| 摘要 |
PURPOSE: An underwater sensing system is provided to sense an object extensively by arranging a plurality of ultrasonic sensor parameters with an apposite curvature. CONSTITUTION: In an underwater sensing system, a pulse oscillator(100) generates a pulse signal to apply an electric signal to an ultrasonic sensor. An interface part(110) applies the pulse signal to the ultrasonic sensor and inputs a reflected wave signal focused to the ultrasonic sensor simultaneously. An ultrasonic sensor(130) receives the pulse signal to generate an ultrasonic signal and send the signal to the target object. The ultrasonic sensor receives the reflected signal to convert the signal into an electric signal. A part(140) of amplifying a received signal amplifies the electric signal input from the interface. A detecting circuit part(150) divides an image signal in the amplified signal. A part of amplifying the divided image signal is provided. A CRT(170) displays the image signal amplified and output from the part of amplifying an image signal. A synchronous circuit part(180) determines a period and phase of a horizontal and vertical electronic beam scanning to supply a synchronous signal to the pulse oscillator.
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