digital array 中文意思是什麼

digital array 解釋
數字陣列
  • digital : adj. 1. 手指的;指狀的。2. 數字的,數據的。n. 1. (鋼琴等的)琴鍵。2. 手指。
  • 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...
  1. 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天線陣列信號,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,模擬實現了短波九元天線陣的多種陣型、不同來波方向及存在同頻多信號時的陣列輸出信號。
  2. A retrodirective array can transmit a signal back to the interrogator ’ s position without any a priori knowledge of the incoming angle or relying on sophisticated digital signal processing algorithms. this merit makes it have good applied possibilities in modern military, especially digital commercial communication systems

    方向回溯天線能夠自動跟蹤來波方向,而不需要來波方向的先驗知識和復雜的數字信號處理演算法,這一特點使其在現代軍用、尤其民用數字移動通信系統中有很好的應用前景。
  3. In this dissertation, some algorithms and techniques of digital beam forming ( dbf ) of the conformal array are studied and also adaptive digital beam forming ( adbf ) of uniformity circular array ( uca ) based on wideband signal is investigated. this dissertation is organized as followed. in the first part of dissertation, the basic theory of conformal array is introduced

    本文研究了共形相控陣的數字波束形成技術,對共形陣的相關技術進行了詳細介紹,並且對一些常規共形陣的數字波束形成技術進行了研究,得到較好的模擬結果,此外,還對寬帶共形陣數字波束形成技術及性能進行了討論、模擬及其性能分析。
  4. Reed - solomon code, a powerful error correcting code for burst and random errors, is widely applied to deep space communications, mobile communications, disk array, digital video broadcasting system, and so on

    Reed - solomon (簡稱rs碼)是一種具有很強的糾正突發和隨機錯誤的通道編碼方式,在深空通信、移動通信、磁盤陣列以及數字視頻廣播( dvb )等系統中具有廣泛的應用。
  5. Reed - solomon code, a powerful error correcting code for burst and random errors, is widely applied to deep space communications, mobile communications, disk array, digital video broadcasting system ( dvb ), and so on

    Reed - solomon碼(簡稱rs碼)是一種具有很強糾正突發和隨機錯誤能力的通道編碼方式,在深空通信、移動通信、磁盤陣列以及數字視頻廣播( dvb )等系統中具有廣泛的應用。
  6. In this paper, the method of digital evolvable hardware is studied based on the dynamical reconfiguration of field programmable gate array ( fpga ). in the paper, firstly, the basic conception and theory of ehw are roundly introduced and the structure characters of ehw chip are analyzed. secondly, the thought of standard evolutionary algorithm is discussed and the flow of improved evolutionary algorithms is analyzed

    本文首先較全面地介紹了硬體演化技術的基本概念和原理,分析了演化硬體晶元的結構特點;其次,討論了標準演化演算法的思想並對改進型演化演算法的流程進行了分析;然後著重分析了演化硬體實現中的關鍵技術,對其實現方案進行了深入的研究,文中分別採用外部演化和內部演化兩種方式對不同的應用電路進行了演化。
  7. The correlated double sampling ( cds ) circuits structure is used to reduce the fixed pattern noise ( fpn ) of the cmos sensors, and improve the signal - noise ratio ( snr ). the 256 photodiodes arrayed 4 quadrants sensor consists 16x16 active photodiodes array. correlated double sampling processing circuits, output buffer amplifiers and digital control part

    針對cmos製造工藝中mos器件固定模式噪聲( fixedpatternnoise , fpn )較大的不足,研究中採用了相關二次采樣( correlateddoublesampling , cds )電路降低固定模式噪聲,從而提高了傳感器的信噪比( signalnoiseratio , snr ) 。
  8. The third, the whole circuit of digital cmos image sensor is presented. the circuits of pixel array, clock signal generator and sam have been improved on the base of simulation

    再次,我們對整個cmos數字圖像傳感器進行了電路設計,主要包括:時鐘信號發生器,順序移位寄存器和像素陣列。
  9. It is also one of hotspots in the digital array radar ( dar ) area

    數字陣列雷達( dar )也成為雷達發展的熱點。
  10. 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。
  11. In the following chapters, a 16 - channel experimental phased array ultrasonic testing system is thoroughly explained, including digital beam forming, low noise programmable amplification of received ultrasound signal, multi - channel hi - speed hi - precision data acquisition, hi - speed real - time processing of multi - channel ultrasound signal, and hi - speed data transfer based on pci bus. in addition, the frame of software system is built

