Radar Attenuation Mitigation via Frequency and Steering Adjustment
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Solution Overview
Problem
Radar systems face performance degradation due to attenuation by external housings or materials, limiting their effective range and accuracy in detecting targets, especially when power is limited and material changes are not feasible.
Innovation Solution
The radar system determines the thickness and distance of an attenuator and adjusts its frequency and steering angle to mitigate signal attenuation, allowing effective detection of targets on the opposite side without increasing transmit power or altering the attenuator's material properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If transmit power is increased to compensate for attenuation, then detection range and accuracy improve, but power consumption increases beyond available limits
Solution Approach 1:
The patent changes the frequency parameter of the radar signal to optimize penetration through the attenuator. By selecting a specific frequency range, the system achieves better signal transmission through the housing material without increasing transmit power, thus improving detection accuracy while maintaining power consumption within available limits.
2Adaptability or versatility
If the radar system operates through the attenuator housing, then integration within electronic devices is enabled, but signal attenuation increases reducing effective range
Solution Approach 1:
The patent modifies the operating frequency parameter of the radar signal to compensate for attenuation caused by the housing material. This allows the radar to maintain effective range while operating through the attenuator, enabling integration within electronic devices without sacrificing detection capability.
3Loss of energy
If material properties of the attenuator are changed to reduce attenuation, then radar signal transmission improves, but manufacturing cost and device complexity increase
Solution Approach 1:
Instead of changing the material properties of the attenuator housing, the patent changes the frequency parameter of the radar signal. This approach reduces signal attenuation while avoiding increased device complexity or manufacturing costs, as it requires only software-based frequency selection rather than physical material modifications.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances radar performance by reducing attenuation to within 30% of minimum levels, improving detection accuracy and range without power or material changes, making it suitable for various applications and environments.
Implementation Method 1
The radar system transmits a radar signal using a frequency of the frequency range and a steering angle of the range of steering angles to detect a target
Implementation Method 2
The attenuator has a semi-transparent material that attenuates the radar signal
Data Source
AI summary
Techniques and apparatuses are described that enable radar attenuation mitigation. To improve radar performance, characteristics of an attenuator and/or properties of a radar signal are determined to reduce attenuation of the radar signal due to the attenuator and enable a radar system to detect a target located on an opposite side of the attenuator. These techniques are beneficial in situations in which the attenuator is unavoidably located between the radar system and a target, either due to integration within other electronic devices or due to an operating environment. These techniques save power and cost by reducing the attenuation without increasing transmit power or changing material properties of the attenuator.