查询词典 impedance

Along with 8 high-quality balanced low-impedance mic preamps, there are balanced high-impedance line inputs for direct connection of line sources or high-output instruments.

除了 8 个平衡式低欧姆麦克风输入端以外， PMH880S 还有平衡式高欧姆线路输入端，可以直接连接有高电平输出的线路音源或者乐器。

It also has a low impedance, which assures that the typical unbalanced output impedance is between 100 and 1000 ohms.

同时它的低阻抗可以确保典型的非平衡输出阻抗保持在100到1，000欧姆之间。

Then the digital simulation of open-loop impedance control is accomplished, using the impedance curve with this quality factor.

本文运用仿真结果验证了求出的基波阻抗曲线，根据动模实验的结果对本曲线进行反推拟合，推出TCSC动模实验系统中电抗器支路的等效品质因数约为1.9左右。

The result indicates that radiation gain and power transmission coefficient from tag antenna to chip should be considered in the first place in order to ensure the basic reading and writing distance of the tag. The way to improve power transmission coefficient is to design the tag antenna and make sure its input impedance conjugate matching to the chip input impedance.

研究结果表明，为保证标签天线的基本读写距离，在设计标签天线时，需要首先考虑天线增益和标签天线到芯片的功率传输系数，提高功率传输系数的途径就是调整标签天线与芯片的输入阻抗并使它们尽可能实现共轭匹配。

The new approach based on bio-impedance technology is influenced by many factors such as gastric secretion, components of test meal. But the non-nutrient fluid that has low electric conductivity and has no impact on stomach can be employed to investigate the relationship between the emptying curve of impedance and gastric volume.

胃阻抗法虽然受到胃液分泌、试验餐成分等多种因素的影响，但是选用对胃内影响较小、电导率低的非营养性液体可以获得阻抗信号和胃容积变化的对应关系。

The scheme use quadrilateral directional impedance characteristics and R-L algorithm to calculate the impedance of the faulted phase. The results of simulation show that the performance of distance protection proposed is reliable, and can be used as backup protection for six-phase transmission line.

阻抗继电器采用四边形方向阻抗特性和R-L模型法进行故障相阻抗的测量，大量的仿真测试表明，该距离保护方案性能可靠，可以作为六相输电线路的后备保护。

The thesis mainly studies the potential well effect on the bunch longitudinal distribution, on the basis of correlated wake field, coupling impedance and various instabilities. Then the inductance and resistance parts of coupling impedance of the KEK-ATF damping ring are obtained from the analyses of the measured bunch longitudinal distribution.

本论文在充分阐述与束流集体效应相关的尾场、耦合阻抗和各种不稳定性的基础上，着重研究了势阱效应对束团纵向分布的影响，并由实测的KEK-ATF阻尼环的束团纵向分布得到了其耦合阻抗的电感和电阻部分。

Letter symbols for impedance, admittances, two- port parameters etc. For impedance, admittance, two-port parameters, etc. capital letters are used for the representation of external circuits of which the device is only a part.

阻抗文字符号，导纳，两端口阻抗等参数有关，导纳，二端口参数等大写字母为代表的外部电路，其中的设备只是其中的一部分使用。

On the side of optimizing reactive compensation, a new concept of power-impedance quadrature and a new method of determining the points of reactive compensation according to power-impedance quadratures are presented. Combined with the bus voltage-reactive sensitive coefficients and the linear arithmetic of reactive optimization, the arithmetic and model of distribution network reactive optimization are achieved.

在无功补偿的优化配置方面，提出了功率阻抗矩的新概念以及按等功率阻抗距确定无功补偿点位置的新方法，并结合节点的电压无功灵敏度系数以及无功优化的线性化方法，实现了配网无功优化的算法和模型，算例表明了方法的有效性。

A hydraulic resistance instrument composed by two pressure transducers was used to measure the hydraulic resistance across the two kinds of channels. The impedance on both channels was measured by a four electrodes impedance instrument with 5kHz constant current. A vibration generator was put on one set of the channel to produce about 50Hz sound waves. The signal was detected by a crystal pickup on the other set of the channel to examine the transmission of the wave along the two kinds of channels.

使用双压力传感器流阻仪对两种通道的流阻进行测定；使用5kHz恒流四电极方法对两种通道的阻抗进行测量；使用激振器在通道的一端产生一个约50Hz的振动，在通道另一端用晶体拾音器检测振动信号，对两种通道的声音传导特性进行了测定。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了