利用多孔结构增加换能器频带宽度，是换能器设计方面的一个新的理论问题。
The use of perforated structure can increase the bandwidth transducer, which is a new theoretical problem in designing transducer devices.
椭圆形平板天线有结构简单、频带宽、馈电相对简单等优点，可以满足小型化天线同时具有宽频带和高增益的要求。
The elliptical planar monopole antenna has the advantages of simple structure, wide band and relatively simple feed, so it can meet the demands of wide-band and high-gain at the same time.
单频调谐质量阻尼器已被较多地用于结构振动控制中，但是它的被控频带比较窄。
The Side tuned mass damper (STMD) has been used more often in control of structure vibration, but its controllable frequency range is relatively narrow.
首先，通过采用复合式结构展宽抑制元件频带。
First, effective frequency band of component is widened by compound structure method.
本文对其网络结构、工作频带划分、网络特点进行了介绍和分析。
The net structure, operating frequency partition and net feature of the bidirectional hybrid fibre coax are introduced and analyzed.
基于周期性槽孔结构的空间谐波的分析，讨论了抑制高次谐波以拓展使用频带的方法。
Based on the analysis of spatial harmonics of periodically slotted structure the method for extending operation frequency-band through suppressing higher-order harmonics is discussed.
试验结果表明，这种结构可较大地展宽传感器的工作频带。
The test results show that by this structure the working frequency bandwidth of the transducer is expanded and the dynamic measurement error reduced.
在一定的结构条件下，由于声子模与模的耦合作用，出现了共振透射和禁止频带。
The stop-frequency gap and the transmission resonance are observed for certain structural parameters due to mode-mode coupling.
测量结果显示，新型EBG结构在宽频带内具有良好的阻带特性。
Measurement result shows that this novel EBG structure has good stopband characteristic in a wide band.
单频调谐质量阻尼器已被较多地用于结构振动控制中，但是它的被控频带比较窄。
The single tuned mass damper (STMD) has been used more often in control of structure vibration, but its controllable frequency range is relatively narrow.
采用空心梁结构不仅能产生应力集中而且能减少梁的自身质量带来的影响，可以有效地展宽频带。
The hollow beam construction not only produce the stress concentration, reduce the effect of beam mass but also extended the bandwidth.
该电路具有频带宽、电压传输和电流传输精度高、结构简单、易于实现及成本低廉且实用性好的特点。
The circuit has wide frequency bandwidth, high voltage and current transfer accuracy, simple structure. For this reason, it is easy to be realized with low cost for universal applications.
方形螺旋天线结构简单、频带范围宽，是一类性能优良的天线，但在变成定向辐射后其带宽会大大减小。
The square spiral antennas have many outstanding merits such that its structure is simple and its bandwidth is wide.
提出了一种新型的宽频带共振吸声结构，该结构基于赫姆霍兹共振吸声机理，并充分利用了软管在长度上的优势，易于实现对低频噪声的控制。
Based on the sound absorption mechanism of Helmholtz Resonator, the advantage of soft tube length is fully used in the new structure, and thus the low-frequency noise can be controled easily.
结果表明，吸声材料与吸声结构的有机结合显著提高了结构的吸声效果，拓宽了吸声频带宽度。
The results show that the appropriate combination of sound absorption materials and sound absorption structures can improve the sound absorption effect, and the absorption broadband is widened.
结果表明：在较宽的地震波频带内，两种阻尼器对于控制这一不规则结构的扭转效应，提高该结构的整体抗震性能均有较好的减震效果。
Then, the dynamic response of the uncontrolled structure and controlled structure are intestigated under the excitation of earthquake from three aspects of energy, displacement and force.
由于采用了行波结构和特殊设计，所以能够获得较宽的频带和较低的副瓣电子。
Because of the travelling-wave make-up and specific design, the broader bandwidth and the lower side lobe level can be achieved.
我们已经表明，频带有限的接口抖动有很强的关系的串行接口代码位结构，因此它可以高度与相关音频数据传输。
We have shown that band-limited interface jitter has a strong relationship to the bit structure of the serial interface code, and hence can be highly correlated with the transmitted audio data.
文中介绍了一种用于宽频带低通EMI滤波连接器的设计，重点描述了该滤波器的滤波原理和结构设计，并对滤波插针的有关参数进行了理论计算以及仿真。
The article introduces the design of the broad band EMI filter connector, with the emphasis on the principle and the structure of the filter.
计算结果表明该方法在获取复杂结构的宽频带响应时，能大大地节省计算时间。
Numerical results demonstrate that the computational efficiency of this method is considerably improved compared with the traditional FDFD .
平面单极天线以其结构尺寸小、工作频带宽、全向性能好、生产制作工艺简单等优点，广泛地应用于无线通信系统中。
The planar monopole antennas not only have these merits but also have the properties of wideband, low profile, and easily connecting to microstrip line feeding network.
当连续图像信号的频带处于一个圆形区域之内时，正六边形点阵结构的采样密度比矩形点阵结构的采样密度要降低13。
However, when the signal is a circularly band-limited, the minimum sampling density for a hexagonal sampling lattice is 13.
宽频带地震数据库是中国岩石圈三维结构数据库的子库之一。
Broadband seismic survey database is one of sub-database under China lithosphere 3d structure database.
通过理论设计及CAD辅助计算得到了一种“陷阱”式的宽频带层板型结构吸波材料和一种宽频带蜂窝夹层型结构吸波材料。
By theoretical design and CAD, a kind of wide frequency-width Radar Absorbent Structure Plate named "trap" and a kind of wide frequency-width Radar Absorbent Honeycomb Sandwich Material are obtained.
从不同结构的超宽带平面单极子天线实现频带抑制的方法出发，研究实现频带抑制的基本原理和常用方法。
In this paper, through approach of various band-rejected UWB planar monopole antennas, principles and methods are researched.
最后，提出了一种基于子频带特征提取和二叉树结构支持向量机相结合的电能质量多分类方法。
Finally, a method based on sub-band feature extraction and Support Vector Machine with Binary Tree Architecture (SVM-BTA) is presented for power quality disturbances multi-classification.
当连续图像信号的频带处于一个圆形区域之内时，正六边形点阵结构的采样密度比矩形点阵结构的采样密度要降低13.4%。
However, when the signal is a circularly band-limited, the minimum sampling density for a hexagonal sampling lattice is 13.4% less than that for a rectangular sampling lattice.
基于六端口技术的直接变频接收机被证明是一种适用于可重构、重复编程、多频带、多标准的很有前途的接收机结构。
The aim of this work is to research the six-port theoretical background, and design a Ka-band direct conversion receiver front-end based-on six-port.
基于六端口技术的直接变频接收机被证明是一种适用于可重构、重复编程、多频带、多标准的很有前途的接收机结构。
The aim of this work is to research the six-port theoretical background, and design a Ka-band direct conversion receiver front-end based-on six-port.
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