... 环绕扫查 orbital scanning 脉冲回波技术 pulse echo technique 脉冲反射技术 reflection（pulse）technique ...
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本文介绍一种微机控制的声速与温度关系测量系统。温度测量应用热电偶测温原理，声速测量采用脉冲回波技术。
This paper presents a system which combines the measurement of ultrasonic velocity and temperature based on a single board microcomputer.
激光回波信号采集和处理技术是激光脉冲成像的关键技术。
The laser echo acquiring and processing technique is a key technique in laser pulse imaging.
本文提出了一种利用大动态范围脉冲幅度自动增益控制技术和数字波形存储技术，实现水下目标信号存储和目标回波波形模拟的方法。
A method for acoustic signal storage and simulation of underwater target is presented in this paper. The techniques of large dynamic pulse gain control and digital waveform storage are applied.
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