Unverified75% confidenceDecision RuleTime unknown
测压步道(如GAITRite)采样率需≥120Hz才能准确捕捉双支撑相时间，60Hz低采样系统对快速步态或跑步分析会丢失关键相位数据
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Unverified采样率低于100Hz的设备不适合运动员爆发性动作或跑步步态分析，快速触地时相会因采样不足失真，跑步分析建议≥200Hz75% similarUnverified采样率是波形精度关键，诊断级设备采样率应≥1000Hz/导联，低于250Hz易丢失细微起搏信号和高频成分，起搏器患者需特别关注71% similarUnverified响应速度看两个指标：测量时间≤1秒为佳，但同样重要的是'距离容错'——好的额温枪在3~5cm范围内测量结果稳定，劣质款要求精确对准2cm否则读数跳变71% similarUnverified电竞选购认准刷新率≥144Hz且响应时间GtG≤1ms，同时看是否支持FreeSync/G-Sync防撕裂；VA面板即使标1ms实际拖影仍比IPS明显70% similarUnverifiedGNSS采样频率越高（如1秒记录）轨迹越精细，但耗电和存储占用越大；智能采样模式省电但转弯急弯处轨迹会被简化70% similar
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