The design of the grinding liquid pulse shot flow polisher; 2. We studied the main cause of the ceramic tile polisher's noise when it is polishing by orthogonal testing method.
通过正交试验法对建筑陶瓷抛光机磨削时产生噪声的主要原因进行了实验研究，从而得出磨削砖坯时抛光机的最优匹配参数，进而提出了降低噪声的措施。
By detecting the oscillation circuit natural frequency to determine the level of water. The frequencymeter use the Microprocessor internal counter to counting the film resonant frequency of the water level sensor pulse, then Microprocessor regular function to achieve frequency testing, final adoption of LED display circuit dynamic numerical show.
该频率计直接利用单片机内部的计数器对薄膜谐振式水位传感器的频率脉冲信号进行计数，然后利用单片机的定时功能实现对频率的检测，最后通过LED动态显示电路显示数值。
Including setting up system platform and measuring structure of the rigidity of pretension spring of the solenoid valve, designing the dynamic electric-current driver on the basis of power sink principal, variable pulse width modulation of voltage boosting and inversion technology, realizing the intelligence controlover the control parameters, satisfying the diversity requirement towards the dynamic feature experiment of the solenoid valve; furthermore, testing system software is developed, and filtering is conducted over the signals of armature displacement response and driving current educed from the experiment using wavelet analysis technology.
构建了系统台架和电磁阀预紧弹簧刚度测量机构，设计了基于功率吸收原理和可变脉宽升压逆变技术的电磁阀动态电流驱动器，实现了对驱动器参数的智能控制，满足了对电磁阀动态特性试验的多样性要求。开发了测试系统软件，提出了基于小波分析的方法，对试验所得衔铁位移响应信号和驱动电流信号进行了滤波。
In order to find HIV infection and peripheral atherosclerosis in the relationship between the Beijing Union Medical College Hospital Department of Infectious Diseases Professor Li Taisheng courage and heart and other internal medicine has selected 41 patients with untreated HIV-infected persons and AIDS patients, 41 patients received the cocktail treatment for HIV infected persons and AIDS patients, as well as 43 healthy controls for the study, carried out the classic cardiovascular risk factors, HIV infection indicators, and used to diagnose peripheral arterial disease, pulse wave velocity and ankle-brachial index and other indicators of testing.
為了找到HIV感染與外周動脈粥樣硬化之間的關係，北京協和醫院感染科李太生教授與心內科曾勇等選取41例未經治療的HIV感染者和艾滋病患者、41例接受了雞尾酒治療的HIV 感染者和艾滋病患者，以及43位健康對照者為研究對象，進行了經典心血管危險因素、HIV感染指標以及用於診斷外周動脈疾病的脈搏波速度（PWV及踝臂指數等指標的檢測。
First measured resistance to determine the nature of the organization, and then pulse stimulation, to prove that damage to the region without sensory and motor nerves exist in the testing process to replicate the original in patients with pain, with the maximum withstand temperature of continuous treatment in patients with 3-4 cycles of, each cycle 60 s, after radiofrequency ablation, namely, the treatment of upper and lower discs have two vertebrae with a small needle-knife right facet joint, joint capsule, or yellow ligament etc.
先测电阻，以确定组织性质，再用脉冲刺激，要证明毁损区内无感觉及运动神经存在，在测试过程中患者要复制出原来的疼痛，用患者最大承受温度连续治疗3-4个周期，每个周期60 s，射频热凝术后，即对所治疗椎间盘的上下两个椎体便用小针刀对小关节突、关节囊或黄韧带等进行松解。
Theory analysis and the measured data are shown that excitation pulse in pile integrity testing is silimar to half-period of the sine curve, and different exciting methods produce signals with different period of time, so its frequency composition is also different.
理论计算及实测资料表明，反射波法基桩动测激振信号近似为半周期正弦波，不同激振方式产生的桩顶速度脉冲信号宽度不同，相应频率成分也就不同。
Generator circuit for this testing, which can generate pulse signal with the jitter...
总线的高精度信号发生器的设计。张艳丽安琪刘树斌王砚方。。。。。
A frequency conversion pulse fluidic device, including: the transducer, the timing motor, the frequency modulation runner, the water pump, the delivery pipe and the testing section, the frequency modulation runner opens the strip-shape hole that forms the gapping stream.
