array characteristic 中文意思是什麼

array characteristic 解釋
組合特性
  • array : vt 1 打扮,裝飾。2 使…列隊,排列。3 提出(陪審官)名單,使(陪審官)列席,召集(陪審官)。n 1 整...
  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  1. Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the euler ' s theorem and the coordinate transform is introduced. the dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. so it offers theory foundation for analyzing the dynamic characteristic and designing robust control

    由於獵雷艇作為動基座的存在和聲納基陣的框架結構特點,提出了以艇體坐標系為運動坐標系,運用變形的歐拉定理和坐標變換建立聲納基陣相對自身坐標系的旋轉運動方程的建模思想;將所建立的矢量形式的動力學模型展開整理,獲得了狀態矩陣形式的獵雷聲納基陣動力學方程,為系統動力學模型的實用化奠定了基礎。
  2. While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed

    在系統實現過程中,課題首先從天線、陣列天線,以及電磁場計算方法的基本理論著手,分析了天線與拋物面天線的各項性能參數,以及天線的口面場和近-遠區輻射場的特點和計算;進而,更加深入的討論和研究影響天線陣列合成場強的各項因素,包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。
  3. Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on

    與普通矩形波導相比,脊波導具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊波導本身的特點,使其得到了越來越多的應用,例如寬帶脊波導濾波器、寬帶定向耦合器、雙工器、變頻器、移相器、脊波導縫隙天線陣等等。
  4. The adaptive management problems of phased array radar resources are studied systematically. the main attributions are as follows : 1. firstly, the development of aewr ( airborne early warning radar ) and the operation modes of phased array radar are briefly introduced. the basic idea of the adaptive management of radar resources is expatiated according to its characteristic

    本文對相控陣雷達資源自適應調度問題進行了比較系統、深入的研究,主要工作如下: 1 、簡要介紹了當前國內外機載預警相控陣雷達的發展現狀以及它的基本工作方式,並結合相控陣雷達的特點闡述了其資源自適應調度的基本思路。
  5. By analyzing and studying the dynamic characteristic of the minehunting sonar array, the author points out that the minehunting sonar array posture control system is a non - linear and intense coupling dynamic system. according to characteristics of the common inertia matrix, the author testifies that the inertia matrix of the minehunting sonar array has many dynamic characteristics such as the limited boundary quality, the symmetry quality and the positive definite quality

    對獵雷聲納基陣的動力學特性進行分析研究,指出了獵雷聲納基陣控制系統為非線性、強耦合的動力學系統;從一般的慣量矩陣特性入手,證明了獵雷聲納基陣的慣量矩陣具有有界性、對稱性及正定性等動力學特性。
  6. Based on the idea of improving the frequency characteristic of the two parameters above, a novel method of improving the bandwidth of the slot array antenna is presented in this paper, which uses a ridged waveguide instead of a rectangular waveguide as the radiating waveguide

    本文以改善這兩個參數的頻率特性為出發點,提出了一種展寬波導裂縫天線帶寬的新方法,即用脊波導代替矩形波導作為輻射波導。
  7. The non - aliasing frequency and non - ambiguous 2 - d angles is obtained by the phase characteristic of eignevalue and integral search method in this dissertation, an algorithm of spatio - temporal 2 - dspectra estimation based on 4th - order cumulants was introduced and used to realize a prototype scout, a calibration algorithm in the wide - band array system is proposed

    本文主要介紹了基於四階累積量的時-空二維譜估計演算法,並以此為基礎來實現時頻空三維偵察機;寬頻段陣列系統各種誤差參數的校正演算法,實驗系統的硬體驅動程序的開發和應用軟體的開發。
  8. The article all so try to look out the problems in the fables system of the chinese teaching material, and try to investigate and research the problem, all this based on thinking of the characteristic of chinese teaching, the characteristic of the times, the logic array of the knowledge and the developing regulation of the students, and so on

