Radar beam pointing and transmitting power allocation method
A technology of transmitting power and radar beam, which is applied in the field of radar tracking and can solve the problems of inability to achieve arbitrary multi-target accuracy requirements and single model design.
Active Publication Date: 2018-09-21
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology
[0004] The purpose of the present invention is to aim at the defects existing in the background technology, research and design a radar beam pointing and transmission power distribution method based on the tracking precision cost function, and solve the problem that the existing method model design is single, and the problem that arbitrary multi-target precision requirements cannot be achieved , to achieve reasonable management and control of radar system resources when multiple targets have different tracking accuracy requirements
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[0037] The present invention mainly adopts the method of computer simulation to verify, and all steps and conclusions are verified correctly on Matlab R2012b. Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0038] see figure 1 , a method for allocating radar beam pointing and transmission power of the present invention is realized through the following steps:
[0039] Step 1. Initialize the system parameters for the scene graph established by the radar with the preset inter-frame interval as the cycle, wherein the parameters include the radar position, any target position, any target speed, the radar inter-frame interval, the number of targets, and the radar at The maximum number of transmit beams per frame.
[0040] In this embodiment, the initialized parameter is the radar position (x, y), where x and y represent the coordinates of the radar on the X-axis and Y-axis, and the radar is the preset interval ...
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The invention provides a radar beam pointing and transmitting power allocation method and belongs to the technical field of radar tracking. The method designs a cost function related to tracking accuracy as an optimization objective, and is characterized by, to begin with, quantifying the difference between predicted tracking accuracy of each target and a preset tracking requirement as a binary cost function; then, with the cost function being as a target and by combining constraint boundary conditions of beam and power, establishing a high-dimensional optimization problem; and finally, solving the problem to obtain a reasonable allocation strategy for pointing and transmitting power of each beam. The method overcomes the defect that a target tracking accuracy requirement is not taken intoconsideration in the prior art, and effectively solves the problem of joint allocation of the beam and power under different target accuracy requirements, thereby realizing reasonable allocation of system resources when carrying out multiple-target tracking under any accuracy requirement.
Description
technical field [0001] The invention belongs to the technical field of radar tracking, in particular to a method for allocating radar beam pointing and transmitting power. Background technique [0002] Due to its multi-input and multi-output antenna characteristics, MIMO radar has many advantages and has become one of the research hotspots in the field of radar today. It can use multiple antennas to transmit and receive signals of different waveforms to obtain multi-dimensional gains. , has the characteristics of long range and strong anti-interference, and can be used in typical combat tasks such as area search and multi-target tracking. In short, as a new radar system, MIMO radar has great development potential in both civilian and military fields. [0003] For centralized MIMO radar, relative to the distance between the radar and the target, the distance between its receiving and transmitting antennas is very small, and each antenna can simultaneously transmit the same o...
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CPCG01S13/726
Inventor 孔令讲袁野王经鹤陈芳香易伟杨晓波杨建宇
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA