频四步相移图像IM0-3及IMR0-3图像们进行四步相移测量的程序 refphase1是对参考面的测量并接缠绕得到相位角 solvephase是对测量物体的测量并得到相位角后，进行处理回复面形-For simulation of single-frequency four-step phase shift image IM0-3 and IMR0-3 images have conducted four step phase shift measu
AIA
- 光学相位测量中，确定相移量的算法，主要运用了迭代的思想-phase shift algoritm
dct
- 这是一款matlab相位解包裹源代码.将由四步相移法得到的相位主值展开。-This is a phase unwrapping matlab source code will be four-step phase shift method to get the main value of the expansion phase.
qam16
- 无线通信qpsk调制键控移相调制（QPSK）：调制效率高，要求传送途径的信噪比低，适合卫星广播。 -The wireless communication phase shift keying modulation qpsk modulation (QPSK): high modulation efficiency of the transmission path low SNR required for satellite broadcasting.
tixingxiangyi
- 三步梯形相移图案的matlab生成程序，使用的是灰度图像。-Three-step phase shift pattern matlab trapezoid generation program, using a gray-scale image.
si-bu-gan-she-fa
- 数字全息图求相位，采用四步相移法，可以准确的提取图像相位。-Digital holograms seeking phase, four-step phase shift method can accurately extract image phase.
3D_Construction
- 程序功能:通过简单的几幅相移条纹图像，重构出高精度的3D图像，方法简单。-Program features: simple pieces of phase shift fringe image, a high-precision 3D image reconstruction method is simple.
Phase-unwrapping
- 移相干涉术,利用三个频率的条纹相移图像，最后得到高精度的高频相位展开图。-Phase shifting interferometry using three frequency phase shift fringe image, and finally get high-precision frequency phase expanded view.
perizrmance_its
- 这是在AWGN信道下四相键控调制,以及其性能分析,-This is four phase shift keying modulation under AWGN channel, and its performance analysis,