- 更多网络例句与压波形相关的网络例句 [注:此内容来源于网络,仅供参考]
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Methods A hydrophone was used as energy converting equipment to collect wave of acoustic pressure in the field of ultrasound.
采用水听器作为换能器,通过采集超声信号在空间声场内一点的声压波形。
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The main body of a book have analysed a generator losing the magnetism physics process , have given a generator out the fundamental equation losing the magnetism queen; By using simulated module of electric system in Matlab/Simulink,build a single infinity system emulation model , have included module such as generator , excitation system , transformer , idle work power source , circuit loads , infinity system , transmission line; Lose magnetism condition two kinds specifically for the excitation winding loses magnetism and the part completely losing magnetism, lower emulation having carried out different working condition, have gained machine holding stater voltage , have encouraged the magnetoelectricity stream , excitation voltage and output having performed meritorious service power wave form change condition; By simulated wave form of contrast , to every electricity amounts, change law has carried out theoretical analysis.
本文分析了发电机失磁的物理过程,给出了发电机失磁后的基本方程;通过使用Matlab/Simulink中的电力系统仿真模块,建立一个单机无穷大系统仿真模型,包括了发电机、励磁系统、变压器、无功电源、线路负载、无穷大系统、输电线路等模块;针对励磁绕组完全失磁和部分失磁两种失磁情况,进行了不同工况下的仿真,获得了机端定子电压、励磁电流、励磁电压和输出有功功率波形的变化情况;通过对比仿真波形,对各电气量变化规律进行了理论分析。
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In order to ensure that self-compensating devices for reactive power work stably and reliably in low-voltage electric power system, this paper introduces a new method and steps of selecting compensating devices by comparing their types, based on the theory of reactive power in non-sinusoidal alternating circuit.
产生谐波的根本原因是电力系统中器件、设备的非线性,即使供给这些器件、设备的电源是理想的正弦波形电压,电网供给它们的电流也是非正弦波形,即产生了谐波电流,当谐波电流流过线路后,产生谐波压降,使电网电压失真。
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Often divided into two types:(1) sine wave oscillator, according to the network oscillation frequency of the different loop selected further divided into RC sinusoidal oscillator, LC sinusoidal oscillators, quartz crystal oscillators, voltage-controlled oscillator, voltage-controlled crystal oscillator and other forms;(2) non-sinusoidal oscillation device, also known as relaxation oscillator, is the use of capacitor charging and discharging and active device (transistor, FET, single-junction transistor, etc.) to generate the pulse-off square wave, rectangular wave, triangle wave, sawtooth wave, or these basic waveforms synthetic waveform and its frequency by the LC time constant charge and discharge circuits to decide.
常分两大类型:(1)正弦波振荡器,根据振荡环路中选频网络的不同,又分为RC正弦波振荡器、LC正弦波振荡器、石英晶体振荡器、压控振荡器、压控石英晶体振荡器等多种形式;(2)非正弦波振荡器,又称张弛振荡器,是利用电容充放电及有源器件(晶体管、场效应管、单结晶体管等)的通断来产生脉冲方波、矩形波、三角波、锯齿波或这些基本波形的合成波形,其工作频率由LC充放电电路的时间常数来决定。
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An the orthogonal test of mist eliminator is conducted, and it is found that the angle of corrugated baffle and Reynold number of gas have a great influence on both the separation efficiency and the pressure drop of mist eliminator.
首先对除雾器除雾性能进行正交试验,并采用直观分析法和方差分析法对正交试验结果进行了分析,发现波形板曲折角α对除雾效率η影响显著,对压降影响特别显著,α为45°时,除雾器除雾效率高且压降适中;斜边长与板间距比值L/b对除雾效率η有一定影响,但对气流压降影响不大;气流雷诺数Re对除雾效率η和气流压降影响显著。
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This research uses high sensitive piezoelectric sensor for developing a sensitive sphygmograph to detect anthropic pulse and to determine parameters to diagnose physiology of human. From spectrum of pulse, the analysis processes are to determine the high pass frequency used in the analysis, uses the IIR Buttorworth filter to remove the noise, to calculate the Hermite curve for filtering the oscillation parts caused by breathe, then to calculate the parameters in strength, time and angle domains from the processed signal to study their correlation with the physiology of the studied experimenters and compared the results with the machine from the market.
