空線信號 的英文怎麼說

中文拼音 [kōngxiànxìnháo]
空線信號 英文
free line signal
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 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...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 空線 : disengaged line; dead line; [電學] idle wire; free line; idle line空線信號 [訊] free line signal
  1. In hyper dimensional phase space, similar sequence repeatability ( rpt ) of speech are calculated

    研究語音的相似序列重復度及其熵信息，分析比較了語音信號在相空間中的非線性特徵。
  2. Fixed railway installations. equipment for overhead telecommunication and signalling lines. reinforced concrete socles

    鐵路固定設備.通信和信號線路架空線用設備.鋼筋混凝土製管座
  3. In recent years, the worldwide researchers pay much attention to fourier telescopy. it is an active imaging technique that encodes the information in the temporal instead of spatial domain, then receives the speckle and deposed of it to reconstruction the object image. now, the high - resolution technique is under the condition of deeply researched

    它是一種主動式干涉成像技術，這一技術通過時域內的相位的調制完成直線條紋對目標的掃描，從而達到對深空目標頻譜的抽樣，然後接收其散射回波，對回波信號進行處理，進而還原出目標的像。
  4. Fixed railway equipment. material for telecommunication and signalling overhead lines. rectangular tie bars

    鐵路固定設備.通信和信號裝置架空線路器材.矩形橫梁
  5. Fixed railway equipment. material for telecommunication and signalling overhead lines. trapezoidal tie bar

    鐵路固定設備.通訊和信號裝置架空線路用器材.梯形軌距桿
  6. 17minutes after launching, its first radio signals beeped to the tracking station in manchester england

    發射后17分鐘，它的第一組無線電信號就發送到了英國曼徹斯特的太空跟蹤站。
  7. For come - and - go between cities, many commercial customers need to deal with their business by notebooks, wireless lan accord with their needs. nowaday the protocol which applies to wlan is 802. 11. but as wlan ’ s transmit medium is atmosphere, it exposure in air, it is very easy to wire tapping by hackers

    現在應用最廣泛的就是基於802 . 11協議的無線局域網技術。然而由於其傳播媒介是暴露于大氣中，通過空間來傳播信號，與有線網路相比更容易被黑客竊聽而獲得重要的信息。
  8. 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，實驗模擬；以及信號平穩特性在智能天線參數估計中的應用和實驗模擬。
  9. Fixed railway installations. equipment for overhead telecommunication and signalling lines. collar with one bedding point for wooden pole

    鐵路固定裝置.通訊和信號裝置架空線路用器材.木電桿用單固定點卡箍
  10. Fixed railway installations. equipment for overhead telecommunication and signalling lines. collar with two bedding points for wooden pole

    鐵路固裝置備.通訊和信號裝置架空線路用器材.木電桿用雙固定點卡箍
  11. Fixed railway installations. equipment for overhead telecommunication and signalling lines. bracing collars for reinforced concrete posts

    鐵路固定裝置.通訊和信號裝置架空線路用器材.鋼筋混凝土電桿支撐卡箍
  12. Fixed railway installations. equipment for overhead telecommunication and signalling lines. plate for securing cross - pieces to reinforced concrete posts

    鐵路固定設備.通訊和信號裝置架空線路用器材.鋼筋混凝土電桿上橫梁固定用板
  13. The apparent " injection " of conentional sound or radio signals so they appear to emanate from any point in mid air

    明顯的「注入」常規的聲音或無線電信號使得它們聽起來像是來自空中的任何一處。
  14. Vi ( virtual instrument ) made up of general hardware and auto - test software is available along with the development of computer and electrical technology, test system based on vxibus is an example of vio test application of one set vxibus vi on space camera is presented in this papero this thesis introduces the development of auto - test technology and instrument concepts on vi > vxibus and its applications, sorts and analyzes the tested signals, describes in detailed the system integrate and auto - test software development of the vi, reveals plenty of test data recorded in graph, chart and file that collected by auto - test software, also the analysis and judgment result of the eye - view controller function tested by the auto - test software o

    基於vxi總線的測試系統是具有代表性的虛擬儀器。本文介紹了基於vxi總線的虛擬儀器在空間相機測試上的應用。文中介紹了自動測試技術與儀器的發展，介紹了虛擬儀器的有關概念，介紹了vxi總線系統的應用，對測試信號進行分類、分析，詳細說明了基於vxi總線的虛擬儀器的系統集成，說明了自動測試軟體的開發，列舉了由自動測試軟體獲得的，以圖形、圖表、文件等形式記錄的測試數據，以及由自動測試軟體得出的對目視控制器的功能進行分析和判斷的結果。
  15. From the result we get the following conclusion : for narrow - band signal, the effect of the method based on fft is best. for wide - band signal, when snr is up to certain degree ( higher than - 7db or so ), the curves of square error of modified methods are more obvious and closer to crb. for an echo composed of more than one frequency or direction, space - frequency distribution could show more direct information of frequency and direction, which is more advantaged to make precise judge and estimation for doa of echo

    從估計結果發現，對于窄帶回波信號，基於fft的方法估計性能大大優于其他方法；對于寬帶回波信號，在信噪比達到一定程度（高於約- 7db ）時，補償后的幾種估計法的性能改善均比較明顯，誤差曲線越來越接近crb曲線；對于回波中存在多頻率多方位的情況，空間?頻率分布圖能提供較為直觀的頻率及方位信息，因此應用空間?頻率估計法來進行方位估計，更有利於進一步對回波的具體方位進行準確判斷和估計。
  16. Since the wireless transmission system makes the best use of msp430 family chip, which is effective, high speed and precision, it is specially designed for the turbo _ generator monitoring which is handy or powered by batteries, or the room is very limited

    本文利用msp430超低功耗和高集成度的優點，專門針對電池供電和使用空間受限的汽輪機組監視保護儀表，設計、實現了傳感信號的無線數字傳輸系統。
  17. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  18. Based on can bus, this thesis develops an innovational air preheater leakage control system, with pcs structure to fulfil the optimal control over system structure and the multi - signals transfer

    為了優化控制系統結構並解決系統中多種信號的傳遞問題，本課題以can總線為基礎，建立了fcs結構的新一代空氣預熱器密封間隙控制系統。
  19. Space - time processing technique combines time domain signal processing and spatial signal processing. it can utilize fully the space - time channel characteristic, repair limits of the time domain signal processing and spatial signal processing, and enhance the system capability, overlay area and transmission rate

    空時處理技術聯合時域和空域信號處理技術，充分利用無線通道的空時結構特徵，彌補了時域信號處理和空域信號處理二者的局限，能夠提高無線通信系統的容量、覆蓋范圍和傳輸速率。
  20. Cmt system is a part of the national ' s 3g - development project. wireless access unit is an indispensable component in cmt system that takes in charge of the communication with the mobile station

    無線接入單元（ wau ）擔負著和移動臺進行空中信號通信的任務，是cmt系統中一個不可缺少的重要部件。
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