    本文通過對語文教材選用寓言的必要性、可行性進行分析,認識寓言對教材建設、教師教學、學生學習的重要意義,並綜合考慮時代的特點、知識邏輯序列、語文學科的特性、學生身心發展規律等諸多因素,嘗試對現行語文教材中寓言體系所存問題進行調適研究。
  9. The third chapter is experiment analyses of multi - aperture transient electromagnetic method, it analyzes multi - aperture transient method in theory and discusses radiation direction characteristic of first field by means phased array theory and integrating result of experiment contrast. according to kinematics character it also brings forward similar interference concept and analyzes reason of similar interference phenomenon, it gained footing between similar interference item and depth on the base of it and experiment formula

    藉助于相控陣原理的思想,結合模擬實驗觀測值對比結果,對多孔徑tem方法進行模型分析,詳細討論了多孔徑一次場的輻射方向特性,利用光波的運動學特徵提出類相干的概念,分析了多孔徑tem輻射源存在類相干現象,推導出類相干實驗公式,並得出類相干項與多孔徑框邊長以及埋深的關系表達式和。
  10. The structure of the antenna array is given. also, the feasibility of this structure is proved through computer simulation and channel transfer characteristic measurement

    給出了相應的天線陣列結構,通過計算機模擬與通道傳輸特性測試驗證了使用極化天線陣列的可行性。
  11. The optimization weight and performance of adaptive array is discussed. then, based on the characteristic of navigation signal, the figure and algorithm of adaptive array are improve on, which has a superior performance on cr and a little inferior on sinr compared with optimization weight adaptive array

    首先分析了自適應陣最優權值和性能,進而根據衛星導航信號極弱的特點,改進了基於特徵結構子空間的自適應陣結構,應用於導航信號干擾抑制,與最佳權值自適應陣相比,在干擾抑制性能上優於前者。
  12. The composition, principle and design characteristic of built in test equipment of phased array radar and application specific electronic module for built - in test equipment are described

    敘述了機內測試設備和專用電子模塊的組成,工作原理以及設計特點。
  13. For the characteristic of the river course and the conditions of water - sand are different in adjacent year. it follows the thinking that respectively build approximate model by the data of water - sand in different years, then finds out the forecasting model by recurring the approximate parameter array of each year

    由於連續年份下河道特性、水沙條件的差異,本文採用各年水沙資料分別建立擬合模型,各年擬合參數按時間序列遞推給出預報模型的研究思路。
  14. In the array of funerals, too - whether for the apparel of the dead body, or to typify, by manifold emblematic - devices of sable cloth and snowy lawn, the sorrow of the survivors - there was a frequent and characteristic demand for such labour as hester prynne could supply

    在喪葬活動中也是一樣,諸如死者的裝碴,或是遺屬誌哀用的黑喪服和白麻布上種種象徵性的圖案,都對海絲特白蘭這樣的人能夠誕供的勞動有經常和具體的需求。
  15. Firstly, for jet array impingement cooling, the effects of the distance of adjacent holes, the impinging distance and jet reynolds number on heat transfer characteristic at the target wall are summarized under staggered holes arrangement and the same hole diameter. and then, the numerical simulation of inclined multi - hole film cooling has been studied. the influence factors examined in this case include blowing ratio and the distance of adjacent holes

    首先通過對射流沖擊冷卻方式的研究,分析了相鄰孔間距、沖擊間距以及射流入口雷諾數對沖擊靶面換熱系數的影響情況,然後對多斜孔冷卻方式進行了數值模擬,重點探討了吹風比和相鄰孔間距對絕熱溫比與壁面換熱系數的影響規律,最後,針對沖擊-發散復合冷卻流場的計算物理模型,研究吹風比、相鄰孔間距的變化對沖擊-發散復合冷卻流動與傳熱特性的影響。
  16. First, according to the orthonormal quality and the rational choice of working point of the sonar array three shafts frame, the structure of the models is predigested preliminarily ; secondly, according to the quality indexes and the coupling quality between frames, relatively small quantum is neglected. so the complex non - linear coupling models of the sonar array are predigested farther ; lastly, considering the characteristic of the model coefficient matrix, the methods of the low rank polynomial approach and the error simulation are introduced. so the models are predigested again

