测距仪发明的原理 测距仪怎么用

Release time：2022-10-26
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　　测距仪，是指一种测定飞机和地面应答台之间斜距的无线电导航设备。它由机载询问机和地面应答台组成。利用测定电波从飞机到电台之间往返所需时间来决定两者之间距离的方法。接下来，Ameya360电子元器件采购网详细为你说下测距仪发明的原理 测距仪怎么用

测距仪发明的原理 测距仪怎么用

　　1.测距仪发明的原理

　　激光测距仪一般采用两种方式来测量距离：脉冲法和相位法。脉冲法测距的过程是这样的：测距仪发射出的激光经被测量物体的反射后又被测距仪接收，测距仪同时记录激光往返的时间。光速和往返时间的乘积的一半，就是测距仪和被测量物体之间的距离。脉冲法测量距离的精度是一般是在+/- 1米左右。另外，此类测距仪的测量盲区一般是15米左右。

　　2.测距仪怎么用

　　1、首先要给激光测距仪装上电池，直接充电的，使用前先把电充满。

　　2、然后每一个激光测电仪都会有一个电源开关。

　　3、通过目镜可看到测距仪处于待机状态，再次测量前还要选择好单位。

　　4、长按模式键，直接选择想要的单位。

　　5、通过测距仪目镜中的内部液晶屏显示，瞄准被测物体。

　　6、确定瞄准之后，轻按发射键 。

　　7、如果被测物体不是很清晰，通过=-2屈光度调节器，调节被测物体远近的清晰度。

　　8、最后通过顺转或逆转调节远近。


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