A radar system having improved estimation and a method thereof
By using an adaptive filter unit and model generation unit to create a hardware equivalent model for the radar system's Transmitter RF front end, the radar system addresses hardware variance issues, improving accuracy, SNR, and reducing interference, leading to enhanced performance and efficiency.
WO2025058581A1 Publication Date: 2025-03-20ULAK HABERLESME ANONIM SIRKETI
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Patent Information
- Application Number
- PCT/TR2023/051484
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2023-12-06
- Publication Date
- 2025-03-20
AI Technical Summary
Technical Problem
Radar systems face performance degradation due to hardware characteristic variances, leading to reduced Signal to Noise Ratio (SNR), accuracy, and increased inter-channel interference, especially in high-frequency operations.
Method used
The radar system incorporates an adaptive filter unit and a model generation unit to create a hardware equivalent model of the Transmitter RF front end, allowing for the generation of a reference signal that accounts for hardware characteristics, thereby improving the matching filter process.
Benefits of technology
This approach enhances the radar system's accuracy, SNR, and range-Doppler map performance, while reducing inter-channel interference, thereby enabling more efficient and prolonged operation.
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Abstract
A radar system (100) comprising a waveform generator (161) for generating a first signal; an Transmitter RF front end (110) for processing said first signal and outputting a second signal; at least a transmitting antenna (162) for transmitting said second signal; a receiving antenna (171) for receiving received second signal; a receiver RF front end (172) for processing received second signal; a baseband processing unit for comparing time shifted, received second signal and a reference signal stored in a memory unit (140) that is representing the first signal characterized in that comprising at least an adaptive filter unit (130) comprising at least an adaptive filter connected between input and output of the Transmitter RF front end (110) and configured to model said Transmitter RF front end (110) or said adaptive filter unit (130) comprising plurality of adaptive filters each connected between input and output of at least some of the processing components of Transmitter RF front end (110), each configured to model respective processing component of Transmitter RF front end; (110) a model generating unit (120) which is configured to receive model parameters from adaptive filter / s and generate a hardware equivalent model (150) for Transmitter RF front end; (110) model generating unit (120) is configured to apply the first signal to hardware equivalent model (150) and store acquired output signal as reference signal in a memory unit (140).
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