Radar anti-shielding interference waveform design method
A waveform design and waveform technology, applied in the field of radar detection, can solve problems such as anti-masking interference, and achieve the effects of avoiding shading interference, avoiding poor robustness factors, and high stability
Active Publication Date: 2021-03-23
HARBIN INST OF TECH AT WEIHAI
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[0004] In view of the above problems, the present invention proposes a radar anti-shading interference waveform design method to solve the waveform anti-shading interference problem of different suppression interval levels under the interference of multiple non-cooperative strong scatterers
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[0051] Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in this specification. It should be understood, however, that in developing any such practical embodiment, many implementation-specific decisions must be made in order to achieve the developer's specific goals, such as meeting those constraints related to the system and business, and those Restrictions may vary from implementation to implementation. Furthermore, it should be understood that development work, while potentially complex and time-consuming, would nevertheless be a routine undertaking for those skilled in the art having the benefit of the teachings herein. Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the device structure and / or processing steps closely related to the so...
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The invention discloses a radar anti-shielding interference waveform design method, relates to the technical field of radar detection, and is used for solving the problem of waveform anti-shielding interference of different suppression interval levels under the interference of multiple non-cooperative strong scatterers. The method comprises the following steps: initializing and constructing a constant modulus phase encoding waveform set; constructing a corresponding target function according to the estimated sidelobe interference interval; and solving the target function by using a multi-pointprojection algorithm to obtain an optimal waveform. According to the method, the radar waveform is designed by adopting a multi-point projection algorithm, so that the method has better waveform design robustness and lower related sidelobes, and the defect of poor stability of non-convex mathematical solution caused by a waveform constant modulus is overcome. By applying the multi-point projection constant modulus waveform coding design method provided by the invention, the conventional radar and the MIMO radar can have better detection performance.
Description
technical field [0001] The invention relates to the technical field of radar detection, in particular to a radar anti-shading interference waveform design method. Background technique [0002] In modern warfare, African cooperative "reconnaissance" drones are playing an increasingly important role. As an important detection tool for countermeasures, ground-based radars have become the key to improving radar combat performance and battlefield survivability. important means. Especially in the shadow of strong scatterers such as lighthouses and high-rise buildings, the detection of small scintillation targets is becoming an important aspect of time-domain waveform design; at the same time, in order to make full use of the radar transmitter power, the waveform constant mode model has also become an objective requirement. To avoid the shading effect of strong scatterers, the waveform needs to have low autocorrelation sidelobes; the current representative solution is the cyclic a...
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CPCG01S7/36
Inventor 赵宜楠冯翔李风从张朝林赵占锋周志权
Owner HARBIN INST OF TECH AT WEIHAI