The active filter acts as an infinite impedance to the external for the fundamental frequency and as a low resistor for harmonic frequencies.
对外电路而言，在基波频率下有源滤波器被控制为无限大阻抗，在谐波频率下被控制为小电阻。
It is possible for the feed system to have a low impedance, looking downstream from the pressure source at a certain frequency.
在压力源下游，供应系统在某一频率下可能有一低的阻抗。
The endurance test is a rigorous test for the total performace of a tantalum electrolytic caparitor due to its low impedance, small leakage, high frequency charateristics and high reliability.
钽电解电容器具有阻抗低、漏电流小、高频特性好、可靠性高等特点，而耐久性试验是对电容器产品综合性能最严峻的考验。
Improper initial value will result in errors of low frequency component, relative wave impedance and stratum thickness to cause pitfalls of seismic data interpretation.
初位选择不同会出现反演的多解性；初值选择不当，会导致低频分量、相对波阻抗及岩层厚度的错误，产生地震解释的陷附。
高频率低阻抗。
And the absence of low frequency information leads to fail to reconstruct the wave impedance.
低频成分的缺失导致重构波阻抗的失败。
The results based on electrochemical impedance spectrum showed that the real part at low frequency of carbon steel contracted after adding YC-1, the diameter of EIS increased.
交流阻抗研究表明碳钢在薄层电解液中的阻抗谱图成实部收缩的半圆，加入YC-1后半圆的直径增大。
Small, low impedance, the high pressure resistance electric capacity, mainly applies to the sound frequency dividing circuit.
小型，低阻抗，高耐压电容，主要应用于音响分频电路。
The frequency response will be good as well, since there is no loss in effective impedance at low frequencies.
频响也会好一些，因为低频段有效阻抗不会下降。
Now most sound absorption layers are impedance transition constructs, which have been used widely, but their thickness is limit and cannot meet the need of absorbing sound at low frequency.
现代应用较多的吸声层大部分是阻抗过渡式结构，但是厚度有限，无法满足低频吸声的要求。
But for high frequency problem and complex structure, too dense grid of object will lead to dense impedance matrix and many unknown variables, so the computational efficiency will be very low.
但是在处理高频问题和具有精密结构的缝隙时，对目标剖分过密会导致稠密的阻抗矩阵，未知量增加，影响计算的效率。
The exact formulae of the acoustical impedance of a narrow slit and its low-frequency approximation are available.
窄缝的声阻抗严格公式以及低频近似公式都存在。
Advantages are: high frequency and low impedance, good heat endurance, high withstand voltage, impulsion resistance of high ripple current, and long service life etc.
本发明所得电解液可使铝电解电容器获得高频低阻抗、耐热性好、耐压高、耐高纹波电流冲击、长寿命等优点。
Advantages are: high frequency and low impedance, good heat endurance, high withstand voltage, impulsion resistance of high ripple current, and long service life etc.
本发明所得电解液可使铝电解电容器获得高频低阻抗、耐热性好、耐压高、耐高纹波电流冲击、长寿命等优点。
应用推荐