查询词典 wave detector

The following are the expressions for the mean pressure set up at the detection plate and for the time of the signal to progagate from the radiator to the detector:这里是1个公式,省略） where Re is the real part of the expression appearing within the braces, 0 is the density of the medium, vo is the amplitude of the vibrational velocity, c is the speed of sound in the medium, d2 = I +(r/zcos 8, z is the distance between the emitting and receiving plates, B is the angle between the axis of the acoustic channel and the axis of the tube, r = vro/c, v is the flow speed of the fluid, d is the diameter of the pipe, m is the circular frequency, k is the wave number, where a is the radius of the plate (this is taken as the same for the emitting and receiving plates for simplicity, but there is no difficulty in discussing plates differ~mg in radii),,~ is the vibrational frequency of the emitting plate, and The triple sums in the expressions for N~ and N2 may be neglected if the flow speed is low, since the contributions for these become negligible.

以下的表情为代表的压力设置在检测板甲，手持骑枪和时间的信号 progagate从散热器排出到检测器(这里是1个公式、省略)。在什么地方才是真正的出现在背带，表现为0密度的吗当时的媒介的振幅振动速度、c是声音的速度中、d2 =我+ r / z，8、z是距离的发射和接收板、B之间的角度对声信道和轴轴管，r = vro / c，v的流体的流动速率公式，d 管直径的圆频率，m，凯西是波数公式* n，一个是半径的板(这是作为相同的发射和接收吗为了简单，但板板是毫无困难地讨论不同半径)、镁-，~的振动频率的发光，。总结了三倍的表达方式和N2 ~能忽略的流量速度低，因为这些变得微不足道的贡献。

The following are the expressionsfor the mean pressure set up at the detection plate and for the time of the signal toprogagate from the radiator to the detector:这里是1个公式,省略） where Re is the real part of the expression appearing within the braces, 0 is the density ofthe medium, vo is the amplitude of the vibrational velocity, c is the speed of sound in themedium, d2 = I +(r/zcos 8, z is the distance between the emitting and receiving plates, B is the angle between the axis of the acoustic channel andthe axis of the tube, r = vro/c, v is the flow speed of the fluid, d is thediameter of the pipe, m is the circular frequency, k is the wave number,where a is the radius of the plate (this is taken as the same for the emitting and receivingplates for simplicity, but there is no difficulty in discussing plates differ~mg in radii),,~ is the vibrational frequency of the emitting plate, andThe triple sums in the expressions for N~ and N2 may be neglected if the flow speed islow, since the contributions for these become negligible.

以下是表达式平均压力为定于检测板和为信号时间progagate从散热器到探测器：（这里是1个公式，省略）假如再是出现在大括号表达式的实部，0是密度中期，沃是速度的振动幅度，C是健全的速度中，D2中=我+的导向8，z是对之间的距离发射与接收板，B是声之间的通道轴角该管的轴，R =中心内大多分为/荤，v是流体的流动速度，，D是管道直径，m是圆频率，k是波数，的其中一盘是半径（这是为重点，同样的发射与接收为le简单板，但没有讨论板的困难，在半径不同毫克），，是发光板振动频率，和在N的表达式的三重总结和N2可以忽略，如果流速低，因为这些变得微不足道的贡献。

We used coupling phototube convert the voltage of reflector voltages of klystron linearly to lower voltage, and convert the lower voltages of standing wave measuring line and crystal detector inputting power linearly to higher voltages by operation amplifier. Then we inputted these voltages to computer by analog-to-digital card and plotted the graphs of working characteristics of reflecting klystron with software .

利用光电耦合器将速调管反射极高电压线性转换为低电压，同时将驻波测量线测得电场强度的电压值和晶体检波器所测得的反射式速调管输出功率的电压值通过运算放大器线性放大，然后经过模数转换卡采集到微机中，利用软件绘制出速调管的工作特性曲线。

The authors used coupling phototube convert the voltage of reflector voltages of klystron linearly to lower voltage and converted the lower voltages of standing wave measuring line and crystal detector inputting power linearly to higher voltages by operation amplifier. Then inputted these voltages to computer by analog-to-digital card and plotted the graphs of working characteristics of reflecting klystron with software.

利用光电耦合器将速调管反射极高电压线性转换为低电压，同时将驻波测量线测得电场强度的电压值和晶体检波器所测得的反射式速调管输出功率的电压值通过运算放大器线性放大，然后经过模数转换卡采集到微机中，利用软件绘制出速调管的工作特性曲线。

On the other hand, it doesn't hurt to wave your detector over it.

在另一只手上，它不伤害挥动您的在它的探测器。

The ultrasonic detector gives off an ultrasonic wave when it is given an electronic pulse.

1超声波液位测量的工作原理图1为脉冲回波式测量液位的工作原理图。

Ferroelectric material is a kind of functional material, besides its ferroelectricity, it has many special properties such as high dielectric permittivity, piezoelectricity, pyroelectricity, electrooptics and so on, and can be utilized in various devices such as High-K material in capacitors, acoustic wave devices, piezoelectric sensors, MEMs, thermal detector and electroopic devices. Therefore research and development effort in ferroelectric materials and devices have now hit a feverish pitch.

铁电材料是一种功能材料，它不仅具备铁电特性，而且具有高介电常数、压电效应、热释电效应、电光效应等特殊性质，可以应用于High-K介质材料、声学探测器、压电传感器件、微机械系统领域、热电探测器、铁电光阀显示器等等；因此，铁电体以其独特的物理、化学性质越来越引起人们对其技术应用的重视。

It is a new type long distance detector, which integrates the eradiation and receiving of radio wave, and the management, imaging and storage of signal.

它是集无线电波发射与接收、信号处理和传输、成像、存储于一体的新型远程探测设备。

Collins formula, which describes the diffraction of light wave passed through a near-axis optical system, and its inverse calculation expression are presented in this paper. The object plane and charge coupled device detector plane which are used in the study of digital holographic detect, are treated as the input and output planes of an ABCD system.

给出描述光波通过傍轴光学系统衍射的柯林斯公式及其逆运算表达式，然后将数字全息检测研究中的物平面及CCD探测平面视为ABCD系统的输入平面及输出平面，提出通过柯林斯公式的逆运算进行波面重构的一种计算方法。

ObjectiveTo develop an HPLC method with photodiode array detector for the determination of ursolic acid and oleanolic acid in Diospyros kaki by ultrasowithnic wave aided method.

目的采用超声辅助提取，建立高效液相色谱-光电二极管阵列检测法测定柿蒂中乌索酸和齐墩果酸的含量。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。