查询词典 impedance

Second, this paper systematically studies methods for impedance matching between dipole-type RFID tag antennas and tags ICs, which includes parasitical element loading, vee dipole technology and meander line loading technology.

第二，本文系统化研究了偶极子RFID标签天线与标签IC的阻抗匹配方法，包括寄生单元加载技术和弯折线加载技术。

Through the designed bandpass filter, it can increase the total bandwidth.Moreover, the dual-band bandpass filters are designed by using the impedance ratio of stepped impeedance resonator and meander of transmission Line.

传统上，平行耦合微带线带通滤波器，是两段四分之ㄧ波长传输线等效成一个导纳转器，因为导纳转换器并不具随频率改变的特性，此种仅适合窄频宽时较准确，用在大频宽时，实际的频宽会缩小，经由改善后，可提高频宽。

In series/parallel mode, you can wire 4 woofers to a single amp, for example, and still maintain a compatible impedance.

在series/parallel 方式下，您能架线4 台低音扬声器对一安培，例如，和仍然维护兼容阻抗。

Parallel wiring provides for maximum amplifier output, while series wiring lets you configure multiple woofers to one amplifier at an acceptable impedance.

平行的接线提供最大放大器产品，当系列接线让您配置多台低音扬声器对一个放大器在可接受的阻抗。

Based on the characteristics of varistor, the influence of the different impedance values between the protective devices is discussed.

结合浪涌保护器的电压—电流特性，利用推导出的公式研究由压敏电阻组成的多级保护系统，分析两保护器之间的阻抗变化对暂态过电压在两级保护器上分配的影响。

So we should consider choosing the way to design it according to a variety of factors.A NLTL frequency tripler in Ka-band are designed by loading eleven varactors in a high impedance microstrip line in the thesis.

本文利用高阻抗微带线加载11个变容二极管实现了非线性传输线八毫米三倍频器，该倍频器的缺点就是管子太多，不利于小型化。

Furthermore, you may put the SN74HC595N output pins into TRI-STATE to achieve a high impedance state.

此外，您可投入三态输出引脚的SN74HC595N实现高阻抗状态。

EICT is a new type of medical imaging technique, it reconstructs the electrical characteristic tomographs of a human body by making electrical measurements on the periphery of the object, and its main advantages are harmless and inexpensive.

电阻抗CT(Electrical Impedance Computed Tomography)是一种新兴的医学成像技术，它通过测量人体表面的转移阻抗来重建人体的电导率分布断层图，它的优点有无伤害和成本低廉等。

To study the significance of using mutiple targes in intractale psychosis, 120 patients were treated by stereotactic technique combined with CT, MRI, microelectrode, and electric impedance methods with bilateral multiple nuclei lesioning by radio frequency thermocoagulation.

在立体定向基础上，应用CT、MRI、微电极和电阻值联合的多元化定位方法，对 12 0例难治性精神病患者，采用不同核团组合的双侧多靶点技术进行射频热凝治疗，应用CGI、BPRS、PANSS等精神病量表进行术前、术后的对照分析，以探讨不同靶点组合对难治性精神病的治疗意义。

The method of mechanical impedance to calculate stators natural frequency is given, and so is the flow of modal analysis. These results are compared.

给出了机械阻抗法计算SR电机定子固有频率的方法和使用模态分析仪分析模态的流程，针对实验样机给出计算及实验结果，并进行对比。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。