采样端固定在旋转构件上，将传感器输出信号进行信号调理和模数转换，并利用无线数字传输技术将数据发送到接收端；

The sampling part, which is fixed in a revolving component, processes and digitalizes signals from sensors and sends out the data by wireless transmission technology.

youdao

多数无线电技术使用模拟信号，而现代无线远程通讯使用数字传输。

While most radio technologies have used analog signals, modern wireless telecommunications are using digital transmissions.

youdao