The instantaneous speed measured by car sensor and the measuring system of angular vibration, can be differentiated to get angular acceleration, and the phase angle of 0.5 order angular vibration can be received from integrating and fourier transformation instaneous speed.
利用随车传感器及角振动测量系统测得的曲轴瞬时转速，通过对瞬时转速微分可得到角加速度，对瞬时转速进行积分和傅立叶变换可得到0.5谐次角位移的相位角。
参考来源 - 基于随车传感器的汽车发动机故障缸诊断应用研究Based on these, this paper gives a detailed description of the software and hardware design and implementation of a key equipment of the system, the car sensor, including the structure and operating principles of hardware and the software algorithm .
在此基础上，本文详细地描述了车辆检测器的软硬件设计，给出了硬件电路各部分的构成及原理，软件设计的算法及实现流程。
参考来源 - 汽车挡车控制系统的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
The ultimate intention is to link up all the cars on the road via WiFi by setting up a WiFi-enabled sensor in a car.
最终的目标是把道路上所有汽车通过无线网络联系起来，在车内安装支持 WiFi 的传感器。
The ultimate intention is to link up all the cars on the road via WiFi, either by setting up a WiFi-enabled sensor in a car, or by downloading the software on to a smartphone.
其最终的目标是把道路上所有汽车通过无线网络联系起来，可以在车内安装传感器，或者也可通过把这个软件下载到智能手机上来实现。
In addition to this, a heartbeat sensor can detect whether someone is breaking into the car, or if a child or pet is left inside.
除此之外，汽车配制的心跳传感器可以检测出是否有人闯入汽车，以及孩子或宠物是否被留在车里。
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