Sz Dji Technology Co., Ltd.

Chunming Wang

Xumin Wu

Heli Zhong

Qirong Deng

Junxi Wang

Bin Huang

Renli Shi

Guang Yan

Wenkang Zhang

Yao Zou

Di Gao

Huangjian Zhu

Wanren Zhou

Hongshi Tan

Wenxin Hu

The present disclosure provides a UAV control method. The method includes controlling an antenna device of a microwave radar of the UAV to transmit a microwave transmission signal and obtain a received signal, the microwave transmission signal and the received signal both being trapezoidal modulation waveforms, and one cycle of the trapezoidal modulation waveform including a frequency rising part, a frequency falling part, and a fixed frequency part; obtaining an intermediate frequency signal mixed by a frequency of the microwave transmission signal and the received signal to the radar controller, and determining whether the received signal is an interference signal based on the intermediate frequency signal; determining coordinate information of a detection target corresponding to the received signal if the received signal is not the interference signal; and updating a trajectory of the UAV based on the coordinate information of the detection target.

Microwave radar and unmanned aerial vehicle

A radar device includes a radar base and a radar module. The radar module is mounted at the radar base and configured to rotate relative to the radar base around a rotation axis. The radar module includes an antenna assembly, a signal processing circuit board, and a rotation installation base. The antenna assembly and the signal processing circuit board are arranged oppositely at an interval and jointly enclose to form an accommodation space. The rotation installation base is connected to the antenna assembly and the signal processing circuit board and is located in the accommodation space. The radar base is at least partially located in the accommodation space and arranged opposite to the rotation installation base.

Radar device and mobile platform

A method includes receiving first measurement data acquired by a radar based on radar signals reflected by a member of a movable device. The method also includes calculating an angle based on the first measurement data. The method also includes comparing the angle with a predetermined reference angle to obtain a difference. The method also includes adjusting an obstacle detection angle of the radar based on the difference. The method further includes causing the radar to scan an environment in the adjusted obstacle detection angle.

Method and apparatus for detecting radar wave offset

A method for controlling an unmanned aerial vehicle (UAV) includes receiving locking instruction information for locking the UAV; remotely controlling, based on the locking instruction information, a remote control device of the UAV to lock the UAV; and remotely controlling, after controlling the remote control device to lock the UAV, the remote control device to unlock the UAV.

Method for controlling unmanned aircraft, server, and remote control device

A method for controlling an unmanned aerial vehicle ('UAV') includes receiving locking instruction information from a user terminal for locking the UAV. The method also includes transmitting a locking command to a remote control device of the UAV based on the locking instruction information, to instruct the remote control device to lock the UAV based on the locking command.

An obstacle-avoidance control method comprises acquiring a distance between an unmanned aerial vehicle (UAV) and a front object in a flying direction of the UAV; and controlling a flying altitude of the UAV according to the distance between the UAV and the front object.

Obstacle-avoidance control method for unmanned aerial vehicle (UAV), flight controller and UAV

A weak target detection method includes transmitting a plurality of frequency modulated continuous wave signals during rotation of a microwave radar sensor, receiving a plurality of echo signals reflected by a weak target, accumulating the plurality of echo signals in a beam width of the microwave radar sensor to obtain an accumulated echo signal, and determining position information of the weak target according to the accumulated echo signal.

Weak target detection method, microwave radar sensor, and unmanned aerial vehicle

An operation method of an unmanned aerial vehicle (UAV) includes determining a distance between the UAV and a ground reflector in front of the UAV by using a radar wave emitted obliquely downward by a radar carried by the UAV, determining terrain information in front of the UAV according to the distance between the UAV and the ground reflector in front of the UAV, and adjusting one or more operation parameters of the UAV according to the terrain information.

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Shenzhen, China

Chunming Wang