串级JFET恒流器件具有非常高的动态阻抗。
Cascade JFET constant current device is of very high dynamic impedance.
最后给出了一种实用的模糊控制算法进行振动系统的动态阻抗匹配。
Finally, it presents an applied fuzzy control algorithm, which can be used as a dynamic impedance matching approach for the power ultrasonic vibration system.
声波测井换能器的激发响应由换能器振动时所表现出来的动态阻抗和激发电路参数决定。
Sonic transducer response is affected by the dynamic characters of electricity and mechanics of the sonic transducer.
该设备主要检测晶片、芯片的背景电流、漏电流、动态阻抗和C-V特性等参数，使之满足探测器要求。
The equipment mostly check up background currents, leakage-current, dynamic impedance and C-V characteristic etc.
文中提出了简化的自动测量系统，并应用计算机技术自动地改变附加电阻，以适应不同动态阻抗的被测两端网络。
Meanwhile, a simplified automatic measuring system is put forward. To be applied to detected two port network with different dynamic impedance, its ad…
方法：基于C8051F 020和AD 9832的核心控制电路通过动态阻抗匹配法使系统输出最大超声波功率。
Through dynamic impedance matching by kernal control circuit based on C8051F020 and AD9832, the maximum output of ultrasound power is produced.
利用自驱动、自传感特性的压电陶瓷片，粘贴在外部结构的表面，结合动态阻抗的概念，提出了一种机电耦合的在线压电阻抗技术用于结构健康诊断。
Combined with impedance concept, a method for on line structure health monitoring based on self sensing piezoelectric patches, which are bonded on the surface of the structure, is presented.
利用这一系统，研究了家兔的肺阻抗和动态顺应性与振荡频率的依赖关系。
With this system, a study has been made on the correlation between respiratory impedance and dynamic compliance of rabbit, and oscillatory frequency.
对基于优化阻抗设计思想完成的短网的性能作了静态对比和动态分析。
A static comparison and dynamic analysis of short net performance based on impedance optimization design idea were made.
采用交流阻抗技术结合恒电流阴极充氢和动态阴、阳极极化法，研究了工业纯钛在海水中的阴极极化性能。
The cathodic polarization character of industrial pure titanium in sea water was studied by meas of ac impedance technique, galvanostat cathodic charging and dynamic polarization technique.
观测21名健康志愿者经脉线上皮肤低阻点的皮肤电位特性，以及阻抗测试后低阻点皮肤电位的动态变化。
The characteristics of the skin potential on the low skin impedance points along channels and the dynamic changes after impedance tetbed had been detected in 21 cases of healthy volunteers.
提出了一种基于阻抗动态步进的PVZ曲线快速求解方法。
This paper proposes a fast method of computing PVZ curves using load impedance as dynamic step.
耳机阻抗剧情是动态抵抗的措施在耳机的欧姆在整个可听见的频率范围。
The headphone impedance plot is a measure of the dynamic resistance in ohms of the headphones over the entire audible frequency range.
但由于它是一种柔性材料，波速和波阻抗均极低，因此实验研究其动态力学性能具有很大困难。
But it is a kind of soft material. Both wave velocity and wave impedance are very low. So experimental study of its dynamic mechanical behaviors is difficult.
这种变化的“反应”负荷导致功放输出水平的变化与频率变化，音箱阻抗（动态改变的内容作为扬声器驱动更难） 。
This changing "reactive" load causes the amp output level to change with frequency and changes in speaker impedance (a dynamic thing that changes as the speakers are driven harder).
本文应用流体阻抗法的有关理论，分析了动态差压检测系统中引压管路的有关参数对测量动态特性的影响。
Based on the fluidic impedance method, the effect of the pressure ducts on the dynamic characteristics of pressure drop measurement system was analyzed.
利用相应的高层次模型，详细分析并仿真了电流源匹配误差和电流源输出阻抗对DAC的非线性误差nl、信号噪声失调比SNDR、无杂波动态范围SFDR的影响。
With corresponding models how the matching errors and output resistance of current source affect the NL, SNDR and SFDR of DAC is analyzed and simulated in detail.
仪器采用液晶显示屏并可外接打印机输出测量结果，具有比现行阻抗图仪更宽的动态范围和更高的测量精度。
The plethysmograph measures both impedance and immittance of body with high accuracy and wide measuring region than current plethysmograph.
天线输入阻抗是个极易变化的参数，而传统的手工匹配技术很难对动态负载做到实时、快速的匹配，限制了RFID技术在很多领域的应用。
Traditional manual matching technology is difficult to statify dynamic load impedance immediately and fast, which largely limit the RFID technology applications in many fields.
目的采用全身生物电阻抗分析(BIA)法评估维持性血液透析(MHD)患者水平衡动态变化及干体质量。
Objective To evaluate the fluid balance and dry weight with whole body bioelectrical impedance analysis (BIA) in patients with maintenance hemodialysis (MHD).
模态机械阻抗综合法是一种新的动态子结构振动分析方法，是传统机械阻抗综合法的推广。
Modal mechanical impedance synthesis analysis (MMISA) is a new subsystem vibration analysis method and a new approach based on traditional mechanical impedance synthesis analysis.
讨论了影响短网阻抗标值和阻抗失衡的主要因素，分析了短网阻抗动态变化趋势及其对平衡冶炼的影响。
Discussed the main factors that caused the unbalance of short net static impedance. Analysised the dynamic transfer tendency of short net impedance and its influence on balance smelting.
运用该阻抗函数建立基于路径的动态用户最优路径选择变分不等式模型，给出了该模型的启发式算法。
A route-based variational inequality model and a heuristic algorithm of the dynamic user optimal route choice problem were proposed by the link travel time function.
利用暂态响应解的形式和电感、电容的电压与电流的关系，导出了电感和电容的等效阻抗，从而可用电路方法求解动态电路的暂态过。
The equivalent impedances of inductor and capacitor in transient response were deduced from the exponential transient solution and the volt ampere relation of these elements.
TCSC的动态基频阻抗特性分析对研究含TCSC线路上的线路保护的特性具有重要意义。
The dynamic power frequency impedance of TCSC is of great importance to the analysis of protective relaying characteristics on transmission line with TCSC.
构建了一个能为RFID天线阻抗的动态变化提供匹配的自动阻抗匹配虚拟系统。
An virtual electronic automatic matching system was designed, used for RFID antenna impedance.
运用差示扫描量热分析、动态力学分析、交流复阻抗谱、扫描电镜和原子力显微镜对体系性能和形态进行了研究。
DSC, DMA, complex impedance analysis, SEM, and AFM were used to investigate the properties and morphology of the system.
本文构建了一个能为RFID天线阻抗的动态变化提供匹配的自动阻抗匹配虚拟系统。
This article design a virtual system that can provide automatic matching for RFID antenna impedance.
本文构建了一个能为RFID天线阻抗的动态变化提供匹配的自动阻抗匹配虚拟系统。
This article design a virtual system that can provide automatic matching for RFID antenna impedance.
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