1、

In order to achieve the virtual tourism, meanwhile get better browsing speed, this paper presents a virtual scene optimization algorithm based on the visibility sensor nodes, which can significantly reduce the time to read the virtual scene.

为了实现虚拟旅游,并获得较理想的浏览速度,本文提出了一种基于visibility sensor节点的虚拟场景优化算法,该算法可大幅度缩短虚拟场景的读取时间。

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2、

A modified sensor model, which keeps the physical meaning of the old model and describes more general cases, is used to analyze the relationship between target speed and detection probability.

在保持已有传感器模型的物理意义的条件下,对传感器模型进行了改进,改进模型可以描述更一般的情形。

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3、

When the target speed is greater than the undetectable speed, the sensor can't detect the target, and when the target speed is greater than the partially detectable speed and moves backward to the sensor, the sensor can't detect the target.

当目标的速度大于不可测临界速度时,传感器无法测量目标;当目标背离传感器运动,并且速度大于部分可测临界速度时,传感器无法测量到目标。

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4、

It adopts high precision and wide range thermocouple as temperature sensing element. This sensor has the characteristics of fast response speed, better capability, vibration and impact resistance, long working life, high product rate and produce in quantity.

该传感器采用测量范围宽的热电偶为感温元件,具有响应速度快、性能稳定、抗振动、耐冲击、工作寿命长、成品率高、适合于批量生产等特点。

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5、

With the Hartmann-Shack Sensor used in exact test field widely, the research about interface of high speed, high-powered digital CCD camera become trend.

随着哈特曼探测器广泛应用于精密测试领域,使得高分辨、高速CCD相机接口技术的研究成为热点。

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6、

The design of test installation device, layout of test line, selection and installation of test sensor, development of submersible electric pump speed equipment is included.

流体输送测试系统的设计、试验管路的布局、综合测试系统测试传感器的选用、安装和潜水电泵转速设备的开发。

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7、

Introduced in the design how to uses the thermocouple sensor to carry on the survey for the temperature, and how to uses the frequency changer to control the electrical machinery rotational speed.

在设计中介绍了如何使用热电偶传感器对温度进行测量,如何使用变频器控制电机转速。

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8、

This paper introduced the application of new Hall sensor in the voltage and current regulation of the speed-regulation system of rotary three-cone bit drill and analyzed the mode of operation, the structural characteristic and the use result of the component element.

文章介绍了在牙轮钻机调速系统的电压、电流调节中,采用了新型霍尔元件,并具体分析了其工作方式、构成特性以及使用效果。

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9、

Chief parts of the instrument consist of monolithic microcomputer and self-made dynamic magnetic grating sensor composed of magnetic head, magnetic scale, slide block and shell. It can display the time, displacement, speed in process, maximum and resilience speed, impact energy, etc.

测量仪主要由单片微机与自制动态磁栅式传感器(包括磁头、磁尺、滑块与壳体)组成,可测量运动过程的时间、位移量、速度与打击能量等。

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10、

An optical time domain reflectometer ( OTDR) and distributed optical fiber Raman temperature sensor ( DOFRTS) using correlation technique may has much better performance than conventional ones. This paper using FPGA designs a variable length and width adjustable of high speed Golay complementary code.

根据格雷互补码的产生原理,利用FPGA为硬件基础,设计产生了码元长度可变、码元宽度可调的高速率格雷互补码,可应用于光时域发射计及光纤拉曼温度传感器中提高其性能。

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11、

The unsteady surface pressures on the rotor blades of a single-stage low-speed axial compressor were measured by means of mounting micro-sensors on the surface the blades. The effects of up-stream blade wakes on the spectrum of rotor blades unsteady surface pressure were analyzed.

为了研究上游叶片尾迹对轴流压气机转子叶片非定常表面压力的影响,采用在叶片表面埋设微型压力传感器的方法,测量了一个单级低速轴流压气机转子叶片的非定常压力分布。

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12、

There are many methods to measurement the flying attitude, such as solar attitude angle sensor, high-speed photography and geomagnetic field sensor.

飞行体的姿态测试方法有许多种,如太阳方位角传感器遥测、高速摄影法、地磁传感器等。

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13、

In addition, rotor speed can get by using displacement sensor, which can engender pulse signal.

另外转速也可由位移传感器测得的脉冲信号获得,该脉冲信号的获得则可利用转子上的键槽。

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14、

Then, we build the model of all parts of control system: the transmission model of DC servo, the tension model, the tension sensor model, the real-time film roll's diameter model and rolling speed model.

然后,分别建立了卷绕控制系统中的伺服传动模型、张力模型、张力传感器模型、薄膜卷实时卷径模型以及卷心的线速度模型,并对其进行了分析研究。

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15、

At the same time, the author does a deal of investigating and studying in choosing system equipments, the main system equipments are chassis dynamometer and emission analyzing instrument, speed and stress sensor and so on.

在系统设备的技术选型上,作者作了大量的调查研究工作,主要设备有底盘测功机、尾气分析仪、转速传感器以及力传感器等。

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16、

Obliquity sensor measured vibrational angle of X and Y axes of carrier was used as positional loop of the system, photoelectric encoder was used as the speed loop. The search and tracking of turntable was realized by Z axis.

倾角传感器测量载体的X、Y轴摇摆角度为位置环,光电编码器作速度环,转台搜索、跟踪由Z轴实现。

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17、

Choose piezoelectric pressure sensor measuring cylinder gas pressure; choose the angle encoder to measure converter motor speed and crank angle; made K-type thermocouple measurements required temperature data. 4.

选用压电式压力传感器测量缸内气体压力;选用转角编码器测量变频电机转速与曲轴转角;制作了K型热电偶测量所需的温度数据。

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18、

This is a rotational speed detection system in the new cone-plate viscosimeter based on photoelectric sensor.

设计了一种基于光电传感器,并用于新型锥板式血液粘度仪中的齿盘转速测量系统。

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19、

Unlike underlay hardware system, software system of sensor network is still evolving with a high speed.

与硬件成熟相比,传感器网络的软件体系仍在高速发展中。

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