Acquisition apparatus, acquisition system, and control method for multi-source aerial remote sensing data

A multi-source aerial remote sensing data acquisition apparatus, comprising:

• a flight platform and onboard equipment arranged on the flight platform;
• wherein
• the onboard equipment comprises:
• a multi-sensor ultra-compact integrated device, an onboard integrated synchronization control device, and a global navigation satellite system (GNSS) receiving antenna;
• the multi-sensor ultra-compact integrated device is connected to the onboard integrated synchronization control device via a cable, and the GNSS receiving antenna is arranged on an upper end face of the flight platform;
• the multi-sensor ultra-compact integrated device is configured to acquire multi-source remote sensing data;
• the onboard integrated synchronization control device is configured to control an operation of the multi-sensor ultra-compact integrated device;
• the GNSS receiving antenna is configured to convert radio signals transmitted by satellites into electrical current for use by receiver electronics;
• the multi-sensor ultra-compact integrated device comprises:
• a laser radar, a hyperspectral camera, a visible light camera, a thermal infrared camera, an inertial measurement unit (IMU), and a reference mounting plate;
• the reference mounting plate is provided with mounting reference edges of sensors and is configured to provide a mounting reference structure for a plurality of types of sensors;
• the laser radar, the visible light camera and the thermal infrared camera are all mounted at a lower end face of the reference mounting plate;
• the hyperspectral camera and the IMU are arranged at an upper end face of the reference mounting plate;
• the multi-sensor ultra-compact integrated device is formed by rigidly connecting and combining a plurality of types of remote sensing sensors through the reference mounting plate by adopting an upper and lower layered structure;
• the reference mounting plate is further provided with a tail support, a bottom mounting frame, a top mounting frame and a plurality of shock absorbers;
• the tail support is arranged on a lower end face of the reference mounting plate and is fixed on a side of the laser radar by first bolts;
• the bottom mounting frame is arranged on the lower end face of the reference mounting plate and is fixed to the side of the laser radar corresponding to the tail support by second bolts, and the visible light camera and the thermal infrared camera are fixedly connected to the bottom mounting frame by third bolts;
• the top mounting frame is arranged on an upper end face of the reference mounting plate and is fixedly connected to the hyperspectral camera by fourth bolts;
• and
• the plurality of shock absorbers are arranged at the lower end face of the reference mounting plate, positioned at four corners of the reference mounting plate, and fixedly connected to the reference mounting plate by fifth bolts, and the plurality of shock absorbers are configured to reduce an impact of platform vibration on sensors during flight.