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手机是如何算出我们每天行走的步数?

点击数:梯阵 时间2019-05-30 11:22

很多手机APP的计步功能,每天的微信步数是怎么来的?准确吗?

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陀螺仪:可以测量出手机的角度,从而检测到人体重心的偏移。当人在行走的时候,手中或者口袋中的手机是会随着运动而出现角度偏移的,当陀螺仪检测到持续而且有规律的角度偏移时,手机就会开始判断用户正在走路。


加速度传感器:可以判断人在不同走路位置时的加速度变化,从而计算我们的活动。例如:当人走路时,会有一个比较稳定的非匀速加速度,和骑车时相对稳定的加速度完全不同。所以通过加速度传感器,也可以轻松判断人是在走路还是骑自行车。

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趣味小知识

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 95评论
 
知行观察社  科技领域创作者05-16 19:59
3

微信步数这个计步功能挺好用的,提倡健康生活的同时,让我们的锻炼也变得可视化,数据化。

陀螺仪原理

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加速度传感器

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为什么各大网络公司热衷于推出计步,希望大家使用这个功能?

XIANZAIYOUYIGECITEBIEDEHUO:DASHUJU。

NEIMEWOMENDEJIBUHEDASHUJUYOUSHENMEGUANXIMA?GUANXIQISHIFEICHANGDA,WOMENHULIANWANGGONGSIXUYAODALIANGDESHUJU。ZHEIXIESHUJUKEYISHENGCHENGDUISHIYONGZHEDEJUTIFENXI。JINERJINXINGYIXIESHANGYEHUODONG,RUJINGZHUNTUISONGGUANGGAO。

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BUDUANDESUANFASHUJUJILEI,ZUIZHONGJILEICHENGHULIANWANGGONGSIZHIDINGSHANGYECELVE,QIYEZHANLVEDEYIDAYINSU。

 评论
 
徒手健身的小男孩  健身领域创作者04-20 10:24
18

KEJIZAIJINBU,SHIDAIZAIFAZHAN,SHENGHUOSHUIPINGZAIBUDUANTIGAO,RUJINDERENYIBUZAIWEIWENBAOFACHOU,FANERDANXINGENGDUODESHIZIJIDESHENTIJIANKANG,SUIZHI,GEZHONGYUNDONG APP YINGYUNERSHENG,BUZHICONGHESHIQI,RENMENKAISHIREZHONGYUZAIPIAOQUANXUANYAOFAZIJIDEYUNDONGSHUJU,BUSHUGUOWANMAOSIYICHENGWEIYIGEYINGXINGBIAOGAN,RUGUOYOUSHEIJIZIJIDEWEIXINYUNDONGDIANLEZANJIUHUIKAIXINDEBUDELE,NEISHOUJIDAODISHIRUHEJISUANWOMENMEITIANZOULEDUOSHAOBUNI?

 

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