principle of antenna 中文意思是什麼

principle of antenna 解釋
天線原理
  • principle : n. 1. 原理，原則。2. 主義；政策；〈常 pl. 〉道義；節操。3. 本質，本體，根源；本原，源泉。4. 本性，本能；天然的性能；天賦的才能；動因，素因。5. 【化學】素，要素；精。
  • of : OF ＝Old French 古法語。
  • antenna : n. （pl. -nae , antennas）1. 【動物；動物學】觸角。2. 【無線電】天線〈英國常用 aerial〉。
  1. The theoretic formulas imply that mimo system can make use of multipath fading in full of scatter enviorment and its channel capcacity is in proportion to the transmt or receive antenna. 2. paper mainly explains the basic principle of bell laboratory layered space - time ( blast ) architecture

    2 .論文重點闡述了實現mimo系統中空間復用技術的貝爾實驗室空時分層（ blast ）結構的基本原理， blast結構作為實現mimo系統巨大容量的一種有效的手段，其核心是基於排序的串列干擾消除（ osic : orderingsic ）檢測演算法。
  2. A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide

    把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式，包括曲面橫截線為對稱、非對稱圓弧，拋物線弧，雙曲線弧，橢圓弧等.然後根據等效原理，推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式，給出計算曲線.這種解雖然是近似的，但卻能解決這類共形波導縫隙天線的工程設計
  3. This dissertation, sponsored by the project of “ the novel types of antennas and diversity technology ” which is one part of the 863 program, focuses on the multi - antenna design for wireless handsets in the mimo system. with the overview of the principle of the multi - antenna used in mobile terminals, the thesis introduces the design method of multiply antennas, brings forward three types of wearable antennas and three types of microstrip patch antennas applied in handheld terminals

    本文在介紹了mimo系統移動終端天線基本理論的基礎上，詳細闡述了mimo系統移動終端天線的設計方法，提出了適合於mimo移動終端的三種可穿戴式天線及三種內置微帶貼片天線;並通過天線各參數的測量以及mimo系統試驗平臺的外場測試對所設計天線進行了驗證。
  4. The principle of the method is illuminated by the numerical simulation of the scattering of caustic region in a two - dimensional concave antenna

    本文通過對二維凹面天線焦散區散射場的數值模擬詳細介紹了這一理論的基本思路。
  5. It has the characteristic of non - gear - box, large output torque, small volume, easy control, fast response, high track precision, high reliability etc. the system has potential advantages over substituting for traditional hydraulic or pneumatic missile actuator servo control system and has wide prospect in the fields of aerial actuator, servo valve, robot, radar antenna etc. the system ' s operation principle, control idea, functions and realization of each component are discussed in detail

    該系統在取代傳統的液壓、氣動導彈舵機伺服控制系統方面有很大潛力，同時在航空舵機、伺服閥，以及機器人關節的直接驅動、雷達天線等領域具有廣闊的應用前景。論文詳述了系統的工作原理與控制思想，以及系統方案的設計和各組成部分的功能與實現方法。
  6. Optimization principle of antenna and feeder system in mobile communication

    淺析移動通信中天線饋線系統的優化
  7. The precise measurement data can be useful for antenna design and slot coupling studding. this paper gives it ’ s deduction through reciprocity principle and the structure of the optically modulated scatterer system. an applied optically modulated scatterer system is designed and photodiodes are used as modulation module

    本文給出以互易原理為基礎的光調制散射器測量法的理論推導，並用光電二極體光導開關作為散射器中間部分的光調制單元，設計出了實用的光調制散射器微波測量硬軟體系統。
  8. Firstly, the work principle of staring laser detection optical system is introduced, and the relation between optical antenna ’ s amount and fov in laser warning system of optical antenna array is deduced

    首先闡述了凝視型激光輻射探測光學系統的工作原理，推導了光學天線陣列激光告警系統中光學窗口數與光學單元視場角應滿足的關系。
  9. Based on the characteristic of system, the antenna is designed with one transmitter and two receivers and the localization principle of twsr is analyzed. target localization algorithm and error distribution computing method based on time - only - localization ( tol ) are proposed

