手机陀螺仪的特点及应用

Release time:2022-09-08
author:Ameya360
source:网络
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  陀螺仪又叫角速度传感器,是不同于加速度计(G-sensor)的,他的测量物理量是偏转、倾斜时的转动角速度。在手机上,仅用加速度计没办法测量或重构出完整的3D动作,测不到转动的动作的,G-sensor只能检测轴向的线性动作。但陀螺仪则可以对转动、偏转的动作做很好的测量,这样就可以精确分析判断出使用者的实际动作。而后根据动作,可以对手机做相应的操作!

手机陀螺仪的特点及应用

  一、陀螺仪的特点

  陀螺仪在消费类产品上,最成功的应用当属在Wii的游戏(Wii Motion Plus)中作体感游戏手柄,去实现对游戏的控制。让游戏者只要手持Wii Motion Plus手柄,就可以通过自己的动作控制屏上的游戏视频,做打乒乓球,网球等运动类游戏,或者转动手柄,你就可以玩驾车的视频游戏。其次,是空中鼠标(飞行鼠标),通过在空中移动鼠标,即能控制到屏幕上的光标做上下,左右的灵活移动。

  二、手机陀螺仪的应用

  1:动作感应的GUI:通过小幅度的倾斜,偏转手机,实现菜单,目录的选择和操作的执行。(比如前后倾斜手机,实现通讯录条目的上下滚动;左右倾斜手机,实现浏览页面的左右移动或者页面的放大或缩小。)

  2:转动,轻轻晃动手机2-3下,实现电话接听或打开网页浏览器等。

  3:拍照时的图像稳定,防止手的抖动对拍照质量的影响。在按下快门时,记录手的抖动动作,将手的抖动反馈给图像处理器,可以抓到更清晰稳定的图片

  4:GPS的惯性导航:当汽车行驶到隧道或城市高大建筑物附近,没有GPS讯号时,可以通过陀螺仪来测量汽车的偏航或直线运动位移,从而继续导航。

  5:通过动作感应控制游戏:这也是Steve重点介绍的,也是可以给APP开发者更多创新空间的地方。开发者可以通过陀螺仪对动作检测的结果(3D范围内手机的动作),去实现对游戏的操作。比如,把你的手机当作一个方向盘,你的手机屏幕上是一架飞行中的战斗机,只要你上下,左右地倾斜手机,飞机就可以做上下,左右的动作。


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