模擬天線 的英文怎麼說

中文拼音 [tiānxiàn]
模擬天線 英文
aa artificial antenna
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : 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...
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. Realization of adaptive antenna array simulation system using matlab

    實現自適應系統
  2. According to the application background and the dismatch between single antenna and differential lna, an active balun is needed and has been designed. then we put forward a design scheme that does co - simulation of an active balun and a differential lna on one chip together. at 2. 45ghz, this lna provides a forward gain of 28. 931db with a noise figure of 2. 485db, while drawing 19. 1ma from a 1. 8v supply

    從本設計的應用背景出發,考慮到單端與差分lna之間的不匹配性,設計了一個介於兩者之間的有源平衡轉換電路? balun ( balance - unbalunce ) ,並提出了將這個balun電路與前面設計的差分lna作為一個整體進行了的設計方案。
  3. A model of the capsulated antenna is presented and simulations are conducted according to different numerical values of parameters involving capsulation dimensions and dielectric constant

    建立了帶有圓柱形介質封裝的型,針對介質厚度、內徑和介電常數三個封裝參數的不同取值組合進行了大量
  4. In this paper, the signal processing of sum and difference patterns of amplitude dual - plane monopulse radar and the effect of amplitude - plane non - consistency are analyzed from the coordinates relationship of four - horn antenna at length, and its corresponding simulation is verified, which bring convenience to engineering implementation

    文中從四喇叭的位置坐標關系,詳細分析了雙平面振幅和差式單脈沖雷達信號處理過程以及三通道幅相不一致性的影響,並且進行了相應的,為工程實現帶來了很大的便利。
  5. Four tem - horn antennas have been made. using these antennas two - element rain gutter tem - horn array, two - element stacked tem - horn array, four - element rain gutter tem - horn array and four - element stacked tem - horn array are been mades up of. the results of experiment accord with theory and numerical stimulation

    最後,對tem喇叭陣列進行了原理性實驗研究,設計了帶地板結構的半tem喇叭,組成二元槽狀陣列、二元疊狀陣列、四元槽狀陣列、四元疊狀陣列等,應用小信號測試,得到的結果與理論和數值相一致。
  6. And if we add a hemi light for faking the light coming from all points of the sky ( as in bsg. lig. f. s68. 111 ) we can achieve a nice outdoor light. . but we have no shadows

    如果我們增加一個半光來空散射來的光(如bsg . lig . f . s68 . 111 ) ,我們就可以得到一個較好的室外照明了… …但是我們沒有陰影!
  7. 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

    本文以雙向功放和在wlan中的應用為索,對雙向功放在使用過程中出現的非性失真問題和組網技術進行了理論研究和實驗
  8. At same time, it was also investigated the impact of the position errors of multiple antennas both sides of transmit and receive on the correlation of antenna array, and the simulation results by computer are also given

    同時還研究了多的位置誤差對陣列的相關函數的影響,給出了有關結果。
  9. The pressure at every point along the pipeline, the gas - liquid phase flow rate and the law of the liquid holdup in the pipeline chang ing with time in the process of gas storage and supply at the time of peak shaving are simulatively calculated, and based on this, the problem on peak shaving is thoroughly analyzed by combining with the existing pinghu - shanghai gas pipeline in china

    計算了調峰過程中管道儲氣和供氣過程沿各點的壓力、氣液相流速和管內持液率隨時間的變化規律,據此結合我國已建成現有的平湖一上海的然氣管,對調峰問題作了深入地分析。
  10. Also, the wind load and radome problems are discussed by simulation

    通過,本課題還討論了的風載和罩的解決方案。
  11. Design and simulation of elliptical reflector antenna

    橢球反射面聚焦的設計和
  12. The simulation results are compared to the normal dipole antenna in order to observe the influence of fractal and investigate the effect of antenna miniaturization. the relationship between miniaturization and fractal dimension is researched. the koch and 3 / 2curve fractal unit are applied to yagi - uda antenna, the performance like impedance characteristic and radiation pattern is simulated by cst microwave studio ?

    對其阻抗特性及輻射方向圖進行了計算,並分別與未應用分形的普通半波振子相比較,觀察分形對性能的影響,以檢驗分形小型化的效果,研究了尺寸縮減性與其分形結構的分形維數之間的關系。
  13. On one hand, the focal point that the interface circuit is designed lies in lining up the arrangement of the aerial data, have adopted one pair of ports ram to cooperate with the counter and realize the lining up of the data, on the other hand, interface focal point that circuit design transmission of data, part this finish mainly and interface of linkport of dsp, make data transmisst to dsp processor at a high speed, go on follow - up punish

