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电路屏
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  circuit analog
     Therfore, through rational composite material design and preparation , the radar-absorbing structure composite with circuit analog can have good radar-absorbing property.
     通过合理的设计电路屏及使电路屏结构尺寸与吸波结构中的介质层相匹配,电路模拟结构可以有效地提高吸波结构的吸波性能。
短句来源
     This paper presents a new method for designing circuit analog (CA) multi-layer absorbers using modern genetic algorithm (GA). The GA automatically synthesizes the EM parameters and thickness of each layer and the parameters of the metal circuit screen provide several design schemes simultaneously.
     提出了一个应用遗传算法的电路模拟多层吸收体的新设计、遗传算法自动综合各层的电磁参数和厚度以及金属电路屏的各参数,并同时提供几个设计方案。
短句来源
     It has been found that the circuit analog play the role of reflection screen and can be used to adjust the radar-absorbing structure composite surface-resistance, improve the EM wave energy attenuation property of the radar-absorbing structure composite and widen the work frequency band width of EM wave .
     重点研究了电路屏结构尺寸、电路屏所处位置及复合材料体系各层中吸收剂配比对吸波特性的影响,结果表明,电路屏在雷达吸波材料中起到了以下的作用:电路屏能引起入射电磁波与反射电磁波的干涉,起到又一反射屏的作用; 电路屏的加入能增大吸波结构的表面输入阻抗。
短句来源
     Experimental results show that as felt width and a/b are 5 mm and 2 respectively, inductive circuit analog absorber gains the best absorbing properties and that the reflection loss in 8 GHz to 19 GHz frequency is below -10 dB and the maximum peak is below -30 dB. As distance between felt width and a/6 are 5 and 1.4 respectively, capacitive circuit analog absorbing gains the optimal absorbing characteristics;
     结果表明:感性电路屏在毡条宽为5mm、a/b为2时吸波性能最好,在8 GHz-18 GHz内达到-10dB以下的反射衰减,最大衰减峰达-30 dB以上;
短句来源
  “电路屏”译为未确定词的双语例句
     The composite achieves a reflection loss below-20dB at 11.8~18GHz and the minimum value reaches-30dB when the distance between strips,the width of strips and the space between fibers are 10mm,5mm and 8mm separately.
     分块中心对称的感性电路屏(毡条宽5 mm,间距10 mm)和直立碳纤维(间距8 mm)混杂吸波体在11.8~18 GHz频带内有低于-20 dB的反射衰减,最大吸收峰值-30 dB。
短句来源
     When the distance is 8mm and the rate of weight growth of the nikel coating is 283.3mg/g, a refection loss below -10dB over 4.5GHz bandwidth was obtained, and the maximum reflection loss was -24.3dB. Radar absorption performance of the orthogonal-arranged SiCf circuit / epoxy composite was not improved by adding carbon black.
     当纤维间距为8mm,增重率为283.3mg/g时,可获得有效频带达4.5GHz,最大吸收峰-24.3dB的反射衰减; 添加导电碳黑恶化了碳化硅纤维正交电路屏/环氧树脂复合材料的吸波性能。
短句来源
     Results show that the absorbing performances of composites are affected greatly by the lattice and element configurations of the screens.
     结果表明,碳毡电路模拟吸波材料的吸波性能与电路屏阵列单元的结构和尺寸密切相关。
短句来源
     The influence of the content of absorbent and the structure of circuit analogue on the mechanical properties of microwave-absorbing composite materials was investigated. The properties of bend, compression and shearing in room temperature and 80℃ were tested.
     研究了填充吸收剂、加入金属、纤维电路屏对吸波复合材料力学性能的影响,测试了含电路模拟结构吸波复合材料在室温和80℃下的弯曲强度、弯曲模量、压缩强度、压缩模量及剪切强度的变化。
短句来源
     Radar absorption performances of orthogonal-arranged SiC_(f) circuit/epoxy composite and orthogonal-arranged electroless-nikel-plated SiC_(f) circuit/epoxy composite were studied.
     研究了SiC纤维正交电路屏/环氧树脂复合材料和化学镀镍SiC纤维正交电路屏/环氧树脂复合材料的吸波性能。
短句来源
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  相似匹配句对
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短句来源
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短句来源
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短句来源
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短句来源
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  circuit analog
This result is then incorporated into a synthesized electric circuit analog of flow between ciliary artery and episcleral vein.
      
