Radar Beam Direction Control for Adaptive Platform RCS
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Solution Overview
Problem
Existing technologies for controlling radar contact between a platform and a radar source are limited in their ability to adapt in real-time and manage a platform's radar signature effectively, as they lack access to necessary radar and orientation parameters.
Innovation Solution
An apparatus installed on a platform, comprising a steering module that has access to the platform's orientation and RCS parameters, detects radar beams, and controls physical mechanisms to alter the platform's orientation and radar signature in real-time, according to radar signature management objectives.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If physical control mechanisms are used to reduce radar signature, then radar observability is reduced, but the system lacks real-time adaptability
Solution Approach 1:
The patent applies dynamics by making the platform's orientation adjustable and controllable in real-time. The steering module dynamically modifies the platform's orientation parameters (yaw, pitch, roll) based on detected radar beam characteristics, allowing the radar cross-section to be actively managed rather than fixed by static physical modifications.
Solution Approach 2:
The patent changes the orientation parameters of the platform (yaw angle, pitch angle, roll angle) to control the radar signature. By adjusting these parameters in response to detected radar beams, the system dynamically alters its radar cross-section without requiring physical modifications to the platform structure.
2Object-affected harmful factors
If corner reflectors or repeaters are added to enhance RCS, then radar signature is increased, but device complexity and space requirements increase
Solution Approach 1:
The patent replaces mechanical/physical modifications (corner reflectors, repeaters) with a control system that uses the platform's existing physical control mechanisms (rudders, ailerons, flaps) to adjust orientation. This substitutes complex structural additions with a software-controlled steering module that manipulates orientation parameters to achieve desired radar signature effects.
3Adaptability or versatility
If radar signature management is implemented, then operational flexibility is improved, but access to radar and orientation parameters is required
Solution Approach 1:
The steering module serves multiple functions: it controls the platform's orientation for normal navigation and simultaneously manages the radar signature by adjusting orientation parameters. This multi-functionality allows the same control system to address both navigation requirements and radar observability management without requiring separate dedicated systems.
Solution Approach 2:
The system implements feedback by detecting radar beam parameters (angle of arrival, frequency, polarization) and using this information to adjust the platform's orientation. The steering module continuously monitors radar contact and modifies orientation parameters in response, creating a closed-loop control system that adapts to changing radar threats.
Data Source
AI summary
Apparatus for and method of using derived information about the direction of propagation of an incoming radar beam to control radar return. The information about the direction of propagation of the incoming radar beam is used to alter aspects of a platform's orientation to control the cross section presented to the radar.