接收天線列 的英文怎麼說
中文拼音 [jiēshōutiānxiànliè]
接收天線列
英文
receiving array- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 收 : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 列 : Ⅰ動1 (排列) arrange; form a line; line up 2 (安排到某類事物之中) list; enter in a list Ⅱ名詞1...
- 接收 : 1 (收受) receive; reception; accept; [電學] receipt; receiving 2 (接管) take over; expropriat...
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Receiving characteristics of time domain slot antenna array
時域開槽天線陣列的接收特性This paper begins with an overview of the fundamentals of adaptive antennas. the correspondence between a spatial filter and the fir filter is illustrated, and the spatial filter characteristic of adaptive antennas is investigated by dmi and ls - drmtcma algorithms. the discrete - time transmission model of synchronous cdma systems with antenna arrays is also developed
本文首先對自適應天線的基本原理進行了簡要介紹,建立了陣列接收的同步cdma系統離散時間傳播模型,並論述了空域濾波和時域fir濾波器的類比性,用dmi和ls ? drmtcam演算法模擬了自適應天線空間濾波性能。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。In the case that the number of receivers has to be less than that of array elements in an array - antenna, it can receive and process the impinged signals on all the array - elements
在接收機數量少於星載陣列天線陣元數的條件下,基於較少數量的接收機實現全部陣元輸出信號的接收處理。By dividing the large array antenna into a set of virtual subarray antennas, the receivers are connected to each subarray via a program - controlled switch based on time - division - multiplexing, and process the output snapshots on the subarray - antenna
陣列天線劃分為虛擬子陣列,基於時分復用工作方式,通過程式控制交換矩陣與接收機連接,接收機對不同虛擬子陣列天線輸出信號分時進行接收處理。This dissertation is focused on the study of adaptive digital beam forming ( dbf ), two - dim spectrum estimation and the determination of the highness of the object. main work include : 1 a method of adaptive dbf in received antenna array
本文圍繞著自適應接收波束形成、時-空二維譜估計和對目標高度判定等方面進行研究,主要研究工作包括以下幾個方面: 1討論了在接收陣列天線中,自適應數字波束形成( dbf )的方法,引入了采樣梯度矩陣演算法。Thus the main and auxiliary polarization radars form a side lobe canceller system. based on the modeling of this system, an anti - jamming filter algorithm in the polarization - spatial domain is brought forward
針對接收全極化雷達,在其旁邊放置全向雙極化正交陣列天線與雷達構成旁瓣對消系統,並根據系統模型提出了極化域-空域聯合濾波抗干擾演算法。Thirdly, the dissertation presents an anti - interference technology of adaptive array for non - spread spectrum signal using a pilot signal, by which a non - spread spectrum system can use the decoupled 2 - d rake receiver and the original non - spread spectrum system need not be modified
第三,提出了採用擴頻信號作為導引信號的非擴頻信號自適應陣列天線抗干擾方法。該方法使得非擴頻系統可以採用解耦合空時2 - drake接收機,而且不改變原非擴頻系統。By way of analysis about the typical gps receiver tracking loops, the mathematical models of code multipath error and carrier phase multipath error are proposed in the dissertation ; by way of analysis about geometrical model of multipah signal, the mathematical model of differential path delay is proposed in the dissertation ; based on the above analysis, a improved carrier phase multipath mitigation algorithm using closely - spaced multiple antennas array is proposed, the result of computer simulation proves that the algorithm is feasible. the attitude parameters are often estimated using direct computation method. the relationship between the accuracy of attitude parameters and baseline length as well
本文從經典的gps接收機跟蹤環出發,分析了多徑效應對偽距觀測量、載波相位觀測量和snr的影響,提出了碼相位多徑誤差和載波相位多徑誤差的數學模型;通過對多徑效應的幾何模型分析,提出了多徑信號相對路徑延遲的數學模型;在此基礎之上,提出了一種改進的基於窄間距多天線陣列的載波相位多徑誤差抑制演算法,通過計算機模擬證明了該演算法的有效性。分享友人