Device and method for detecting moth passage of trunk moth in trunk

The invention provides a device and a method for detecting a moth passage of trunk moths in a trunk, and belongs to the field of tree detection. The invention provides an automatic device and method for detecting the moth passage of trunk moths in the trunk, which is diversified in measurement data, small in error, high in accuracy, good in imaging effect, portable and lightweight, and wide in adaptability. In the device provided by the invention, a PCB control module is disposed in a shell, the shell is detachably connected with an elastic band through an elastic band interface, the elastic band is provided with an antenna interface and is fixedly connected with an antenna through the antenna interface, the antenna is connected with the PCB control module, and a power source supplies power to the PCB control module; the elastic band is sleeved on the trunk; corresponding frequency is set by the PCB control module, and modulation is performed to generate a required synchronization pulse signal and is transmit