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Random forming of the monitoring zone of ultrasound measurement and control apparatuses by adapted control of the sensitivity response of the ultrasound receiver
Random forming of the monitoring zone of ultrasound measurement and control apparatuses by adapted control of the sensitivity response of the ultrasound receiver
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机译:通过适当控制超声接收器的灵敏度响应,随机形成超声测控装置的监视区域
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摘要
The intensity of ultrasound signals which are processed in conjunction with ultrasound propagation time measurement apparatuses reduces in accordance with a non-linear function with increasing propagation time. According to the invention, a control signal of any desired function is produced such that any desired gain function can be produced in the receiver amplifier as a function of time. The sensitivity of the receiver can thus be adapted in freely definable zones such that the desired gain ratios exist within this zone.
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