Marine active phased array radar
A technology of phased array radar and phased array antenna, which is applied in the direction of utilizing re-radiation, radio wave reflection/re-radiation, measuring devices, etc. It can solve the problems of high false alarm rate, high product cost, and closed interface. Achieve the effect of reducing the peak power of the antenna, reducing the physiological impact, and reducing the amount of equipment
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Embodiment 1
[0043] Embodiment 1 A kind of marine active phased array radar
[0044] The marine active phased array radar is mainly composed of two parts: the radar host and the servo turntable.
[0045] The radar host mainly consists of an active phased array antenna, a radio frequency processing unit, a digital intermediate frequency unit, a digital processing unit and a power supply unit, and its composition block diagram is as follows figure 1 shown.
[0046] 1. Active phased array antenna
[0047] The active phased array antenna is mainly composed of a waveguide slot antenna, a T / R (Transmitter and Receiver) component, an antenna interface module (Antenna Interface Module) and a wave control / power distribution network, and is used for amplification and space scanning of radio frequency signals Low noise amplification of radiation, radar echoes. Capable of low sidelobe beamforming and power management, such as figure 2 shown.
[0048] in,
[0049] The waveguide slot antenna is c...
Embodiment 2
[0074] Embodiment 2 Application of Active Phased Array Radar Technology in Ocean Freighter Anti-Piracy Surveillance Radar Project
[0075] Merchant ships and cargo ships sailing in the ocean are distributed all over the world all year round. Once they encounter maritime security crises such as pirates, they are often unable to rescue them. Therefore, they need to improve their own independent defense capabilities. The use of active phased array technology enables the marine early warning radar to have fast scanning and early warning capabilities. Based on the platform of a large multinational marine company, this project designed and installed active phased array radars on thousands of large-tonnage ocean-going ships, which met the design indicators and met the needs of users.
[0076] The marine surveillance radar using active phased array technology can quickly scan and find targets in the range of 360° in azimuth and 0° to 70° in elevation, the working distance can reach 40...
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