linear antenna 中文意思是什麼
linear antenna
解釋
線天線-
First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array
首先以單脈沖相控陣天線測角原理為基本理論出發點，利用相位控制的坐標分離技術，基於線陣、圓形陣等簡單形式的相控陣天線，推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。 -
This article takes the application of pa and antenna in wlan as the clue, and makes research and experiment implement of the non - linear distortion occurring in pa and networking antenna technique
本文以雙向功放和天線在wlan中的應用為線索，對雙向功放在使用過程中出現的非線性失真問題和組網天線技術進行了理論研究和實驗模擬。 -
At first, the author generally introduce the basal conception and theory, then discuss the existed optimal criterion and adaptive beamforming algorithm. the research of smart antenna at present is usually about theory discussion, and the theory analyzing object is usually linear array antenna, but td - scdma adopt circinal array antenna
該部分先簡要介紹了智能天線的基本概念和原理，包括智能天線的工作原理、分類、主要功能、研究內容與發展動態；然後闡述了目前存在的智能天線最優權準則和自適應演算法及其存在的問題。 -
Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合 -
The poynting vector that represent the flow of electromagnetic power density on a sphere from a linear dipole antenna is approximated by the summation of the field of segmented line current as hertz dipoles
以赫芝偶極之電磁場合成任意長度偶極天線在球面上電磁功率密度流之時變玻因亭向量。 -
Analyze the linear dipole array with uniform element spacing using the method of moments ( mom ), derive the analytical expression for the recovered signal with the direct data domain method, demonstrate the effect of the mutual coupling on the performance of the antenna array by examples, the degradation of the system caused by the mutual coupling is simulated and analyzed in two different electromagnetic environments such as the weak and strong interference
用矩量法計算了幾個信號同時照射時對稱陣子均勻直線陣的電流分佈，用直接數據域演算法推導了此接收陣列的恢復期望信號的表達式，舉例說明了互耦對陣列天線性能的影響，數值模擬了在弱干擾和強干擾下，互耦造成系統性能下降的情況並分析了原因。 -
Linear array antenna
線陣天線 -
According to the reciprocal characteristic of dual - mcde reciprocal ferrite phase shifters, the antenna only requires to provide the sa : lle beams of operation between the trtinsmit and receive beams. in addition, 1he phased shifter can operate in various polarizations such as linear polarization or circular polarization, which is adiipted to the development of modern ra ( 1ar technologies
對電掃描相控陣天線來說，雙模互易式鐵氧體移相器的互易特性可使收、發在同一特定波束位置上工作；此外，雙模互易鐵氧體移相器可以在線極化、圓極化等多種極化方式下工作，適應了現代雷達技術的發展。 -
A new topology of antenna array named arcuate array is proposed. as the analysis shows, the arcuate array has its particular advantages, and the linear array and circular array can be unified into arcuate array family
接著提出了弧形智能天線陣列結構，分析了弧形陣列的獨特優點，並把直線陣和圓陣統一到弧形陣列結構體系中。 -
The quadrilateral mesh and a special kind of linear basis function is selected on the rooftop so that the treatment of the attachment of the wire antenna to the surface patch is easier than other methods reported in literatures. using the proposed method, the analyses and prediction of electro - magnetic compatibility of the electrically small conducting structure are achieved, which provides a theoretical guidance in the system level design
在使用矩量法的過程中，山于在金屬物體表面運用四邊形面元進行剖分，並在面元上選擇了一種特殊的線性基函數，園時在細天線和面元的連接處使用了改進了的方法，使得在處理細天線與面元電流相連接的部分較之以往文獻提到的方法更為簡單。 -
Linear array and circular array are the two commonest types in adaptive antenna arrays
線形陣列和圓形陣列是自適應天線中最常見的兩種陣列。 -
The distribution of pre - stress in parabolic net of astromesh deployable antenna plays an important role in design and analysis of this kind of deployable antenna, a common method to solve this problem is non - linear finite element method
環形桁架可展天線中心索網的預拉力配置問題是此類天線結構設計與分析的重點，目前，常採用的解決方法為非線性有限元平衡迭代。 -
The major research of this paper is about microstrip patch antenna at the frequency of 24ghz, including single patch antennas and patch arrays. single antennas consist of centre side - fed, offset side - fed and inset - fed patches, while patch arrays consist of series - fed linear arrays, uniform and taylor distributed parallel - fed linear arrays
本文主要研究24ghz的微帶貼片天線單元以及陣列。天線單元包括中間邊饋式、偏移邊饋式和插入饋電式。天線陣列包括串饋線陣、均勻分佈並饋線陣和泰勒分佈並饋線陣。 -
In prototype system, a l - shaped non - uniform linear array with 5 elements is utilized to receive spatial signal with carrier frequency among 2 - 18ghz. the entire frequency band is decomposed into 1ghz sub - bands and then is mixed to 1ghz base band. the base band output of each antenna is sent through a synchronous 250mhz undersampling channels
在本實驗系統中，我們設計了一個5陣元的l型非均勻陣列天線，將的頻段劃分成的子頻段，然後將每個子頻段混頻到的處理基帶后再進行的同步欠采樣。 -
We use six linear equally spaced antenna arrays to simulate svm algorithm for treating with the incident plane wave
本文模擬採用6元直線等距陣列天線對于平面波入射的處理情形。 -
And the general procedures of these methods are summarized. finally, some practical problems are analyzed using fdtd, which include passive linear resistor element and nonlinear diode element in the microwave circuits and an integrated antenna embedded with an active gunn diode element and a dielectric cavity resonator
最後，本文通過編程模擬了微波電路中的無源線性器件電阻和非線性器件二極體，含有有源器件gunn二極體的有源集成微帶天線以及介質腔諧振器等具體實例，來驗證各種方法的可行性和有效性，計算結果與實驗結果吻合。
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