Universal Coherent Technique Generator for Electronic Warfare
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Solution Overview
Problem
Electronic Warfare (EW) systems face challenges in quickly generating customized and complex responses to rapidly evolving RF threats, requiring enhanced capabilities to counter advanced radar techniques and process vast amounts of data in real-time.
Innovation Solution
The EW system employs a modular architecture with pulse generation circuitry that modulates threat pulses in amplitude, frequency, phase, and timing based on stored parameters, using modules for pulse stretching, range modulation, velocity modulation, and amplitude modulation, allowing for flexible and adaptive countermeasures such as Range Gate Stealer/Range Gate Pull Out, pseudorandom, and Range Bin Masking modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If radar detection techniques become more advanced to detect vehicles, then detection precision is improved, but electronic warfare systems face increasing complexity in generating countermeasures
Solution Approach 1:
The system dynamically adjusts waveform parameters (amplitude, frequency, phase, timing) in real-time based on detected threat characteristics. The pulse generation circuitry modulates stored threat pulses with dynamically calculated parameters to create adaptive countermeasures that respond to evolving radar detection techniques.
Solution Approach 2:
The invention changes multiple waveform parameters simultaneously including amplitude modulation, frequency modulation, phase modulation, and timing adjustments. These parameter changes enable the EW system to generate diverse countermeasures against advanced radar detection without increasing hardware complexity.
2Reliability
If the EW system processes massive amounts of RF data in real-time to counter advanced radars, then response effectiveness is improved, but processing time and computational load increase
Solution Approach 1:
The system pre-stores captured threat pulses in memory before they are needed for countermeasures. By storing the raw threat pulse data in advance and only performing simple modulation operations when a countermeasure is needed, the system avoids time-consuming real-time signal acquisition and processing.
Solution Approach 2:
The pulse generation circuitry creates copies of stored threat pulses and applies modulation to these copies rather than processing the original signals. This copying approach allows rapid generation of countermeasures from pre-stored templates with minimal real-time computation.
3Speed
If the system uses pre-stored parameters to generate waveforms quickly, then response speed is improved, but adaptability to new RF threats decreases
Solution Approach 1:
The system dynamically updates the modulation parameters applied to stored pulses based on the characteristics of newly detected threats. When a new RF threat is identified, the system extracts its characteristics and adjusts the parameters of stored pulse templates to match the new threat profile, enabling rapid adaptation without reprogramming.
Solution Approach 2:
The pulse generation circuitry uses a universal set of stored threat pulses that can be adapted to counter multiple different radar threats through parameter modulation. A single stored pulse template can be modulated with different parameters to effectively counter various types of radar threats, providing versatility without requiring separate pre-stored parameters for each threat type.
Data Source
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AI summary
Devices and methods of providing response pulses in response to threat pulses are general described. The threat pulses are detected, identified and validity determined using reprogrammable firmware. Threat pulses are extracted from memory and the amplitude, frequency, phase, length and timing modified to generate a coherent set of superposed response pulses in response to the threat pulses. The modifications are calculated in situ using parameterization, rather than being based on tables. Multiple response pulses in response to different threat pulses are simultaneously generated, combined and transmitted in a single channel. Partial pulse capability and the capability to create a weighted and modulated composition of multiple response pulses is provided.