wavelets are used extensively in signal and image processing,Medicine, Finance, Radar, Sonar, Geology and many other varied fields. They are usually presented in mathematical formulae, but can actually be understood in terms of simple comparisons

实现声呐传感器的各种测试，包括测高，自校准等一些列功能-Sonar sensors to achieve a variety of tests, including altimeter, self-calibration function for some columns