So, in this section, a double-passage 4f wavelet filtering optical system is put forward, combining with the visual computation theory.
因此，文章在这一部分提出了一个双通道4f小波滤波光学 系统，并结合视觉计算理论，选择了适合的小波母函数——DOG函数制成滤 被模片，对输入图像进行了不同尺度下的信息提取，得到了期望的输出。
参考来源 - 小波变换在光学信息处理中的应用Proposes a new method mixing with median filtering and wavelet filtering and puts it into signal processing in this system, what’s more, the good effect has showed.
研究了中值滤波法、小波变换滤波法在定量测试中的应用，提出综合小波变换滤波法、中值滤波法各自优点的混合滤波法，并将其应用于实际采集到信号滤波处理中，取得较好的滤波效果。
参考来源 - 基于智能信息技术的金免疫层析试条定量测试系统的研究According to characteristic of algorithm. The condition of measurement has been put forward and layers of wavelet filtering have been estimated.
根据算法的特点，提出了测量的条件，估算了小波滤波的层数。
参考来源 - 超薄金属薄带厚度测量系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A new method of fault diagnosis of in-situ sampled vibration signals is introduced for the non-stationery signals of rotating machines by using the harmonic wavelet filtering.
针对旋转机械非平稳信号的特点，提出采用谐波小波滤波对现场采集的振动信号进行故障诊断的新方法。
Experiments show that wavelet filtering can enhance the small fault detection capacity and detect more timely compared with exponentially weighted moving average (EWMA) filter.
实验表明，小波滤波法能提高小故障的检测能力，而且与指数权重滑动平均滤波法相比更具有故障检测的及时性。
This paper attempts to preprocess ultrasonic signal by wavelet filtering based on the mathematical model of the ultrasonic echo, extracts weak echoes from signal with high noise background.
在超声反射回波的数学模型基础上，利用小波滤波方法对超声信号进行预处理，提取强噪声背景中的弱回波信号。
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