    首先從聲納基陣框架結構的正交性和工作點的合理選擇出發,使模型的結構得以簡化;其次根據系統性能指標及框架間耦合性強弱,忽略相對小量,對聲納基陣復雜的非線性耦合模型進一步簡化;最後考慮模型系數矩陣的特點,運用低階多項式逼近和誤差模擬的方法,實現了對模型的再次降階簡化處理。
  17. With phased array radar observing target ' s improvement of different performances of the aircraft, the deterioration of the working environment of radar and improvement of the radar demand request more and higher for putting forward the equipment of phased array radar video signal processing. the digital signal processing is all the time the developing direction of radar signal processing, its main shortcoming is that the increase processing precision, and the amount of information at the same time bring on the amount processing redouble, method to solve this problem is the real - time high speed digital signal processing system. presently multi - processors parallel processing is the focus of the field of high - speed real - time processing. this paper ' s background is the high - speed real - time signal processing of phased array radar. a parallel computing system designed with 4 adsp - 21060 analog device inc ' s dsp is presented. lt has fully utilized the dsp ' s characteristic to be supported the parallel computing, and formed a mes h architecture. this paper design and discusses this system in terms of design for test ( dft ) and real time operation system ( rtos ), and have put forward the new solution for the design and development of the high - speed real - time signal processing system. then, analysed the subject matter faced at the same time

    本文以高速實時相控陣雷達視頻信號處理為背景,提出了一種由4片ad公司adsp - 21060構成的并行計算系統。它充分利用了adsp - 21060支持多處理器并行計算的特點構成了一種網格結構,並且從可測性設計、實時操作系統角度對該系統進行了設計與討論,為高速實時信號處理系統的設計與開發提出了新的解決方案,同時分析了面臨的主要問題。本文首先分析了相控陣雷達信號處理單元的特點,然後針對適合於片間并行的adsp - 21060討論了并行計算結構,提出了一種採用四片adsp - 21060構成網格結構的信號處理平臺,分析了它的工作原理。
  18. Abstract : a design method of a multi - variable inferential controller based on anew performance index is proposed. the inferential controller uses a v type control structure to avoid inverse transformation of rectangle arriving. this multi - variable inferential control system has the characteristic of simple calculation and only an adjustable parameter q array. this control system output gets the performance of dynamic decoupling of the mutivarable system

    文摘:在一種新的性能指標下,提出了一種多變量推理控制器的設計方法,該控制器採用的v規范型控制器結構避免了傳遞函數矩陣求逆問題.該類多變量推理控制系統的特點是演算法簡單、僅具有一個可調參數矩陣q ,該系統實現了多變量系統的動態接耦
  19. Based on the statistics characteristic of prc - phase - modulation cw phase - array guidance radar, this thesis discusses the signal processing method and cfar algorithm of multiple repetition frequency pseudo - noise m - sequence phase coded signal

    本文結合偽碼調相連續波信號體制的特點,深入研究了多參差重復頻率偽隨機m序列相位編碼信號的處理方法和恆虛警檢測演算法。
  20. What the practical problems is often gotten is a single variable time series which has a time interval of t, reflect by a lot of interactive physics factor, containing the mark of all variates participating in movement, traditional time series analysis is to analyse going from this array to the form directly it ' s time develops, one dimension analysis loses useful information, the characteristics of phase space reconstruction method is to construct one dimension scalar quantity to high dimension vector, prop the geometry space of the state, show all dynamical information of system in phase space. the characteristic that just constructs again according to the phase space in this text, analyse the time series of responding, use the relevant knowledge of symbol dynamics and reconstruct phase space, put forward a kind of relation degree analysis method of the systematic mathematics model which has theory basis, so reach the correction of calculation mathematics model, make it accord with the actual systematic state

    實際問題中常常得到的是一個時間間隔為t的單變量的時間序列,它是許多物理因子相互作用的綜合反映,蘊藏著參與運動的全部變量的痕跡,傳統的時序分析是直接從這個序列去形式地分析它的時間演變,一維分析必然喪失許多有用信息,相空間重構方法的特點是把一維標量數據構造成高維矢量,支起狀態的幾何空間,在相空間中展示系統全部動力信息。本文正是根據相空間重構的特點,對響應時間序列進行分析,利用符號動力學、重構相空間等方法,提出一種有理論依據的系統數學模型關聯度分析方法,從而達到修正計算數學模型,使其更符合實際系統狀態的目的。
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