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JSSC 2021第3期Power Management

A 178-MSs Compressed Sensing Radar Accelerator Using a Spiking Neural Network Pe

一种基于脉冲神经网络的压缩感知雷达加速器,显著提升目标距离和速度估计精度
200,000次场景重建/秒,精度提升6倍,吞吐量提升8倍,能效提升18倍
压缩感知脉冲神经网络雷达处理器基追踪去噪硬件加速
使用生物启发的脉冲神经网络求解基追踪去噪问题
独特的权重压缩技术实现片上存储全连接网络权重
高吞吐量实时场景重建能力
Abstract
A prototype compressed sensing radar processor boosts the accuracy of target range and velocity estimations by over 6 × compared with conventional processing techniques. The prototype numerically solves basis pursuit denoising with a biologically plausible spiking neural network. A unique form of weight compression allows on-chip storage of all weights for the large fully connected network. Capable of producing over 200 000 range–velocity scene reconstructions per second, the prototype improves