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A dipole antenna and radar system technology, applied in the field of signal processing, can solve the problems of inadaptability to miniaturization of wireless communication terminals, narrow frequency band of ordinary dipole antennas, large space occupation, etc., and achieve novel design and precise signal receiving function , the effect of enhancing the bandwidth
Inactive Publication Date: 2015-02-25
WUXI WISEN INNOVATION TECH
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However, the frequency band of ordinary dipole antennas is very narrow. Some new dipole antennas, such as biconical antennas and double dipole antennas, have obvious bandwidth expansion, but their structures are complex and occupy a large space, which is not suitable for wireless communication. terminal miniaturization
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[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0025] Those skilled in the art can understand that the relevant modules involved in the present invention and the functions realized are carried out on the improved hardware and the device, device or system formed by it, by carrying conventional computer software programs in the prior art or The relevant agreement can be realized, and it is not an improvement on the computer software program or the relevant agreement in the prior art. For example, an improved computer hardware system can still realize specific functions of the hardware sys...
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Abstract
The invention discloses a radar system using a dipole antenna. The radar system comprises a radar main antenna, a first radio frequency network, a first T / R assembly, a first frequency mixing module, a first receiver, an antenna control module, an auxiliary antenna, a second radio frequency network, a second T / R assembly, a second frequency mixing module, a second receiver, a drive module, a rotating table and an axis-angle encoder. The radar main antenna and the auxiliary antenna are located on the rotating table. The radar main antenna, the first radio frequency network, the first T / R assembly, the first frequency mixing module, the first receiver and the antenna control module are sequentially connected. The auxiliary antenna, the second radio frequency network, the second T / R assembly, the second frequency mixing module, the second receiver and the antenna control module are sequentially connected. According to the radar system, due to the design of combining the main antenna and the auxiliary antenna, signals of the radar system can be received more accurately, the problem of receiving faults caused by errors is reduced, the rotating table is controlled through encoding, the rotating angle of the rotating table is accurate, and the more accurate signal receiving function can be provided.
Description
technical field [0001] The invention discloses a radar system using a dipole antenna, which belongs to the technical field of signal processing. Background technique [0002] There have been amazing developments in antennas and radars in recent decades, but there have been no major breakthroughs in the Basic Academy. At present, the types and forms of antennas emerge in endlessly, the performance requirements are getting higher and higher, and the application fields are constantly expanding. The urgent needs of military equipment and the national economy promote and lead the rapid development of antenna theory and technology. In many fields of modern science and technology, Automatic control technology plays an increasingly important role. The so-called automatic control refers to the use of external equipment and devices to make it, equipment or production process automatically follow the predetermined law without the direct participation of people. In recent decades, the ...
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