MTI Radar Parallel Processing Segmentation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing moving target indicator (MTI) systems face limitations in detection range and are computationally expensive, often suffering from noise interference and inefficiencies in processing and communication.
Innovation Solution
The implementation of parallel processing techniques and enhanced beam sweeping algorithms in MTI radar systems, which reduce computational expense and complexity by avoiding expensive inter-processor communication and improving detection range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by stationary object
If traditional MTI systems use sequential processing with inter-processor communication, then detection range can be maintained, but computational expense and processing time increase significantly
Solution Approach 1:
The patent divides the MTI processing into separate functional modules: clutter rejection processing, Doppler processing, and target detection processing. Each module operates independently on its own data buffer without requiring inter-processor communication, thereby reducing computational overhead while maintaining detection range capability.
Solution Approach 2:
The system performs preliminary clutter rejection processing on received radar signals before Doppler processing and target detection. By pre-processing and removing clutter components early in the signal chain, the system reduces the computational burden on subsequent processing stages while preserving target detection sensitivity at extended ranges.
2Measurement precision
If MTI systems perform comprehensive signal processing to improve target detection accuracy, then detection precision increases, but processing complexity and computational cost increase
Solution Approach 1:
The patent implements separate functional processing modules for clutter rejection, Doppler analysis, and target detection. Each module handles specific processing tasks independently with dedicated data buffers, achieving comprehensive signal processing without increasing overall system complexity through modular architecture.
Solution Approach 2:
The system extracts and removes clutter components from radar signals through dedicated clutter rejection processing before subsequent target detection stages. By separating clutter removal as a distinct preprocessing function, the system achieves high detection accuracy without burdening the entire processing chain with complex clutter handling.
3Reliability
If MTI systems use multiple processing modules with data sharing, then detection capability improves, but inter-processor communication overhead increases
Solution Approach 1:
The patent creates distinct processing modules (clutter rejection, Doppler, target detection) with separate data buffers for each stage. This segmentation allows parallel processing of radar signals through multiple modules without requiring frequent data sharing or inter-processor communication, thereby maintaining detection capability while minimizing communication overhead.
Solution Approach 2:
Instead of sharing data buffers between processing modules, the system creates separate copies of data structures for each processing stage. Each module operates on its own dedicated buffer, eliminating the need for inter-processor data sharing and communication while maintaining full detection functionality through independent processing paths.
Data Source
AI summary
A moving target indicator radar system can include a radar transceiver. The system can further include processing circuitry. The processing circuitry can provide a command to move an antenna beam in an azimuth direction. The processing circuitry can further control the radar transceiver to transmit a series of pulses throughout antenna beam motion such that the series of pulses are assembled into Coherent Processing Intervals (CPIs) and such that for a possible target, sequential sets of CPIs are combined covering at least a 3 dB portion an azimuth beam. The processing circuitry can further detect at least one moving target in at least one CPI. Other apparatuses and methods are also described.