另外，实时测量环境温度对超声波传播速度加以修正，从而大大提高了测量精度。
In addition, the real-time environmental temperature is also measured to calibrate the speed of ultrasonic, and the measures can improve measuring precision greatly.
分析了空气中超声波测距原理，提出了通过温度测量修正超声波传播速度，提高空气中测量精度的方法。
The principle of ultrasonic measuring distance in the air was analyzed. A method of improving the measurement precision by correcting transmission speed with inspecting temperature was put forward.
另外，实时测量环境温度对超声波传播速度加以修正，从而大大提高了测量精度。
In addition, the real-time environmental temperature is also measured to calibrate the speed of ultrasonic, consequently, improve measuring precision greatly.
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