Light and low-profile two-dimensional active onboard weather radar

An airborne weather radar, light-weight technology, applied in the direction of climate sustainability, radio wave reflection/re-radiation, utilization of re-radiation, etc., can solve the power consumption, weight and volume of active antennas, which are difficult to meet the needs of passenger aircraft and Problems such as power consumption of transport aircraft and high power of TR channel have achieved good market application prospects, improved mission reliability, and improved functional performance.

Pending Publication Date: 2019-11-05
LEIHUA ELECTRONICS TECH RES INST AVIATION IND OF CHINA
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] However, the architecture of the traditional two-dimensional active radar is derived from the fire control radar. Under the condition that the installation space of the radar on the aircraft is limited, the number of TR channels of the radar is also limited. However, due to the high power consumption of the fire control radar (generally greater than 10000W), the power of a single TR channel is very large (generally greater than 10W), so a single TR is large in size, resulting in a large power consumption, weight and volume of the active antenna, and the product is difficult to meet the power consumption of passenger aircraft and transport aircraft Features such as low weight, light weight, small size and economy

Method used

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  • Light and low-profile two-dimensional active onboard weather radar
  • Light and low-profile two-dimensional active onboard weather radar
  • Light and low-profile two-dimensional active onboard weather radar

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Embodiment Construction

[0038] The present invention is further explained in conjunction with the accompanying drawings

[0039] Such as figure 1 Shown is a traditional flat-panel weather radar, which mainly includes a flat-panel antenna, antenna driver, transmitter, receiver and processor. Among them, the flat panel antenna is a structural part with light weight, which mainly realizes the transmission and reception of electromagnetic waves to the air; the servo mainly drives the rotation of the antenna in the azimuth and elevation dimensions; the transmitter is used to generate high-energy radio frequency signals; the receiver and processor Simulate and digitally process the echo signals respectively, so as to finally realize the analysis and display of dangerous meteorological targets. However, the airspace detection range of the flat-panel meteorological radar is mainly driven by the radar servo system to drive the flat-panel antenna to realize the direction of the beam in azimuth and elevation....

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Abstract

The invention provides a light and low-profile two-dimensional active onboard weather radar. The weather radar comprises a light two-dimensional active antenna unit, a low-power radio-frequency unit,a processing unit and an installation support, wherein the low-power radio-frequency unit is connected with the antenna unit by a screw, the processing unit is connected with the low-power radio-frequency unit by the installation support, and the processing unit is arranged on a base of the installation support by a screw. In the light and low-profile two-dimensional active onboard weather radar,a chip-type TR is used for substituting a traditional tile-type TR, the chip-type TR only can bear relatively low emission power, and the lightness and low profile of the two-dimensional active onboard weather radar antenna are achieved.

Description

Technical field: [0001] The invention belongs to the field of airborne weather radar in aviation systems, and in particular relates to a light-weight, low-profile two-dimensional active airborne weather radar Background technique [0002] Airborne weather radar is mainly equipped on civil passenger aircraft, civil transport aircraft and military large, medium and small transport aircraft. Low power consumption, light weight, small size and economy of weather radar are the basic requirements for its equipped platform. In view of this, most airborne weather radars are flat-panel weather radars (as shown in Figure 1), and the main components include flat-panel antennas, antenna drivers, transmitters, receivers, and processors. Among them, the flat panel antenna is a structural part with light weight, which mainly realizes the transmission and reception of electromagnetic waves to the air; the servo mainly drives the rotation of the antenna in the azimuth and elevation dimension...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/95G01S7/03
CPCG01S13/953G01S7/032Y02A90/10
Inventor 孟凡旺钱君于超鹏
Owner LEIHUA ELECTRONICS TECH RES INST AVIATION IND OF CHINA
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