    本文詳細闡述了作者所獨立研製的16通道相控陣超聲檢測實驗系統,包括數字化超聲發射/接收波束形成、超聲信號的低噪聲程式控制放大、多通道高速高精度數據採集、多通道超聲信號高速實時處理、基於pci總線的高速數據傳輸等全部電路模塊的結構及工作原理,並說明了所編寫的底層軟體系統的框架。
  12. Partial adaptive digital beam forming has the potential for improved time - energy management, and reduced life - cycle costs, and reduced complexity of adbf system, especially in large array antenna used thousands of sensors. this dissertation was part of the national ' s array radar project

    對于大型空時自適應陣列天線,採用部分自適應技術( padbf ) ,可以降低陣列自適應演算法的復雜性,產生較快的自適應響應,同時也可極大的降低系統硬體成本。
  13. Comparing to fet phase shifter, the pin phase shifter has better performance in insertion loss and cost, so that the pin digital phase shifter is aboard applied in all kinds of phased - array radar system

    與fet移相器相比, pin管移相器插入損耗等指標通常更好、性價比也較高,因此被各種相控陣雷廣泛應用。
  14. The target locating is a classic and important problem of the underwater signal processing. based on the theory of array signal processing, the paper is devoted to the study of the theories and application technologies of doa estimation and underwater array signal processing in a systematic and detailed way, especially on the design of the digital multi - beamforming system

    目標定向技術是水下信號處理研究的經典問題和重要方向,本文以目標定向和陣列處理理論為基礎,從實際應用出發,系統研究了水下目標定向和陣列信號處理的相關理論和實現技術,包括陣列信號處理的基本理論,數字多波束系統的設計。
  15. In large phased array systems, the array may be consisted of thousands of elements, at this time, the subarray structure is usually employed and only the digital subarray outputs can be obtained

    大型相控陣系統中,陣列常常包含有數千個陣元,此時一般採用子陣結構,只能得到子陣的數字輸出。
  16. In order to reduce cost and complexity, digital camera manufacturers usually employ a single ccd or cmos sensor whose surface is covered with a color filter array, named as cfa. the cfa limits each sensor pixel just sampling one of the three primary color values ( red, green or blue )

    為了降低數字相機的成本與體積,生產廠家通常會採用單片ccd或cmos圖像傳感器,並在其表面覆蓋一層彩色濾波陣列,也稱為cfa , cfa使每個像素只能獲得物理三基色(紅、綠、藍)其中一種分量。
  17. The experiment demonstrates that the simulated calculations are in good agreement with experimental results. the conception and algorithm simulation of lattice digital filter in electronics are transplanted into optical filter, with a novice algorithm to resolve optical lattice array concrete parameter

    3 .將成熟的電子學里的格型數字濾波器的概念和設計演算法移植到光學濾波器,給出了根據目標濾波傳遞函數求解光格型陣列具體參數的演算法。
  18. This paper research the principle of two dimensional collimator system in which the area - array ccd, cpld circuit and dsp chip are used. digital acquisition and processing hardware and software were designed. the test result was given

    本文研究了用cmos作為接收器件,用cpld電路和dsp晶元進行系統流程式控制制和數據處理的二維變形測角儀的系統原理,設計了數據採集、處理的硬體軟體,並進行了實驗。
  19. In this system, high temperature tvs are used to collect images, digital image processing technology is applied to process images, thermal radiation theory and plane surface array ccd ' s chroma theory are introduced and the three - colour method is discussed detailedly to detect the temperature

    本文旨在以全爐膛看火電視為圖像採集前端設備,以數字圖象處理技術為手段,運用熱輻射學和彩色面陣ccd色度學理論,採用三色測溫法來檢測爐膛火焰溫度。
  20. Discussing the design project of the trial system of digital array radar. and discussing the simulation pci adapter ' s hardware realization on details. in the design the low voltage differential signaling ( lvds ) was designed to transfer data from pcs to the dsp system

    ( 4 )數字雷達試驗平臺模擬數據產生源的設計和具體硬體實現:完成了基於pci總線介面和低壓差分信號( lvds )傳輸線的模擬數據產生源試驗。
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