查询词典 impedance

The system includes a DAQ based on PIC Mierocontroller, adopts the technology of impedance transform and short circuit ring, communicates with PC through RS232 serial port.

该系统利用基于NC单片机的数据采集器，采用了阻抗变换和短路环技术，通过RS232串口与PC进行通讯。

Miniaturized rat race coupler is implemented by incorporating stepped-impedance line sections and broadside-coupled structure into the ring circuit.

本论文提出周期性步阶阻抗共振腔和微带线至共平面波导结构设计微小化鼠径耦合器之设计。

Bonded-Pair cables are ruggedly built to withstand the rigors of installation, thus ensuring the cables' consistent impedance and Return Loss characteristics.

Bonded-Pair电缆可以抵挡这些苛刻的条件，保证电缆电阻的一致性，使其性能处于最佳状态。

The impedance of 22 sandstone samples saturated with oil and water were measured with the two electrode method.

1引言应用电阻率来确定岩石的含水饱和度和其它物性参数是常规的方法。

In addition, making use of the complete calculation of internal faults, some merits, such as scientifically setting the new scalar product restraint differential protection, exactly selecting the type of current transformer for zero-sequence current transverse differential protection and accurately understanding the backup impedance protection, are acquired at the same time. And these achievements contribute to the realization of the above quantitative design.

另外，通过全面的内部故障仿真计算，实现了新型差动保护方案动作特性的科学整定、零序电流型横差保护用TA的准确选型以及对后备阻抗保护性能的正确认识等，而这些工作的完成又是定量化设计成果得以实现的有力保证。

Since the secondary winding is normally operated into a high-impedance circuit, the secondary current is quite small.

因为次级绕组通常输入高阻抗的电路，因此次级电流很

According to the transformer's equivalent circuit, the value of the current injected to the transformer's secondary winding is controlled, so that the value of transformer impedance in power system can be controlled.

本方案将变压器的一次侧串联接入电网，在电力系统正常运行时，变压器主磁通为零，故障限流器呈现很小的变压器一次侧漏阻抗，压降很小，对电力系统运行无影响。

The wavelet marginal analytical modeling wave impedance inversion is pickup characteristic parameters from seis.

基于模型的波阻抗反演虽然克服了厚、薄煤层计算问题，但因难以得到准确的高频部分，很多情况下反演结果的精度和分辨率往往不能满足地质预测的要求。

This has the effect of increasing the resistance of a conductor at high frequencies (note that this effect is separate from the increase in impedance due to the effects of the self-inductance of conductors as frequency is increased – that will be dealt with later).

这意味着在传输高频信号时，导体的电阻会增加。（请注意趋肤效应与分布电感的区别，分布电感是指在频率提高时，因导体自感而造成的阻抗增加。分布电感将在以后的章节讨论。

In recent years, IC is toward to the trend of light, thin, short and small. The QFN is with small size, light weight, coupled with excellent electrical performance and thermal performance. Meanwhile, it is also with a very low impedance and self-inductance to meet the applications for high-speed or microwave. Obviously, it attached great importance by the market gradually.

中文摘要近年来积体电路(Integrated Circuit， IC)外型逐渐朝向轻、薄、短、小的方向发展，由於QFN具有体积小、重量轻，加上杰出的电性能和热性能，同具备非常低的阻抗、自感，可满足高速或者微波的应用，因此逐渐受到市场重视。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。