Object recognition method for radar system

Abstract

The invention provides an object identification method for a radar system, and the method comprises the steps: S1, carrying out the up-conversion of an initial signal generated by the radar system, and obtaining a frequency mixing signal; s2, suppressing out-of-band stray of the frequency mixing signal to obtain a transmitting signal, and transmitting the transmitting signal to an object to be detected; s3, acquiring an echo signal returned to the object to be detected, filtering the echo signal, and extracting Doppler information in the filtered echo signal to obtain a final signal; and S4, judging the signal curve and frequency of the final signal, and determining whether the to-be-detected object is an aircraft object or a non-aircraft object. The method can distinguish whether the to-be-detected object is an aircraft object or a non-aircraft object, and compared with a traditional radar positioning mode, the method not only can recognize a large aircraft, but also can detect and recognize small aviation days such as an unmanned aerial vehicle, can distinguish small flyers and natural organisms such as birds, and makes up for the shortages of radar for small aircrafts.

Description

technical field

[0001] The present disclosure relates to the technical field of radar systems, and in particular, to an object recognition method for a radar system. Background technique

[0002] With the rapid development of science and technology in recent years, the unmanned aerial vehicle industry is undergoing an era of change with the joint promotion of the entire industry. The advantages of "low, small and slow" aircraft also provide great convenience for criminals to conduct illegal and criminal activities. As the most important detection method, radar, the detection and research of drones has reached an imminent and critical juncture.

[0003] The conventional radar detection method is to identify the overall distance and direction of the target. The resolution rate is low, and the output image is a point value. When targeting small aircraft, it is impossible to distinguish birds and aircraft, resulting in omissions, false alarms and other problems.

[0004] There ...

Examples

Embodiment Construction

[0033] Hereinafter, embodiments of the present disclosure will be described with reference to the accompanying drawings. It should be understood, however, that these descriptions are exemplary only, and are not intended to limit the scope of the present disclosure. In the following detailed description, for convenience of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. It will be apparent, however, that one or more embodiments may be practiced without these specific details. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present disclosure.

[0034] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the present disclosure. The terms "comprising", "comprising" and the like used herein indicate the presence of s...

technical field

[0001] The present disclosure relates to the technical field of radar systems, and in particular, to an object recognition method for a radar system. Background technique

[0002] With the rapid development of science and technology in recent years, the unmanned aerial vehicle industry is undergoing an era of change with the joint promotion of the entire industry. The advantages of "low, small and slow" aircraft also provide great convenience for criminals to conduct illegal and criminal activities. As the most important detection method, radar, the detection and research of drones has reached an imminent and critical juncture.

[0003] The conventional radar detection method is to identify the overall distance and direction of the target. The resolution rate is low, and the output image is a point value. When targeting small aircraft, it is impossible to distinguish birds and aircraft, resulting in omissions, false alarms and other problems.

[0004] There ...

Examples

Embodiment Construction

[0033] Hereinafter, embodiments of the present disclosure will be described with reference to the accompanying drawings. It should be understood, however, that these descriptions are exemplary only, and are not intended to limit the scope of the present disclosure. In the following detailed description, for convenience of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. It will be apparent, however, that one or more embodiments may be practiced without these specific details. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present disclosure.

[0034] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the present disclosure. The terms "comprising", "comprising" and the like used herein indicate the presence of s...

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