本文提出了以声脉冲管测量辐射头为方形的一种阵元(纵向振动换能器)的输入力阻抗的方法。
In this paper, a method of measuring the input mechanical impedance of the array element (longitudinal vibrating transducer) with square radiation head by using impulse sound tube is proposed.
线性压缩机、回热器、脉冲管以及惯性管的耦合特性对高频脉冲管制冷机的整机性能有很大的影响。
Matching characteristics among linear compressor, regenerator, pulse tube and inertance tube have large impact on the performance of high frequency pulse tube cryocooler.
通过一组实验研究了脉冲管热端长度对性能的影响，包括脉冲管热端温度、冷端温度、降温时间、压比。
A group of experiments show that the increasing of hot end length will increase cooling down time, cold tip temperature and hot end temperature evidently, but pressure ratio will decreases.
进行三个脉冲管与行波型热声发动机的配合实验，着重研究了热端气体温度、冷端温降和压力振幅的变化规律。
The experiment focuses on the temperature of the gas in the hot end heat exchanger, the temperature decline of the cold end of the pulse tube and pressure amplitude.
首先介绍了我实验室自主开发的实用型产品：空调压缩机驱动的同轴脉冲管制冷机，然后针对实用化过程中要求脉冲管的热端长度增加的问题进行了分析，得到一些分析结果。
The problem of hot end length in actual use is proposed and a simple analysis is given, which shows the evident effect of length on pressure ration and hot end temperature.
你可以使用一个便宜的npn型晶体管，比如2n2222，放大该脉冲到后续电子元件的接口。
You can use a cheap NPN transistor such as a 2n2222 to amplify this pulse, to interface with the next stage of electronics.
脉冲宽度发生器404接收来自二极管405韵信号和选择信号。
The pulse width generator 404 receives a signal from diode 405 and a select signal.
基于研究高压脉冲串联各个模块的同步性问题，设计了一种适用于串联模块开关管的同步驱动电路。
Based on the research of synchronization problems of high-voltage pulse in series, a synchronous drive circuit for modules in series is designed.
脉冲宽度发生器404提供给信号VIN的延迟响应来自二极管405的信号和选择信号的变化而改变。
The delay that pulse width generator 404 provides to signal VIN varies in response to variations in the signal from diode 405 and the select signal.
数值求解了电路中各电容器和激光管的放电电压和电流脉冲波形，得到了与实测波形一致的模拟结果。
Numerical solutions of discharge voltage and current pulses on each capacitors and laser tube in the circuit are in good agreement with the experimental ones.
本文通过脉冲中子管测量了液体闪烁探测器的DT中子灵敏度。
The sensitivity of liquid scintillation detector for DT neutrons is measured with pulse neutron tube.
若某一电磁脉冲阀常吸，应检查对应的电子开关管是否漏电、击穿。
If a electromagnetic pulse valve is always magnetized, it must be checked if the corresponding electronic switch tube is in electric leakage or broken-down.
本文在840 ~ 950k范围内应用单脉冲化学激波管测定环氧氯丙烷的裂解反应动力学。
The chemical kinetics for the pyrolysis of epichlorohydrin was studied by single pulse shock tube in 840-950k.
开关管冲击耐压装置由高压脉冲产生器、击穿检测器、触发器，及自动控制器、DC/AC变换器等构成。
The high voltage endurance test device for switch tube is composed of high voltage pulse generator, high voltage breakdown detector, trigger, auto-controller and DC/AC converter.
在相同电路参数时，经模拟得到的放电管电流脉冲波形和实测的波形相一致。
The discharge current pulse of the laser tube obtained by simulation is consistent with that of experimental measurement on the same condition of circuit parameters.
公司生产的破碎锤管路耐振动和脉冲压力，不会开裂，同时耐老化，管中清洁度极高，无杂质。
The production of hammer pipeline vibration resistance and pulse pressure, does not crack, and at the same time, the cleanness of aging in extremely high, without impurities.
其中如阿希提金流程、管式金属富集器、脉冲-射流方法等都很有特色。
The technological process of ACI gold plant, the tube gravity concentrator and the pulse-jet method all have peculiarities.
采用高频脉冲微束等离子弧做为电子管阴极和光刻栅极装配钎焊工艺的热源，提高了钎缝质量和产品的可靠性。
Brazing quality and product reliability are both increased as using high frequency pulse microplasma arc heating process for assembly brazing of cathode and photoetching grid of electron tube.
作为一种非常粗糙的重建电视显像管扫描光栅的方法，这些脉冲可以剥离出来单独用于触发一对扫描发生器。
As a very crude approach to reconstructing a scan raster on the TV tube, these pulses can be stripped off and individually utilized to trigger a pair of single sweep generators.
该电路采用脉冲变压器耦合MOSFET管驱动电路，具有输出变压器原边平均电流和副边峰值电流的过流保护功能。
The circuit, with over-current protection of output transformer original side average current and side peak current, adopts pulse transformer coupling MOSFET driving circuit.
自光电倍增管而下测量系统由脉冲放大、整流、积分和计数器等组成。
The measuring system consists of a pulse amplifier, a rectifier, an integrator, and a pulse counter.
详细地介绍了可控硅整流器(SCR)线型触发器的改进型设计方案，提出了用于高脉冲重复频率的双极晶体管触发器的实用新电路。
An improved plan of silicon controlled rectifier (SCR) line type trigger is described in detail. Anew practical circuit of bipolar transistor trigger for high pulse repeat frequency is presented.
由于次级主开关管是对电压脉冲进行开关，自然实现了软开关。
Because the main switches of the secondary only conduct voltage pulses, the soft switching of them can naturally be realized.
在分析常用低噪声快速光电探测器的基础上，选择pin光电二极管来探测氦氖激光纵模脉冲。
Based on analyzing common low noise and fast photodetectors, PIN photodiode is selected to detect He-Ne laser longitudinal mode pulse.
管件电磁成形是依靠磁脉冲力来实现的。
Tube electromagnetic forming is realized by magnetic pulse force.
用继电器即可；但如果需要调速，可以使用三极管，场效应管等开关元件实现PWM（脉冲宽度调制）调速。
With the relay can be; but if you need to speed, you can use the transistor, FET and other switching elements to achieve PWM (pulse width modulation) speed.
激光脉冲的实际飞行时间可以通过控制激光管发出激光脉冲的时间来模拟。
The actual time of the flight of laser pulse can be simulated by controlling the time when LD emits laser pulse.
利用定时器ne556和程控单结晶体管，设计了一种新型多路脉冲分配器。
Describes a new design of pulse frequency dividers in which timers NE556 and sequence control unijunction transistors are used.
通过C8051F040单片机对中子管的灯丝电压、靶压以及阳极脉冲进行控制，使其工作在一个理想状态，是提高仪器测井效率、延长中子管使用寿命的重要手段。
By using C8051F040 SCM to control the neutron tube's filament voltage, the target voltage and the pulse of the anode, the downhole tool can work at an ideal state.
在对比了多种脉冲产生方法之后，确定了由雪崩管作为超短脉冲发生模块主要元件的方案。
Compared many ways of generating pulse, a design using the avalanche transistor as the main component of pulse generator module is established.
应用推荐