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Narrow-beam low-sidelobe antenna array for automobile auxiliary driving system

A driving system and antenna array technology, applied in the field of narrow-beam and low-sidelobe antenna arrays, can solve problems such as difficult to achieve power distribution phase consistency, complex feed network design, etc., to avoid large impedance conversion ratios, achieve radiation performance, and simplify effect of complexity

Pending Publication Date: 2022-07-08
CHONGQING UNIV OF POSTS & TELECOMM
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  • Claims
  • Application Information

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Problems solved by technology

Although this solution can meet the design requirements, the difficulty is that the design of the feed network is relatively complicated, and it is difficult to realize the power distribution between each unit and ensure the phase consistency

Method used

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  • Narrow-beam low-sidelobe antenna array for automobile auxiliary driving system
  • Narrow-beam low-sidelobe antenna array for automobile auxiliary driving system
  • Narrow-beam low-sidelobe antenna array for automobile auxiliary driving system

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Embodiment Construction

[0033] The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only used to illustrate the basic idea of ​​the present invention in a schematic manner, and the following embodiments and features in the embodiments can be combined with each other without conflict.

[0034] Among them, the accompanying drawings are only for illustrative description, and represent only schematic diagrams, not physical drawings, and should not be co...

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Abstract

The invention relates to a narrow-beam low-side-lobe antenna array for an automobile auxiliary driving system, and belongs to the technical field of automobile electronic system transmitting and receiving. The antenna array comprises a 8 * 8 antenna array formed by 64 rectangular microstrip patch units, an impedance conversion line for adjusting unit input impedance and a microstrip feed network for unit feed, based on the Chebyshev array comprehensive theory, the impedance value of the required antenna unit is calculated in combination with a circuit model; the four antenna units with different input impedances are reasonably arranged to form an 8 * 8 antenna array; the antenna units are arranged according to the interval of one medium wavelength; all the antenna units are connected through the T-shaped structures, and antenna unit feeding is achieved. According to the invention, the complexity of the feed network design in the microstrip low-sidelobe array antenna design is reduced, and the radiation performance of the antenna array low sidelobe is ensured.

Description

technical field [0001] The invention belongs to the technical field of transmission and reception of automotive electronic systems, and relates to a narrow-beam low-sidelobe antenna array for an automotive auxiliary driving system. Background technique [0002] With the rapid development of automotive electronics, the demand for radar sensors in automotive assisted driving systems has gradually increased. Antennas are an indispensable key component in traditional radar sensors, and their performance directly affects the overall performance of the system. Because microwave and millimeter-wave antennas have the advantages of low cost and easy integration, they are widely used in automotive assisted driving systems. In the design process of these antennas, it is inevitable to optimize the design of their radiation patterns, so as to achieve the best radiation performance of the antennas. The suppression of the antenna sidelobe level is an important research point to optimize i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/32H01Q9/04H01Q21/00H01Q21/06
CPCH01Q1/3233H01Q21/0006H01Q21/0075H01Q21/065H01Q21/00H01Q9/045
Inventor 王斌向臻郝宏刚尹波罗伟
Owner CHONGQING UNIV OF POSTS & TELECOMM
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