中文摘要本研究采用高灵敏度压电感测元件,发展敏锐的脉搏感测仪器,量测人体手腕脉搏波形,计算其中所包含之参数来探讨与研究人体生理状况相关性的适用性;藉由分析脉搏频谱成份并使用Buttorworth滤波器过滤高频杂讯,再使用Hermite方程式去除手腕低频振动杂讯,由过滤后的脉搏讯号萃取振幅强度、波形上升与下降时间、上升与下降角度等参数,经由统计分析探讨与人体生理之情况相关性,并将所获得指标结果与市售仪器所量测之数据变化进行比较。
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In Broad Band ,Curcuit signal graphics is achieved by oscillograph ,and packet loss rate , throughput, Latency , back-to-back and so on.;In VoIP, the device can communicate with FXO 3804 of TAIWAN Welltech and DT60 of BEIJING JIAXUN FEIHONG, At that time, Ethereal and PalmTool of PA1688 testing are introduced; In CATV, flatness ,signal graphics of radio frequency are tested by CATV stroboscope.
使用示波器测试数据部分的电路信号波形,使用网络分析仪测试丢包率、吞吐量、时延和背压等以太网指标的测试,并记录最终测试结果;电话部分主要是与台湾伟桥的FXO 3804和北京佳讯飞鸿的E1数字中继网关DT60,实现基于H.323协议的VoIP电话通信,同时介绍使用Ethereal软件和PA1688专用测试工具PalmTool的测试分析情况;电视部分主要是使用CATV频谱仪测试输出射频信号的平坦度、信号波形等分析信号质量,并通过实际电视接收观察输出的射频信号质量。
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The conventional SHPB technique is improved by using a pulse shaper. Pulse shapers technique is used to modify the incident wave and decrease the effect of wave dispersion to ensure stress equilibrium and homogeneous deformation in specimen, and furthermore a constant strain rate is attained during the loading history. The lasting time of acceleration pulse is enhanced to numerable MSEL, which is more close to actual loading.
本文改进了传统的霍普金森压杆技术,采用波形整形技术,改变加载波形,获得了比较光滑的入射波,降低了波的弥散效应,保证实验时火工品试样中的应力平衡和均匀变形,得到了更接近常应变率的动态加载条件,使加速度脉冲持续时间t提高数倍,更加真实的反映了火工品实际加载环境。
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On the foundation of the analysis,a fault diagnosis method which is an advanced pattern recognition method is proposed and a fault diagnosis system of generator excitation power unit based on virtual instrument is developed.It is proved by experiment that the fault diagnosis system can precisely judge which thirstier goes wrong and get accurate diagnosis result.
发生晶闸管直通故障时,瞬间将造成相电压短路,短路电流使保护电路动作;而发生晶闸管开路故障时(如晶闸管器件门极损坏或触发脉冲丢失等故障),功率单元仍然工作,但输出励磁电压的脉动增大,平均值降低,这种带病工作导致励磁电压波形产生畸变,从而导致了发电机工作在不稳定状态,同时也加大了对电网的干扰[2]。
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Moreover,it describles the advantages of using voltage series resonance method on GIS in site,and thus the performance of field testing de- vice developed by Guangdong Electric Power Research Institute and the test effect.
本文简要地叔述了 GIS 在现场安装后,进行耐压试验的必要性,耐压试验电压波形的选泽、标准及试验程序,并介绍了用串联谐振方法进行 GIS 现场耐压试验的优点,以及广东电力试验研究所研制成功的 GIS 现场耐压装置的性能和试验效果
- 更多网络解释与压波形相关的网络解释 [注:此内容来源于网络,仅供参考]
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coast:海岸
三、引进美国海岸(Coast)公司拉挤机引进美国索亥俄化学公司费隆分部(Filon division sohio Chemicl Compang)连续成型波形瓦生产线. 生产能力180万平方米年,合128万标张年. 引进英国普罗菲尔斯层压板开发有限公司(Laminated Protiles Ltd)连续成型波形瓦生产线.
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voltage oscillogram:电压波形图
835. voltage operated device 压控装置 | 836. voltage oscillogram 电压波形图 | 837. voltage output converter 电压输出转换器
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piezoelectric transducer:压电转换器
Paik)合作,利用压电转换器(piezoelectric transducer)及摄波管观察脉波,得到八种基本脉象波形,即风、热、湿、燥、寒、盛、衰、阻. 前五者为外因,后三者为内气的现象. 英国医生堪阳(J. N. Kenyon)利用他们的技术,诊断病人左右寸关尺的部位,发现十二部位的脉象,
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GES:车速信号
GDB 调节差压式刹车 | GES 车速信号 | GIM 调节波形法
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trending:趋势图
50、Flow by 触发. | 60、Graphics 图解(可显示压 、 、容积与时间的波形). | 61、Trending 趋势图.
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wave form analysis:波形分析
由于胎儿监护的各种方法都不同程度地存在一定的缺陷,对监护方法的探索也一直没有停止,如持续性pH值、氧分压及二氧化碳分压监测,胎儿微量血乳酸测定等了解胎儿酸碱平衡的监护方法;胎儿心电图波形分析(wave form analysis)及近红外线分光测定