Due to these correcting devices, the signal of ultrasonic echo waves becomes relatively complicated. Compare to the traditional threshold method to distinguish the signal and detect the time, complete data sampling is adopted.
由于引入了这些校正装置,超声回波信号变得相对复杂。
参考来源 - 动态自校正超声液位测量系统研究与实现Then after analyzing the received ultrasonic echo,the main characteristics of them are summarized first.
通过对接收到的超声回波的分析,总结得出回波的主要特性。
参考来源 - 基于回波包络的超声波入侵探测方法·2,447,543篇论文数据,部分数据来源于NoteExpress
The deformation information is obtained from ultrasonic echo time delay.
软组织的形变信息是通过超声回波延迟时间得到的。
Due to these correcting devices, the signal of ultrasonic echo waves becomes relatively complicated.
由于引入了这些校正装置,超声回波信号变得相对复杂。
Using the time-gain compensation and peak time detecting technique, the arrival time of ultrasonic echo can be correctly detected.
采用了时间增益补偿技术和峰值时间检测技术,可正确检测超声波回波的到达时间。
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