    一方面,介面電路設計的重點在於對數據的整理排隊,採用了雙埠ram配合計數器實現數據的排隊,另一方面,介面電路設計的重點是數據的傳輸,這部分主要完成和dsp的linkport的介面,使數據高速傳給dsp處理器,進行后續處理。這個項目按照自上而下的設計流程,從系統劃分、編寫代碼、 rtl、綜合、布局布,到fpga實現。
  14. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手,舍棄傳統星載合成孔徑雷達研究中的球地球型和圓軌道型,研究了在地球橢球型和橢圓軌道型下由雷達確定目標坐標的方法,並在此基礎上研製了星載合成孔徑雷達系統設計與軟體,完成雷達系統尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統糊、雷達定位及精度的分析,最後完成雷達回波信號的
  15. Detailed work include : generalizing, analyzing, mathematically calculating, im - proving and estimating by experiments the 2d - doa estimation from the classical al - gorithm of 1 - d subspace. moreover, application and simulation of the properties of the cyclostationary of signals in parameter estimation within smart antennas area are studied as well

    具體工作包括:經典一維子空間演算法推廣到二維中的分析,演算,改進,實驗;以及信號平穩特性在智能參數估計中的應用和實驗
  16. Abstract : to obtain the high frequency ( hf ) array signals, an applied circuit called hf array signals generator is designed using dsp and duc ( digital up converter ). the generator simulates the generation of output signals of 9 - element arrays with different array format, different direction of arrival ( doa ) and existing cochannel signals respectively

    為了在實驗室中獲得短波陣列信號,應用dsp晶元和duc晶元(數字上變頻器)設計了一個實用電路短波陣列信號發生器,實現了短波九元陣的多種陣型、不同來波方向及存在同頻多信號時的陣列輸出信號。
  17. The essential elements and process of gas reservoir formation of ordovician in ordos basin have been annalysed systematicly and scientificly by means of the theory and method of organic geochemistry and tectonic geology in this dissertation. the several advanced techniques, such as gas generation thermal simulation, on - line individual gas compounds carbon isotope determination ( py - gc - c - ir - ms ), the analysis technique of light hydrocarbons and biomarkers in natural gas, gas migration simulation and gas carbon isotope determination in fluid inclusions, have been applied to focuse on the study of the gas generation mechanism of souce rock, correlation between gas and source rock, reservoir formation history, migration direction, charging road in detail

    應用有機地球化學和構造地質學理論和方法對鄂爾多斯盆地奧陶系然氣地質研究中薄弱環節成藏要素和作用進行了系統科學分析。利用烴源巖生氣定量熱技術、熱碳同位素實驗技術、氣體輕烴和生物標志物分析技術、運聚成藏物理技術和包裹體中碳同位素分析技術等多種先進的實驗技術對烴源巖的生氣機理、氣源和混合比、成藏史、充注路徑、運移方向和構造作用與成藏關系等問題進行了深入的研究,在前人研究的基礎上,經過本次大量的實驗分析和綜合研究,提出了一些新的認識。
  18. The research paper is based on the the latest softwares of the managing inventory, its research subject is about simulating the most appropriate inventory quantity and ordering quantity by statisticing the probability of the random require quantity. its purpose is to provide the relied basement for determining the most appropriate inventory quantity and ordering quantity, the deterring policy quality will be raised, so the damage caused by unfit inventory quantity and the benefit of the entrerpreneur will be raised. the research method is by building the inventory management information system, the system includes automated management of parts entering and going out the datasbase. requesting the records of parts entering and going out the datasbase and displaying the sygonal when the inventory quantity is short out. computer calculating the fix period remaining, requesting remaining at any time and displaying if goods need ordering, all the partsof certain a product going out of basement and at the same time checking if the storaging quantity is enough. then simulating the most appropriate inventory quantity and ordering quantity simulating method is as follows : statisticing the random required quantity. calculating the probability, standing for the values with data range producing random data by function accordingly calculating the random required quantity. thenext step is simulating all the projects after pressing in the simulating conditions. finally selecting the best

    本文通過分析國內外關于庫存管理軟體的發展情況,提出在統計貨物出庫情況的基礎上利用方法確定最優存儲方案,其目的是為制定合理的貨物安全庫存量和訂貨量提供可靠的依據,提高企業管理人員的決策質量,從而減小資金的佔用和缺貨損失,提高企業的經濟效益。通過研製庫存管理信息系統使庫存信息管理自動化,也就是實現貨物入出庫管理計算機管理、自動查詢貨物入出庫情況並在缺貨時給予提示、使用計算機貨物余額定期結算、貨物余額實時查詢並顯示是否需要訂貨、裝配出庫管理使得只要輸入需要裝配產品代號和數量,組成它的所有零件就會自動檢庫和出庫。然後對安全庫存量和訂貨量進行方法是首先自動統計貨物在過去某一段時間內的需求量,計算出概率,用隨機數的范圍表示其概率數值的大小,利用隨機函數產生隨機數、從而間接的產生隨機需求量,給定數和其他條件各種方案,從眾多的存儲方案中找出最優存儲方案。
  19. Standard artificial antenna

    標準模擬天線
  20. This dissertation has modeled for radar signal environment, such as radar pulse model, antenna direction chart model, antenna scanning model

    在此基礎上研究建立了雷達信號環境的各類型:雷達脈沖信號型、方向圖型、掃描型等。
分享友人