A new coaxial antenna with the loaded inductance at the base is presented. 本文提出一种新的同轴型底部加感天线。
Research on X-band Cascade Omnidirectional Coaxial CTS Antenna X波段级联全向同轴CTS天线研究
When using frequency sweep meter to measure the input impedance of antenna, the balanced-unbalanced transformer must be connected between coaxial transmission line and antenna. 用扫频仪测量天线的输入阻抗时,在同轴传输线与天线间应按平衡&不平衡变换器。
The radiation fields and the design of coaxial biconical antenna are obtained with the field of equivalent Huggens source on the spherical surface aperture. 用口径场的方法对有限长同轴双锥天线进行了分析和设计。
The coaxial probe feed of a printed antenna formed by extending the inner conductor of a coaxial line is a relatively simple feeding model. 利用同轴内导体延伸作为探针对印刷天线进行直接馈电是一种易于实现的馈电方式。
The coaxial cable slot antenna is widely used in telecommunication and broadcast due to its special characteristics of impedance and radiation. 同轴线斜置缝隙天线以其独特的辐射特性与阻抗特性,在通信和广播中得到广泛应用。
The disadvantage of the traditional method by extending the inner wire of the coaxial cable to feed to the center of H printed antenna is analyzed, and a new method of designing external feed structure based on the characteristic of feed-edges is given. 分析了延长同轴内导体给H形印刷板天线中部进行馈电方法的缺点进行了分析,提出了根据馈电边缘特征设计馈电外导体结构的思想。
Comparison of the radiated field between leaky coaxial cable and monopole antenna in the blind zone 闭域空间泄漏同轴电缆和单极天线辐射场的比较
The optimum design of coaxial bi-reflective optical antenna systems 共轴双反射光学天线系统的优化设计
Beginning with the radiation theory of leaky coaxial cable and antenna and using the ray tracing method, the radiated fields produced by both leaky coaxial cable and monopole antenna were analysed with the well shielded indoor space as example. 从泄漏同轴电缆和天线的辐射理论出发,利用射线追踪法,以屏蔽良好的室内空间为例分析了其中由泄漏同轴电缆和单极天线产生的辐射场。
Research of Broadband Coaxial-to-Rectangular Waveguide End Launcher Antenna Element 宽带端馈式同轴矩形波导天线单元的研究
This thesis mainly analyzes the coaxial probe-fed microstrip antenna and studies the broadband microstrip antenna. 本文主要对同轴探针馈电微带天线进行分析以及对宽频带微带天线进行研究。
A coaxial base-loaded antenna on finite ground and conductive step is analysed by hybrid method of MM/ GTD. 本文用混合法&MM(矩量法)和GTD(几何绕射理论)相结合,分析位于有限接地平面或导体台阶上的同轴型底部加载天线。
Research on Gain of Serial Feeding Crisscross Coaxial Antenna 串馈式交叉共轴天线增益的研究
The characteristics of magnetic field and magnetic flux distribution and scattering field in the coaxial double-deck cylindrical magnetic substance is studied using the theory of electromagnetic field, and suggestions are made to improve the characteristics of normal helical antenna using theoretical analysis and numerical calculation. 根据电磁场理论,利用理论解析和数值计算的方法,分析了平面波入射时双层同轴圆柱形磁性体中的磁场、磁通分布及其散射场的特性,提出了改善法向模螺旋天线的建议。
Analysis and Computation of Radiation Characteristics of Crisscross Coaxial BS Antenna 交叉共轴基台天线辐射特性的分析与计算
The thesis deeply analyzes the factors which affect the bandwidth of microstrip antenna and studies the influence of coaxial probe which is applied to feed to microstrip antenna. 深入分析了影响微带天线带宽的因素,研究了同轴探针馈电微带天线的同轴探针对微带天线带宽的影响。
Superpositions of the reflected wave received by coaxial antenna sensor and the incident wave become a standing wave, that is, the coaxial line works in a state of standing wave. 反射波经同轴式天线探头接收后与入射波迭加成驻波,即同轴线工作于驻波状态。
HIC coaxial antenna preamplifier HIC天线前置放大器
By equalizing the three-dimension current source to the two-dimension current source in spectral domain, the coaxial probe-fed microstrip antenna is analyzed with the full wave method and moment methods is used to numerically analyze the integral equation. 通过在谱域中把空间三维电流源等效成二维平面电流源,对同轴探针馈电的微带天线进行全波分析,运用矩量法对积分方程进行数值分析。
Moment Method Analysis of Coaxial-Cable Higt Gain Antenna 同轴高增益天线的矩量法分析
Therefore, when a beam of microwave is transmitted into crude oil to be measured through a coaxial antenna sensor, the reflected wave occurs, the intensity of which is in accordance with the percentage water content in crude oil. 因此,当一束微波从同轴式天线探头发射到被测石油中,将按含水率的不同产生相应强度的反射。
Analysis of Coaxial Base-Loaded Antenna Using MM/ GTD Method 用MM/GTD法分析同轴型底部加载天线
Additionally, in condition of neglecting the impact of high-order modes, this paper is also with the coaxial line analysis, provides the electric time domain expression flowing feed point and antenna in the coupling base on coaxial line TEM equation. 同时,在忽略高次模影响下,文章进行了同轴线分析,基于同轴线TEM波方程,推导了馈电点与天线场耦合处电流方程的时域表达式。
Then it changes into an unrestricted goal function through adding to the penalty function and gets a set of the external diameter values of the coaxial configuration which can match well with the antenna by optimization. 通过加入罚函数将其转化为无约束目标函数,并优化得出一组使天线匹配良好的同轴线结构外径值。
As examples, both a multiple circumferential slotted coaxial antenna and a microstrip slot array are designed using this method to achieve shaped radiation pattern. The shaped beam is realized by adjusting the feed line that composed of stepped impedance lines. 作为应用实例,用此算法设计了串联馈电的波束赋形天线,提出了使用阶梯阻抗线对微带缝隙和同轴缝隙串联馈电以实现赋形波束设计的方法。
Because LCX can radiate electromagnetism energy to the outer space along the axial and radial direction of it, Leaky Coaxial Cable can be used as a transmission line and also a radiating antenna. 由于它可以沿其轴向和其径向周围空间辐射电磁能量,所以泄漏同轴电缆具有传输线和辐射天线的双重特性。
The Leaky Coaxial Cable is also called Continue Antenna, it is formed by configuring slots along the outer conductor of Coaxial Cable periodically or unperiodically followed specifically electromagnetic field theory. 泄漏同轴电缆,也称连续天线,它是遵循特定的电磁场理论,沿着同轴电缆的外部导体周期性或非周期性配置开槽口而形成的。
Leaky Coaxial Cable& LCX, is one kind of coaxial cable with continual slots array antenna. 泄漏同轴电缆,是一种配置连续缝隙天线阵的馈电线。