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- circular disc monopole antenna 圆片单极天线
- circular disc monopole UWB antenna 超宽带圆片单极天线
- The suggests that monopole antenna was inefficient and was not ideal... 而实验显示螺旋型天线在靠近顶部时是最强的,辐射能量集中而有效。
- In addition, the circular disc refractometer can achieve quite good linearity even for non-parallel light beams. 这种圆盘型光电折射率计甚至可对非平行入射光束仍保持相当好的线性度。
- Electric fields radiated by ESD are studied experimentally with a monopole antenna. 利用单极子天线对静电放电产生的电磁脉冲进行了实验研究。
- Tilting Disc Check Valves consist of a cylindrical housing, with a pivoted circular disc. 翻转式阀瓣止回阀由圆柱形外壳及转动圆盘阀瓣构成。
- A novel broad-band omnidirectional monopole antenna with dual-frequency is presented. 摘要文章介绍了一种新型宽带双频全向单极天线。
- In this paper a monopole antenna of millimetre wave fed by waveguide-coax transition was introduced. 本文介绍了一种以波导一同轴馈电的毫米波单极子天线.;其机械结构的轴对称性保证了其电性能的轴对称性。
- A Circular disc refractometer with linear output response of photo-electrical signal to liquid refractive index has been developed. 提出一种具有线性响应的圆盘型液体光电折射率计。
- The radiating characteristics of the loaded pulse ultra-broadband monopole antenna are full discussed in the paper. 在设计过程中采用了时域有限差分法进行计算。全面分析了加载脉冲单阵子宽带天线的许多辐射特性。
- Report that UFO external form assumes the circular disc shape (plate shape) , the orbed sum cigar shape much on the grounds of witness. 据目击者报告,不明飞行物外形多呈圆盘状(碟状)、球状和雪茄状。
- A compact rectangular monopole antenna fed by a tapered coplanar waveguide (CPW) with a band-notch function is proposed. 提出一种具有频带阻断特性的小型化渐变共面波导馈电矩形单极天线。
- A semi-analytical and semi-empirical method is used to formulate a displacement solution for the circular disc with a pair of flattened areas under diametral compression. 摘要用半解析半经验的方法推出圆盘对径压缩的一个位移解,该公式可以估算力作用点有微小平台时直径的压缩位移。
- The planar monopole antenna provides extremely high width impedance characteristics which has been proposed for modern and future wideband wireless applications. 摘要平面单极性天线可用来提供很高的的阻抗带宽特性,应用于目前或将来的宽带系统中。
- In this paper, we studied two important conclusions on the estimation and lo cation problens of matrix eigenvalue-Gerschgorin circular disc theorem and Ostrowski Cir cular disc theorem. Theorem 1, 2 and 3, were glven for application. 本文对矩阵特征值估计和定位问题的两个重要结论Gerschgorin圆盘定理和Ostrowski圆盘定理进行深入研究,并给出便于应用的定理1、定理2和定理3。
- Characteristics of the developed rectangular aperture antenna and slit-loaded circular-tapered monopole antenna are then examined in time and frequency domain at certain plane cuts. 本论文所提及之矩形槽孔天线与狭缝槽负载之圆形渐开单极天线被用来分析其在某些平面切面在频域和时域的特性。
- A 1/10-scale model quasi-fractal RCL-loaded monopole antenna was fabricated and measured, which has a bandwidth ratio of about 10:1, with VSWR less than 3.0, calculated system gain greater than -9.4dB and the efficiency above 14%. 加入宽带匹配网络后;对其10:1的缩比模型天线进行了测试;在全频率段内驻波系数小于3;理论增益大于-9.;4dB;效率大于14%25。
- An omnidirectional ultra-wideband monopole antenna, with the characteristics of simple structure, easy fabrication and low cost, mainly comprises a ground plane, a U-shaped radiating member above the ground plane and a feeding member. 一种可提供超宽频操作频带之全向性超宽频单极天线,其具有结构简单、制作简单以及成本低廉的特性。
- OPTICAL RAY ANALYSIS IN CIRCULAR DISC REFRACTOMETER 圆盘式折射计中的光线分析
- Monopole antenna of millimeter wave 毫米波单极子天线