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Advanced Signal Processing Techniques for Enhanced Hit Detection in VELO Sensor Systems

This document outlines state-of-the-art methods in DSP processing for addressing common challenges in the operation of VELO sensor systems. Key topics include MCMS and LCMS spill-over rejection techniques, the implementation of pedestal following and subtraction across multiple ADC channels (ADC0-ADC3) with 128 pedestals and strip masks. The focus on hit detection through zero-suppression and serialization using GBTX emphasizes efficient data handling. Additionally, the framework includes 256 on-chip memory registers for formatted data storage with adjustable thresholds.

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Advanced Signal Processing Techniques for Enhanced Hit Detection in VELO Sensor Systems

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  1. SALT DSP processing Commoncore part MCMS + LCMS Spill-overRejection PedestalFollowing& Subtraction ADC0 ADC1 ADC2 ADC3 128pedestals 128 strip masks Hit detectionth. 2 + 2? 128samples (on chip mem.) . . . . . . VELO Det. Specific Reordering VELO Φ-typeSensors Zero-Suppression Serialization GBTX (other) ADC127 ZS Bank Formatting 256 registers (on chip mem.) 128 ‘inclusion’ or ‘low’ thresholds

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