在湖上试验中，该系统能稳定地跟踪水声目标，这说明信号微结构的提取方法是有效的，适合工程化应用。
That the system can stably track targets at lake test shows the signal micro-structure extraction is effective and can be implemented for engineering application.
超声背散射信号能提供反映组织微结构的有用信息。
Ultrasonic backscattered signals can provide useful information about tissue microstructures.
在高散射的生物组织图像中，散斑具有双重身份，即作为噪声源和作为组织微结构的信号载体。
In images of highly scattering biological tissues, speckle has a dual role as a source of noise and as a source of carrier of information about tissue microstructure.
图1有噪声信号的黄土微结构图像Fig。
图1有噪声信号的黄土微结构图像Fig。
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