This model applies current balance and potential balance equations to a stack and treats the electrolyte, manifold and membrane separator as resistance elements in an electric circuit analog.
      
Model includes electrolyte, manifold and membrane separator as resistance components in the electric circuit analog of the stack.
      
The resistance computed from the experimental data according to the LRC-circuit analog depends strongly on theelastic properties of the airway walls, as well as the pressure drop in the upper airway due to viscous friction and turbulence in the flow.
      
Multi-cumulant, multi-objective structural control: a circuit analog
      
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This paper presents the initial study on a new typo readar abeorbing material─CircuitAnalogue RAM, which has only reported as a netws in brief on literatures without a ny details abeut itsworking performance and design method,By using a circuit mode,this paper proposes a des-cription of theeffect of circuit screen on the refection characteristics.and it is concluded that the screen must be inductivein nature. on this basis,a simple method for design single layer and two layens CA RAM is given. Twodesign examples...

This paper presents the initial study on a new typo readar abeorbing material─CircuitAnalogue RAM, which has only reported as a netws in brief on literatures without a ny details abeut itsworking performance and design method,By using a circuit mode,this paper proposes a des-cription of theeffect of circuit screen on the refection characteristics.and it is concluded that the screen must be inductivein nature. on this basis,a simple method for design single layer and two layens CA RAM is given. Twodesign examples using domestic absorbants are proposed, their characteristics are obviously better thanordinary abeorbing materials.

对一种新型雷达吸收材料─—电路模拟吸收材料进行了初步研究,该材料仅在文献中作为简讯报道过而无其工作特性和设计方法的细节。应用电路模型对电路屏反射特性的效应作了描述,并得出电路屏必须是感性的结论。在此基础上提出了单层和双层材料的简单设计方法,并给出了采用国产吸收剂的两个设计例,设计得出的吸收特性明显高于普通吸收材料。

How to apply the circuit analog to radar structural absorbers to improve their reflection characteristics under TE polarization plane wave incidence is studied.The input impedance in the absorber can be increased rapidly by inserting an inductive screen into the absorber.The method to select the screen parameters is given.A design example is presented,which exhibits better performances than those of ordinary design.

研究了在雷达吸波结构中应用电路模拟技术改进其在TE极化平面波入射下的反射特性的方法。证明了在吸波结构中插入感性电路屏可使其输入阻抗迅速增大,论述了选择电路屏参数的方法,并给出一个设计实例,其特性比通常设计好得多。

This paper presents a new method for designing circuit analog (CA) multi-layer absorbers using modern genetic algorithm (GA). The GA automatically synthesizes the EM parameters and thickness of each layer and the parameters of the metal circuit screen provide several design schemes simultaneously. But when using the GA in designing extraordinary wide band absorbers, its iterative process will go to fluctuation and give some bad results within the band. For overcoming these drawbacks, two techniques are introduced...

This paper presents a new method for designing circuit analog (CA) multi-layer absorbers using modern genetic algorithm (GA). The GA automatically synthesizes the EM parameters and thickness of each layer and the parameters of the metal circuit screen provide several design schemes simultaneously. But when using the GA in designing extraordinary wide band absorbers, its iterative process will go to fluctuation and give some bad results within the band. For overcoming these drawbacks, two techniques are introduced to GA program, and the operating performance is improved obviously. The new method shows that it is of high design efficiency and of easy use. The design examples also show that in the absorber without metal base cases, the characteristics of CA absorbers are much superior than ordinary designs, which give low reflection within very wide band with a thinner thickness and less materials used.

提出了一个应用遗传算法的电路模拟多层吸收体的新设计、遗传算法自动综合各层的电磁参数和厚度以及金属电路屏的各参数,并同时提供几个设计方案。当应用遗传算法对特宽带吸收体设计时,其迭代过程出现波动和在带内出现不好的结果。为了克服这些缺点,文中引入了两项技术,使其工作特性明显地改善。设计实例表明在无金属基底的吸收体情形,电路模拟吸收体比普通设计优越得多,在厚度更小和用更少材料下能在特宽带内获得低反射。

 
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