频响也会好一些，因为低频段有效阻抗不会下降。
The frequency response will be good as well, since there is no loss in effective impedance at low frequencies.
导出了差动式调压室大井面积和有效阻抗孔面积的计算方法。
The calculating method of section of the well and the effective impedance hole in the surge tank has been gived.
该模型将微带线的有效阻抗作为匹配负载电阻，然后按适当的比例分布到端接面的网格中。
The model uses the effective impedance of the microstrip line as the value of matched resistive load and assign it into the RL mesh region in a proper proportion.
适当的阻抗加载能有效降低天线rcs，同时还能保证天线的辐射性能。
Proper impedance load can reduce RCS effectively, meanwhile antenna's gain and radiation efficiency are not affected.
在最初抱怨胸痛或者食管外症状的难治反流病人，阻抗检测有效性未得到证实。
The utility of impedance monitoring in refractory reflux patients with primary complaints of chest pain or extraesophageal symptoms is unproven.
通过实验证明，蜂窝陶瓷是阻抗复合性结构，用它制成的消声器对车辆排气噪声可有效抑制。
Experiments demonstrate that the honeycomb-like ceramics has an impedance compound structure, the silencer made of which can effectively control vehicle exhaust noise.
给出了它的有效介电常数，单位长度电容和特性阻抗的解析表达式。
The analytic expressions for its relative effective permittivity, capacitance per unit length and characteristic impedance are given.
由于榴辉岩与其他岩石类型之间存在较大的波阻抗差异，因此用零偏VSP资料标定该区地震波的地质层位是有效的。
Since large impedance contrasts exist between eclogite and other rocks, it is effective that the VSP profiles are used to calibrate geological horizons of seismic reflections.
本文用该方法拟合了两个已有的电磁阻带结构的特性阻抗和有效介电常数。
In this dissertation, characteristic impedance and effective permittivity of two well-known electromagnetic stop band structures have been fitted by this method.
减少的有效输出阻抗的放大器的原因作出反应较少的发言。
The decreased effective output impedance causes the amp to react less to the speakers.
应采取有效策略，消除各种阻抗因素，以保证研究性学习的顺利开展。
Effective strategies have to be taken to reduce various resistant factors for the successful operation of research-type of studies.
由衬底损耗机制，讨论了衬底阻抗、氧化层电容和衬底有效介电常数对滤波性能的影响。
Increasing the substrate resistance and reducing the substrates' oxide thickness and coupled capacitances make a reduction of the substrate loss.
该滤波器采用阶跃阻抗谐振器（SIR）作为谐振单元，可以有效缩短谐振器长度。
This filter is composed of three stepped-impedance resonators(SIRs), and can decrease the length of resonator effectively.
静稳阻抗和低电势阻抗采用正序阻抗，能有效地防止外部短路造成的误动作。
It USES the positive impedance in static stability and low-voltage impedance which can effectively prevent the mal-operation in external faults.
通过计算发现，随着中间电极角度和地电极角度增加，有效折射率、特征阻抗同时减小，导体损耗系数也随之减小。
The calculation results have shown that when the angles of the center electrode and the grounds decrease, the effective index, the characteristic impedance, and the conductor loss all decrease.
引外接地是一种降低地网接地阻抗的有效措施。
Connecting with exterior grounding conductor is an effective measure to decrease ground grid grounding impedance.
利用波阻抗数据体进行了砂岩厚度和有效砂岩厚度预测，预测结果与钻井结果吻合较好。
The impedance data volume was used to predict the sand thickness and the effective sand thickness, showing a good accordance with the drilling results.
优化前后输入阻抗理论值比较表明：采用优化的测试装置进行测试，输入阻抗误差显著减小，并且这一结论在通常意义下都有效。
By comparing input impedance values before and after optimization, it is showed that the error of input impedance decreases sharply when improved testing device is adopted.
因此可以预期，某些EBG结构可以降低阻抗的幅度、减少谐振峰的个数，从而有效地减轻供电系的电磁干扰问题。
We expect that the use of the some EBG structure can reduce the magnitude of the transfer impedances and the number of the resonance peaks, thus contribute to the EMI reduction of the power bus.
时域反射测量是一种技术先进、应用广泛的测量方法，它能有效的测量出线缆的特征阻抗并且确定出断点的位置。
The time domain reflection measurement is an advanced and universal test method. Through this approach, the characteristic impedance and the breaking point of the wire can be detected.
实际钻井结果证明，在研究区采用基于叠前弹性阻抗反演的LMR技术能够有效地识别含水与含气储层。
Actual drilling information shows that LMR technology based on elastic impedance inversion can effectively identify water and gas layers.
与通常晶体管相比，FFJ的有效发射极面积对基极面积之比值提高2～3倍，输出功率-阻抗乘积提高5～10倍。
The ratio of effectual emitter area to base area of a FFJ is 2-3 times greater than a usual transistor and the output power-impedance product is 5-10 times greater.
这些方法分别采用单点馈电，多点馈电或多元组合实现圆极化，均有效拓展了圆极化天线的阻抗匹配带宽和圆极化轴比带宽。
In the methods, single feed, more feed and several patches consisting circular polarization are used to feed the antenna and improve the impendent or ar bands.
电化学阻抗谱分析结果则显示高铬耐候钢具有较致密有效的腐蚀产物膜，抵御离子传导能力增强。
According to the analysis of EIS the weathering steel with high Cr content was cov-ered by a more compact and effective corrosion product film with higher resistance to ions migration.
给出一种无互耦情况下圆形阵列天线零点综合的有效方法，分析了互耦对零点综合的影响，并采用互阻抗近似的方法在考虑互耦时对零点进行控制。
A null synthesis method for circular array without coupling is presented, and the effects of coupling to null are also analyzed by the method of moments.
一种用于有效场极化介质空气净化器的过滤介质，包括两层介电材料，并且在低阻抗的该介电层之间夹设有高阻抗的透气网。
A filter media for an active field polarized media air cleaner comprises two layers of dielectric material, and a high-impedance permeable net is sandwiched in the low-impedance dielectric layer.
在此基础上得出了脊波导结构调制器中缓冲层厚度对特征阻抗和有效介电常数的影响特性。
On the basis of this calculation, the impact of the SiO2 buffer layer thickness on the characteristic impedance and dielectric constant in the modulator with a ridge structure is obtained.
高效修护作用，强化皮肤组织，增强皮肤的抗干扰、自我保护能力，从而有效地阻抗皮肤的衰老。
It can also highly repair skin, strengthen skin tissue, anti-irritation and self-protection capability of skin, thus effectively prevent skin aging.
高效修护作用，强化皮肤组织，增强皮肤的抗干扰、自我保护能力，从而有效地阻抗皮肤的衰老。
It can also highly repair skin, strengthen skin tissue, anti-irritation and self-protection capability of skin, thus effectively prevent skin aging.
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