实时时钟电路（X1228）被用作里程表，数据存储器和车速表中的警报。
A real-time clock circuit(X1228)is applied to be an hourmeter, data memorizer and alarm in speedometer.
采用对车速信号进行滤波、差分、再滤波的方法获得了具有良好实时性和精度的汽车纵向加速度。
To investigate the method to obtain the real-time longitudinal acceleration based on its velocity, vehicle acceleration is obtained through the velocity filtering, differential, and then filtering.
设计了交通状态自动判别软件构架，对平均行程车速实时估计算法模块进行了详细分析。
Then the paper presents a software framework for automatic identification of traffic situations, along with detailed analysis on real- time calculation module for average travel speed estimation.
该系统可实时向驾驶员提供行车速度安全状况，可有效避免爆胎事故的发生。
This system offers the safe state of driving speed to the driver very real-time, avoiding the emergence of the tyre burst accident effectively.
对车流量、车速、时间占有率这三大重要交通量进行实时检测，准确率达90%以上。
The measurement accuracy of the vehicle flow, vehicle speed and time occupancy are exceed 90%.
提出的自动判定和实时跟踪高速公路常发性拥挤路段的方法包含3个算法：①路段平均车速算法；
This paper proposes a method for the real time identification and tracking of freeway traffic queues. The method consists of the three algorithms: (1) Average Link Speed Algorithm;
以at89s51单片机为核心，A44e霍尔传感器测转速数，实现对自行车速度的测量，并能将自行车的速度用LCD实时显示。
On AT89S51 as the core, A44E hall sensors, and to realize the bicycle speed number, and velocity measurements can be bicycle speed with LCD real-time display.
以at89s51单片机为核心，A44e霍尔传感器测转速数，实现对自行车速度的测量，并能将自行车的速度用LCD实时显示。
On AT89S51 as the core, A44E hall sensors, and to realize the bicycle speed number, and velocity measurements can be bicycle speed with LCD real-time display.
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