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jcm12864m
- 内外差值法，是一种应用较为广泛的算法，希望对大家有所帮助-Difference between inside and outside the law, is a more extensive application of the algorithm, we want to help
pin
- 频谱分析参考程序 基于dds硬件混频电路外差法原理 单片机主控 -Reference spectrum analysis program
SystemView
- 文件名 例子说明 1-1.svu 信号的平方 1-2.svu 双边带调幅信号的频谱 3-1.svu 拉普拉斯系统 3-2.svu 三阶系统的根轨迹与波特图计算 4-1.svu AM调制解调 4-2.svu AM 超外差收音机模型 4-3.svu SSB移相法形成 5-1.svu 间接法调频 5-2.svu 阿姆斯特兰朗法调频 5-3.svu FM积分鉴频器的仿真 5-4.svu 声音通过FM传
heterodyne_unwrap
- 包含用于条纹图像的旋转滤波、四步相移法程序和多频外差算法程序，用于光栅投影法的三维重建-Contains filter fringe image rotation, four-step phase shift method procedures and multi-frequency heterodyne algorithm for three-dimensional reconstruction of the grating proj
linewidth_measure
- 基于光学外差法测量超窄线宽激光器的拍频计算DFB激光器的线宽，包括Gaussian线型与Lorentzation线型两种。-Based on optical heterodyne beat frequency method, calculating the Gaussian type and Lorentzation type laser linewidth.
多频外差
- 实现三频外差法展开相位，包含理想条纹图片数据。(multi frequency unwrapping phase including standard fringe data)
3种频率4步相移法
- 基于数字光栅投影的结构光三维测量技术与系统的研究，李中伟的博士论文来实现(Based on the digital grating projection, the three-dimensional measurement technology and the system research, li zhongwei's doctoral thesis is realized.)
4步3种方法对比
- 多频外差法，求绝对相位，3种方法对比。。。。。。(The multifrequency heterodyne method, the absolute phase, three methods are compared.)
leida
- 通过调节载波频率可使外差法产生的差频在零频率点附近变动，从而使得双稳系统的输出信号发生特征极为明显的变化，为频率检测提供可靠的检测依据。(By adjusting the carrier frequency, the difference frequency produced by the heterodyne can be changed near the zero frequency point, which makes the o
多频外差法
- 用于生成多频外差法的图像，可以设定频率，默认采用三频，文件包含误差计算程序(For the image generated by multi frequency heterodyne method, the frequency can be set, and three frequency is used by default)