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超声波B型显示接收系统的频带宽度与系统的纵向分辨率和信噪比有着密切的关系。本文在理想的条件下分析了系统的带宽对回波脉冲对的响应以及带宽与信噪比的关系,得出系统的视频带宽B以纵向分辨率表示的设计公式。
Ultrasonic B-type display receiver system bandwidth and system vertical resolution and signal to noise ratio is closely related. In this paper, under ideal conditions, the response of the system bandwidth to the echo pulse pair and the relationship between bandwidth and signal to noise ratio are analyzed. The design formula of the system video bandwidth B expressed in the vertical resolution is obtained.