把小型压电声传感器安装到这种构造部位上,检测由航空级铝材裂纹所致的特定频率的噪音,靠这样就能监测飞机裂纹。
It does this by fitting small piezoelectric acoustic sensors to parts of the structure to detect the particular frequency of noise caused by a crack in aircraft-grade aluminium.
它比红外传感器的频率要低得多,而且较少受到尘埃粒子的影响。
It works at a much lower frequency than the infrared sensors, and is less affected by dust particles.
例如要测量心跳频率,衬衫中就含有一对非粘贴式传感器,它们能扫描简化的心电图。
To measure the heart rate, for instance, the shirt contains a pair of non-sticky sensors that can produce a simplified electrocardiogram.
与创建新任务相似,向导会提示您输入传感器名称、传感器组、描述、启动时间、停止时间和频率。
You will be prompted to enter the sensor name, sensor group, description for the new sensor, start time, stop time and frequency, similar to that of a new task.
声表面波(SAW)传感器能将被测量转换成容易检测的频率信号,即一种准数字信号的输出。
The surface acoustic wave (SAW) sensor can transform the measured object into frequency output, viz a kind of digital signal output.
当传感器通过无线电频率发现组织比较的差异时,肿瘤或其它畸形的存在将呈现红色。
The presence of a tumour or other abnormality will show up in red as the sensor detects the difference in tissue contrasts at radio frequencies.
同时利用霍尔传感器将电机速度转换成脉冲频率反馈到单片机中,实现转速闭环控制,达到转速检测目的。
At the same time using Holzer sensors will be converted into pulse frequency motor speed feedback to the MCU, realize the speed closed-loop control, to achieve speed detection.
热型红外传感器应用广泛,它要求在室温条件下工作,在宽的调制频率范围内具有均匀的灵敏度。
Infrared thermal sensors are used in a wide variety of application which require room temperature operation and uniform sensitivity over a wide modulation frequency range.
我们总要尽量把传感器布置在一个位置,其中在关心的频率范围内,可以看到所有阶模态具有相同的幅度。
We always try to locate the accelerometer at a location where all of the modes can be observed with the same strength across the desired frequencies of interest.
分析振弦式传感器的频率敏感机理,理论上说明这类传感器的传感原理。
Frequency sensitivity mechanism and the sensing principle of vibrating wire sensors are developed and analyzed in theory.
实验结果表明,此传感器在液体中具有较高的频率稳定度。
The experimental result shows that this sensor has a high frequency stability in liquids.
文中进行了液相介质中石英晶体粘度传感器及其频率特性的研究。
In this article, we research quartz crystal viscosity sensor and its frequency characteristic in liquid medium.
这一新的控制方案用速度推算算法取代常规转差频率矢量控制系统中的速度传感器,具有适用性广的优点。
In the new scheme the speed sensor of general slip frequency vector controlled system is replaced with speed calculation algorithm, so it has the merit of wide applicability.
为控制洗衣机桶内水的浑浊程度,研究并提出了把水的浑浊程度通过浑浊度传感器建立与频率的对应关系。
To control turbidity of water in washing machines barrel, the relationship of water's turbid degree and frequency using the turbidity sensor is researched and put forward.
文中介绍了基于这一原理的微型磁强计,对传感器的固有频率和驱动电压进行了分析和计算。
This paper introduces the micro magnetometer and analyses the natural frequency and driving voltage of the sensor as well.
传感器类型,占用空间大小,频率的选择是成功神经阻滞的关键。
Selection of transducer type, footprint size, and frequency are critical to successful nerve block performance.
分析了传感器的基本原理、频率特性和各种影响因素。
The paper consists of principle, frequency characteristics and influence factors of the sensor, etc.
电容式水分传感器以频率信号作为参变量,由电容探头、高频振荡电路、分频器和金属屏蔽盒构成一体。
Capacihve moisture sensor regards frequency signal as variability, it is made up of capacitive probe, high frequency surge circuit, dispart frequency instrument and metal shield box.
然后针对每个传感器,根据其各频率波束形成加权向量,采用约束优化方法,设计出具有要求幅度和相位响应的FIR滤波器。
Then, the BCBB is implemented by a set of FIR filters corresponding to the input channels, which provides the frequency response derived from BCBB weights for each sensor.
本文介绍了超声测距的基本原理,对超声传感器的结构及频率特性进行了分析。
In this article we introduce the basic principle of supersonic measure distance, and analyze the structure and frequency characteristic of supersonic sensor.
振弦式传感器是基于钢弦频率随钢丝张力变化的原理而工作的。
The vibrating wire sensor works on its vibrating frequency functioning with the tension on it.
电容式水分传感器以频率信号作为参变量,由电容探头、高频振荡电路、分频器和金属屏蔽盒构成一体。
Capacihve meisture sensor regards frequency signal as variability, it is made up of capacitive probe, high frequency surge cirouit, dispart frequency instrument and metal shield box.
分析了石英温度传感器非线性、频率不确定度、过热效应等因素对温度测量的影响。
The influence on temperature measurement of the non-linearity, the fractional frequency uncertainty and the overheating effect of quartz temperature sensor have been analyzed.
本文介绍了一种采用光学象散原理测试原子力显微镜的力传感器固有频率测试系统的原理、组成和测试方法。
In this paper, the principle, constitution, and operation of the testing system for the resonant frequency of the force sensor are presented.
液相环境下振荡的压电石英晶体传感器的谐振频率变化主要受液体性质和表面质量负载的影响。
The resonance frequency shifts of piezoelectric quartz crystal sensors in contact with the liquid are influenced mainly by liquid properties and mass loading on the quartz crystal surface.
同时,对传感器频率响应进行了实测。
In addition, the measured results of the sensor frequency response are given.
窦房结的这种特性可能是单传感器频率应答性起搏器不能完全符合生理需要的基本原因。
This is the reason why the rate responsive pacemaker by one sensor is not suitable for the physiologic demand completely.
研究了一种利用微机控制测量和采集压电晶体传感器阵列振荡频率的智能型仪器。
A computer controlled intelligent measurement and data acquisition system for piezoelectric crystal sensor array was studied.
研究了一种利用微机控制测量和采集压电晶体传感器阵列振荡频率的智能型仪器。
A computer controlled intelligent measurement and data acquisition system for piezoelectric crystal sensor array was studied.
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