这是我们在学习数字图像处理过程中，对领域平均法和中值滤波的程序代码。
This is our learning digital image processing, the field average and median filtering the code.
笔者采用数字手段去测取超声波信号的频差，通过频差法可得出流体的平均速度，进而获得高含沙量流体的流量。
A digital signal processing way is established to obtain ultrasonic signal frequency shift in the test of high sand content fluid flow.
在动态测试领域中，数字散斑干涉技术常用到的相位处理方法有时间平均法和空间载波相移法。
In dynamic measurement field, when using digital speckle pattern interferometry, we always deal phase with time-average method and spatial carrier phase-shifting method.
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