风速计

一种结合温差式和风速计式的新结构MEMS热式流量计

A New Structure MEMS Thermal Flow Sensor Combining Two Principles

CMOS二维风速计控制及检测电路的研究

Study on the controlling and measuring circuits of the two-dimensional CMOS silicon wind sensor

采用CTD控制电路的二维CMOS风速计研究

2D CMOS Thermal Flow Sensor with CTD Controlling Circuit Design

一种适用于二维CMOS风速计的集成控制电路，是采用恒温差的控制模式，能同时测量风速和风向。

This paper describes the controlling circuit of a two-dimensional CMOS silicon wind sensor , which exploits CTD controlling mode and can simultaneously measure both the wind velocity and direction .

为验证结果的合理性与正确性，用风速计直接测量了对称条件下的速度场，用CFD软件对对称和非对称情况分别进行了流场模拟。

To validate the measurement results , the symmetric velocity field is measured by a hot-wire anemometer and simulated with a CFD software , and the unsymmetric velocity field is only simulated .

所以，校准盘的线速度可作为参考速度与LDA系统或其它光学风速计的测量速度进行比较，并对上述仪器进行评估。

Therefore , linear velocity of calibrating disk can be considered as a reference velocity to make comparison with the velocities and evaluation measured by an LDA system or other optical anemometers .

地面风通常用称为风速计的仪器来测量。

Surface winds are normally measured by instruments called anemometers .

集成风速计片上系统的计算机模拟

Simulation of integrated wind flow sensor system on a chip

测试结果表明，风速计设计满足实际风速和风向的测量要求。

The test result shows that the system satisfies the measure requirement .

高频突风通常是用高速响应的研究性定向风速计测量。

High frequency gusts are usually measured by high response research-oriented anemometers .

基于微控制器的风速计在线控制和测量系统设计

Design of On-line Control and Measurement System for Anemometer Based on Micro-Controller

热线风速计测量中污染误差的消除方法

Method of contamination error elimination in hot-wire anemometers measurements

作为实验室用的测试仪器，这类风速计可制作得很精确。

As laboratory instruments , they may be made to give excellent results .

应用此方案对风速计的正面结构进行了释放，并获得了成功。

The front-side micro-structures of the chips are successfully released without etching the pad .

铂风速计环境可靠度评估

The estimation of enviromental reliability of Pt-anemometer

热膜风速计温度校正研究

Research on temperature calibration with hot-film anemometer

一种测定大值的风速计

A Type of Anemometers Measuring Big Values

风杯风速计测风误差的分析研究与订正方法热膜风速计温度校正研究

The Studying and Correction for the Overspeed of the Anemometer Research on temperature calibration with hot-film anemometer

多普勒双色激光风速计

Doppler two-color laser anemometer

该器件有一个风速计：测量和显示风速和风向。

This device has an Anemometer : It measures and displays wind speed and direction of the wind .

脉冲调制型恒温差风速计控制电路的设计及其温漂特性测试

Design and Temperature Drift Test of Pulse Modulation Constant Temperature Difference ( CTD ) Control Circuit of Thermal Flow Sensor

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。

Scientists discovered that they could measure wind speed by attaching a wind meter to a kite and sending it up .

试验结果表明：利用铂电阻对热膜风速计进行温度自动校正取得了较为理想的效果。

The experiment results show that the HFA which uses the platinum resistance as temperature automatic calibration could obtain an ideal effect .

作为实验用的测试仪器，这类风速计可制作得很精确。而且，它们特别适合于测定低气流速度。

As laboratory instruments , they may be made to give excellent results ; and they are particularly well suited to the measurement of low air speeds .

风杯式风速计是应用极为广泛的测风传感器，它具有测风范围大、强度高、耐腐蚀等优点。

Cup anemometer is a wind measured sensor which is applied widely . It has the advantages of a large measurement range , high intensity and resistance to corrosion .

在简单介绍了该风速计的测量原理之后，主要介绍了恒温差控制电路的电路指标，方案选择，并给出了电路结构。

After a brief introduction of the operational principal of the wind sensor , we focus on the target , blue print and structure of the CTD controlling circuit .

本论文主要展示了测热式／风速计一体化热式流量测量方法以及采用该测量方法进行测量的微型流量传感器的设计与实现。

Demonstrated below are an improved thermal flow measurement method , the design of a MEMS thermal gas flow sensor prototype and the design of a CMOS compatible thermal gas flow sensor .

在选择场地的时候，按住2键，然后选择，可以让地图，标尺和风速计消失。

To disable the power meter , map , and the wind speed indicator , press and hold ( 2 ), then make a selection at the " Select a Course " screen .

采用激光闪烁仪和超声风速计对沿海某地冬、夏季的大气光学湍流和风速进行了较长时期的测量，得到了其平均的统计特征。

Based on the experimental results of the optical turbulence and the wind speed measured with laser scintillometer and sonic anemometer , the average statistical characteristics of atmospheric turbulence under the coastal environment in summer and winter was analyzed .

这种气流速度场的分布特性与靶标特性相一致，可以实现喷雾的有效定向沉积。（2）在风机试验台上利用风速计测量风机气流速度场，对其分布特性的模拟结果进行验证。

This air velocity direction was suitable for target characteristic and could realize the effective and directional droplets deposition . ( 2 ) The distribution of air velocity field was measured by wind meter to validate the simulation value .