    同時根據系統特點，天線採用單發雙收方式，分析了穿墻探測雷達定位原理，提出了基於波達時間（ tol ）的目標定位演算法和誤差分佈計算方法。
  10. According to the tracking principle being exploited, we make the simulation plan and flow chart, and emphasis on discussing the facts that the tracking receiver in antenna systems affects the capturing and tracking systems. the data simulation model of the tracking receiver is built up. using matlab simulation, we verify the fact, investigate the accuracy factors and finally conclude all in practice

    在自動跟蹤系統中，跟蹤接收機作為核心控制單元，根據所採用的跟蹤方式的原理，制訂模擬方案，確定模擬流程，重點討論了天線系統跟蹤接收機性能對捕獲跟蹤系統的影響，研究並建立了跟蹤接收的數字模擬模型，通過matlab模擬軟體系統進行了模擬分析和驗證，研究了各種參數對系統精度的影響，得到了有實用價值的結果。
  11. The principle, antenna and some problems of terrain mapping radar are described. two origins of terrain data and digital simulated radar model have been fused

    並論述了地形測繪雷達的原理、天線形式、存在的問題，給出了產生實時地形數據的雷達數學模型。
  12. Above all, the study status and trends in development of rfid antenna are summarized in this thesis. the basic composition and operational principle of rfid system are discussed systematically as well as the division of the fields of antenna and the coupled modes of energy capacity. and the operating frequency and typical application of rfid are investigated to determine basic antenna structure

    本文首先對rfid技術的研究和發展現狀進行了綜述，系統的闡述了rfid的基本組成和工作原理、天線場區的劃分、能量耦合的方式以及rfid的典型工作頻率與應用，並確定基本的天線形式。
  13. 2 presentation of the structure and principle of smart antenna, and concern the application of smart antenna to mobile communication. 3 introduce music algorithm, and then demonstrate its resolution ability to doa of uncorrelated signals with computer simulation

    二介紹智能天線的結構及其工作原理，然後論述它在移動通信中的作用，並說明doa估計在智能天線以及移動通信中的作用，從而引出music演算法。
  14. This article introduces some aspects of development of the tilt sensor at home and abroad as well as the principle of measurement, the application in carrier antenna controller is included

    本文簡要介紹了國內外傾斜傳感器的發展情況和測試原理，以及在艦載天線控制中的應用。
  15. The principle of the cancellation of active stealth by phased antenna arrays is presented, together with the definition and the typical values of cancellaty, which is an important parameter to measure the stealth effects

    提出了用相控陣法實現對消式有源隱身的原理方案。定義了一種衡量隱身效果的重要參數? ?對消度，給出了其表達式和典型值。
  16. In this paper, we introduce the structure, characteristics and functions about programming antenna pedestal harmonic drive also we give out the principle of hardware and software design

    摘要介紹了新研製的程式控制諧波天線座系統的組成、特點和功能。針對本系統的實現闡述了該控制系統的原理、硬體設計和軟體配置。
  17. Firstly, the paper presents the fundamental principle of microstrip patch antenna, focusing on the principle and design method of the three arrays mentioned above

    文章首先對微帶貼片天線的基本原理進行了介紹，重點分析了串饋線陣、均勻分佈以及泰勒分佈並饋線陣的原理和設計方法。
  18. This paper firstly introduce the background and signification of this research, tdd - cdma communication principle including its technology advantage, then research the critical technology of its physical layer such as power - control technology, soft handover, multiuser detection, diversity technology and rake receiver, software radio and smart antenna and so on

    第一章，簡明扼要地介紹了研究背景和意義以及本論文所做的工作。第二章，概述了tddcdma的通信原理，包括cdma擴頻通信原理、 tdd的工作原理、 tddcdma的技術優勢及存在的問題。
  19. In order to acknowledge and understand the principle of cfa, this paper introduces the radiation and working rules of traditional antenna and cfa. furthermore, it points out disputation about cfa

    為了很好的認識和理解cfa的工作原理，本文首先比較了傳統振子型天線與新型cfa天線的輻射和工作原理，並且指出了cfa理論存在的爭議。
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