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在闭环功能性神经肌肉电刺激(FNS)辅助截瘫患者行走中,需要参考描述行走周期腿运动的轨迹。这些参照轨迹被定义为两节段之间的角度变化,它通过一种电测角计进行测定,对于每条腿,在缓慢行走期间,每个正常人的髋部、膝部和踝部的轨迹被测定,并在许多周期后取样。此外,脚接触地面要与各种行走轨迹同步进行测定。经过许多行走周期后对每个关节的角度轨迹进行平均,用基于离散Fouricr变换(DFT)的插入法和反DFT技术扩充所有的信号到同样的长度。这样,每个试验获得一种平均行走周期,每一种行走周期中有六种平均腿部运动轨迹。对于慢步和
In closed-loop functional neuromuscular stimulation (FNS) assisted paraplegia patients walking, the need to refer to describe the walking cycle leg movement trajectory. These reference trajectories are defined as the change in angle between two segments as determined by an electrical goniometer, for each leg, during slow walking, at the hip, knee, and ankle of each normal Tracks are measured and sampled after many cycles. In addition, the foot contact with the ground to be synchronized with a variety of walking trajectory determination. After many walking cycles, the angular trajectories of each joint were averaged and all signals were expanded to the same length using discrete Fouricr transform (DFT) based interpolation and anti-DFT techniques. In this way, an average walking cycle is obtained for each trial, with six average leg track movements for each walking cycle. For slow pace and