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.
论文对基于声弹性原理的温度应力测量方法进行理论推导，得出适用于测量应力的超声波型和理论公式。
The paper presents a theoretic deduce to the stresses measurement based on acoustoelasticity theory, and worked out the mathematic formulas of the measurement.
此外，用温度补偿模块修正超声波传递误差，提高系统测量精度。
In addition, the compensation module was used to amend ultrasonic transmission error for improving system accuracy.
介绍了超声波液位测量系统的工作原理和系统框图，给出了详细的超声波发射电路和环境温度采样电路。
The principles and the frame of the system to measure liquid height by ultrasonic is presented. The circuit of exciting ultrasonic and sampling environmental temperature is detailed.
通过对测量过程中可能产生的误差进行了分析，提出了利用单线温度传感器DS1820测量雨水温度，实现对超声波传输速度的精确计算，达到准确测量雨量的设计要求（优于1%）。
Inaccuracy in the process of measurement is analyzed. It is brought forward that temperature of rainfall is measured by the single-wire temperature sensor DS1820. So the velocity of the ultrason…
通过对测量过程中可能产生的误差进行了分析，提出了利用单线温度传感器DS1820测量雨水温度，实现对超声波传输速度的精确计算，达到准确测量雨量的设计要求（优于1%）。
Inaccuracy in the process of measurement is analyzed. It is brought forward that temperature of rainfall is measured by the single-wire temperature sensor DS1820. So the velocity of the ultrason…
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