Scientists discovered that they could measure wind speed by attaching a wind meter to a kite and sending it up. 科学家们发现把风速计固定在风筝上并放飞可以测量风速。
High precision and multifunction speed meter 高精度多功能转速计
This paper mainly on the speed meter of this approach, the main factors affecting measurement accuracy are analyzed. 本文主要就采用这一方法测光速时,对影响测量精度的主要因素进行了分析。
If I move it to you with the speed of one meter per second, which I can do, 3% then you get an increase in pitch of0.3%. 如果拿着它以1m/s的,速度靠近你,我这么做,那么音高就会,增加0。
The satellite signals, along with inputs on speed from a wheel-speed sensor and direction from a meter, determine the car's position even as it moves. 即使汽车在行驶,伴随着轮子感应器的速度输入,卫星信号和一米距离的方向都能确定汽车的位置。
The design of vehicle speed meter with overspeed alarm and auto speed limit 带超速提示和自动限速功能的车辆时速表设计
Temperature compensation of a High& Speed Capacitive Grain Moisture Meter 电容式粮食水份快速测定仪温度补偿的研究
Manual Photoelectric Digital Speed Meter and its Application 手持式光电数字转速表及其应用
The Engine Speed meter and Non-Volatile Timing System 发动机转速表及非挥发计时系统
Transient Rotate Speed Meter of Motor for the Centrifugal Switch's Breaking Away 电机离心开关断开瞬时转速测量仪
The reactive speed; Insertion fluidic flowrate meter 反应速率的快慢;插入式射流流速计
Inverter applied to the speed test machine of current-meter 变频器在流速仪检定车中的应用
Design and Manufacture of Screw Rotor for Speed Flow Meter 速度式流量计螺旋叶轮的设计和制造
Through the experiments and observation on the moving process of the liquid-gas two phase flow in transparent jet pump by means of the lightning speed meter, the operating principle of liquid-gas jet pump and mechanism of jet breakup are primarily analysed. 通过试验及用闪频仪对透明射流泵内气液二相流运动过程的观测,本文对液气射流泵的工作原理及射流破裂机理进行了初步的分析。
The Design of A Simple Current Speed meter 一种简便流速速率计的设计
In this paper, we give emphasis to introducing you the use of GE-ⅰ series of programmable controller manufactured by the General Electric Company in U.S.A. for controlling escalator alternating speed of 1 meter/ second with the Silicon Controlled Rectifier ( SCR). 本文着重介绍采用美国通用电气公司GE&Ⅰ系列可编程序控制器,控制可控硅交流调速1米/秒自动电梯。
A forward method of time synchronization detection of the high speed photogram meter metrical system is brought out. 提出了各高速摄影测量仪跟踪测量数据时间一致性检验方法,并经实战任务数据处理分析,证明该方法行之有效。
Research of High Speed IP Network Meter on Linux Kernel 基于Linux内核高速IP网络测量器的研究
The vehicle speed meter which core is SCM can not only display the current speed but can alarm the driver for overspeed, which reduces the traffic accident. It is suggested that C. 以单片机为核心,构成带超速提示功能的车辆时速表,不但能准确显示当前车速,还能在车辆发生超速时,及时向驾驶员给出提示,有效减少交通事故的发生。
Design of the Automobile ′ s Digital Speed Meter 数字式汽车里程表的设计
It carries out theoretical analysis and experimental research for two different hydraulic speed control systems& meter in and meter out system which adopt the pressure compensated flow control valve. 对应用调速阀的两种不同的液压调速系统&进油调速系统和回油调速系统进行了理论分析和实验研究。
A comparative analysis of the utility rate of speed and absolute speed of 110 meter male hurdlers of different grades 对不同等级男子110m跨栏运动员速度利用率及绝对速度的比较分析
Improvement and Testing of 8 mm Hump Radar speed Meter 8mm驼峰测速雷达改进及试验
This paper analyses on the reasons of the speed reduction in100 meter's latter half running, and puts forward some solving methods. 文章分析了百米后程跑减速的原因形成,并提出解决的办法。
The threshold is set to increase the response speed of the meter. 采用设置门限值的方法提高了系统响应速度。
The evaporation model coupled with monthly maximum temperature, minimum temperature, humidity and wind speed at 2 meter height is established. The reason that the annual average evaporation shows degressive tendency with increasing of average temperature, is explained by the model. 构建了水面蒸发经验模型,该模型耦合了最高气温、最低气温、湿度、风速4因子,并用该模型解释了平均气温升高而蒸发减少的原因。
We put forward the configuration of ultrasonic liquid level meter. We also apply DSP and high speed AD to ultrasonic liquid level meter to solve the contradiction of reducing blind zone and extending measure range. 给出了超声波液位仪的总体结构,并将DSP和高速AD的应用到超声波液位仪中,解决了在超声波测量中存在减少盲区和增大测量范围的矛盾。