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A Phased Array Radar

A phased array radar and radar technology, applied in the field of phased array radar, can solve the problems of increased difficulty and cost, high cost, inconvenient use of radar, etc., and achieve the effect of saving cycle and cost, flexible configuration and low cost

Active Publication Date: 2020-12-29
BEIJING CHANGFENG BROADCASTING COMM EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the complexity of the frequency conversion circuit in the digital transmit / receive (T / R) component of the current digital array radar, when you want to change the detection frequency band of the radar, you need to redesign the circuit and the radar; at the same time, if the radar fails, maintain or replace it. The process increases difficulty and cost, which will cause a lot of inconvenience and high cost in the use of radar

Method used

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  • A Phased Array Radar
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  • A Phased Array Radar

Examples

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Embodiment 1

[0024] figure 1 It is a schematic structural diagram of a phased array radar provided by Embodiment 1 of the present invention. This embodiment can be applied to the situation of radar construction, such as figure 1 As shown, the radar specifically includes: a back-end signal processing module 12 and one or more array units 10; the array unit 10 is connected to the back-end signal processing module 12; wherein, the array unit 10 includes: TR analog A front-end unit 101 (T is transmit, transmitting; R is receiving, receiving) and one or more antenna units 102 corresponding to the TR analog front-end unit 101 . The number of antenna units 102 can be designed according to the specific requirements of the radar, for example, the design can be adjusted according to the frequency band covered by the radar and the system comprehensive index.

[0025] Among them, the back-end signal processing module 11 is mainly used to process signals and configure specific parameters in the array ...

Embodiment 2

[0042] image 3 It is a schematic structural diagram of a phased array radar provided in Embodiment 2 of the present invention, as shown in image 3 As shown, on the basis of the above embodiments, optionally, the radar further includes: a fixing frame device 13 for supporting and fixing the array unit 10 and the back-end processor module 11 . Among them, the specific structure of the radar includes: both the array unit 10 and the back-end processor module 11 can be fixed on the fixed frame device 13, especially when the radar needs to be constructed with multiple array units 10, they can be arranged and installed on the fixed device 13 A plurality of array units 10 . Wherein, the back-end processor module 11 and the TR analog front-end unit 101 can be connected through a quick plug-in device 105 for data transmission. According to the volume, power and frequency band requirements of the radar design, the number of array units and the installation location can be obtained th...

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Abstract

An embodiment of the invention discloses a phase array radar which comprises a backend signal processing module and one or a plurality of array units. The array units are connected with the backend signal processing module, wherein the array unit comprises a TR analog frontend unit and one or a plurality of antenna units which correspond with the TR analog frontend unit. The TR analog frontend isconnected with the antenna unit through a quick plug-in device. In the embodiment of the invention, the array unit can be a basic constitutional unit with a lowest detecting array surface of the phased array radar. The phased array radar has advantages of small size, flexible configuration and low cost. Dense array configuration and sparse array configuration can be realized according to differentradar services, thereby realizing tile type integration of the array elements of the phased array radar. Furthermore adjustment of the radar function can realize a series of products through reconstruction of basic array units. A period and cost for constructing the radar system are greatly saved.

Description

technical field [0001] The invention relates to the technical field of radar, in particular to a phased array radar. Background technique [0002] Radar is the transliteration of English Radar (radio detection and ranging, radio detection and ranging), which uses radio methods to find targets and determine their spatial positions. Therefore, radar is also called "radiolocation". Radar is an electronic device that uses electromagnetic waves to detect objects. The radar emits electromagnetic waves to irradiate the target and receives its echo, thereby obtaining information such as the distance from the target to the electromagnetic wave emission point, the distance change rate (radial velocity), azimuth angle, and altitude angle. [0003] Digital array radar is also phased array radar, but compared with traditional phased array radar, it abandons the power divider, phase shifter and attenuator, as well as a large number of power cables and control cables widely used in tradi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S13/02G01S7/02
CPCG01S7/02G01S13/02G01S2013/0236
Inventor 王志宇蔡晓葳刘巍霍彦波冀石勇王银辉段东辉付浩然张乐
Owner BEIJING CHANGFENG BROADCASTING COMM EQUIP
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