一种变频脉冲射流装置，包括变频器、调速电机、调频转轮、水泵、供水管和试验段，调频转轮上开设有形成缝隙水流的条形孔。
The exploratory testing study of modifying and fining the solidification structure of concast steel billet is carried out in concast production by the technology of electro-pulse modification.
在连铸生产中利用电脉冲孕育处理技术，开展改善和细化连铸坯凝固组织的试验研究。
The testing method comprises the following steps:(1) collecting the electrocardio-signal, the phonocardio-signal and the pulse signal of radial artery; (2) performing analog-to-digital conversion to the three signals to form the signal oscillogram; (3) identifying and extracting the characteristic point of each signal; (4) constructing the time series RR of electrocardio-period, the electromechanical delay time series and the pulse wave propagation time series of the combined variability index; (5) testing the validity of each time series; (6) calculating the heart rate variability, the electromechanical delay variability and the pulse wave propagation time variability; and (7) calculating the combined variability index of angiocarpy AV.
本发明提供了一种心血管系统联合变异性指标的检测方法和装置，检测方法包括以下步骤：(1)采集受检测者的心电、心音、挠动脉脉搏信号；(2)对三路信号进行模拟-数字转换，形成信号波形图；(3)识别和提取三路信号各自的特征点；(4)构造联合变异性指标的心电间期时间序列RR，电机械延迟时间序列和脉搏波传播时间序列；(5)检验各时间序列的有效性；(6)计算心率变异性、电机械延迟变异性和脉搏波传播时间变异性；(7)计算心血管联合变异性指标AV。
Aircraft hydraulic pulse test system design, system related to indicators, modules, development process, testing...
飞机液压脉冲测试系统的设计方案，涉及到系统指标，模块划分，开发过程，测试过程，以及质量控制过程的分析。
The frequencymeter use the Microprocessor internal counter to counting the film resonant frequency of the water level sensor pulse, then Microprocessor regular function to achieve frequency testing, final adoption of LED display circuit dynamic numerical show.
该频率计直接利用单片机内部的计数器对薄膜谐振式水位传感器的频率脉冲信号进行计数，然后利用单片机的定时功能实现对频率的检测，最后通过LED动态显示电路显示数值。
In order to dynamically calibrate the testing system of a special project, the device that can generate controllable trapezoidal pulse signals was developed.
为对某特殊工程测试系统进行动态标定，研制出一种可控式梯形脉冲信号发生装置。
In order to dynamically calibrate the testing system of a special p roject, the device that can generate controllable trapezoidal pulse signals was developed.
为对某特殊工程测试系统进行动态标定，研制出一种可控式梯形脉冲信号发生装置。
Through the subdivision and interpolation of invariable frequency and pulse, space of decline bar distance is measured in decimal fraction format of time ruler and space ruler to realize testing of high-speed transmission error.
作者：陈锐，彭东林，刘会耕分类：装备与武器上传者：ZCOM网友作者单位：（重庆大学机械传动国家重点实验室，重庆 400044）摘要：通过固定频率脉冲细分插补，以时间尺与空间尺的小数形式测微栅距空间以实现高速传动误差的检测。
The analysis of pulse testing system using the reflectometer further shows that the reflectometer can be used for pulse test system.
又对一种反射计法脉冲测试系统分析，进一步说明反射计可用于脉冲测试系统中。
Load and line regulation are measured at a constant junction temperature by low duty cycle pulse testing.
负载及电压调节能力是衡量一个低占空比脉冲测试器件结温恒定。
Load regulation and output voltage are measured at a constant junction temperature by low duty cycle pulse testing.
1第1页，本页显示记录1-3，共3条记录分1页显示6。负载调节和输出电压的测量在低占空比脉冲测试器件结温恒定。
Transient pulse test is an efficient nondestructive method of testing electric igniter, and its principle is introduced briefly.
简要介绍了电点火具无损检测方法的原理，针对火箭弹发动机中电点火具的特点，利用电点火具的温升曲线，采用神经网络识别技术，对电点火具的质量进行判别，无损检测判别结果与实际发火试验结果基本一致。
Evaluation of a pulse oximeter and customized probe for pulp vitality testing［J］.
包广洁。光学技术在牙髓活力测试中的应用研究［J］。