背景信號 的英文怎麼說

中文拼音 [bēijǐngxìnháo]
背景信號 英文
background signal
  • 背 : 背動詞1. （用脊背馱） carry on the back 2. （擔負） bear; shoulder
  • 景 : Ⅰ名詞1 （風景; 景物） view; scenery; scene 2 （情形; 情況） situation; condition 3 （戲劇、電影的...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 背景 : （布景; 襯托主體事物的景物; 對人物、事件起作用的歷史條件或現實環境） background; backdrop; setting
  1. 2002 hong kong stamps catalogue details on all definitive and commemorate stamps that have been issued in hong kong since 1862 and precise background information on stamps and other postage prepaid items, such as aerogrammes, picture cards and registered envelopes, etc

    此目錄展示香港自一八六二年以來的通用郵票及紀念郵票的詳情，並簡述郵票及其他郵資已付郵品（包括航空郵簡、圖片卡及掛號信封等等）的背景資料。
  2. The tv goniometer is the ground control equipment of a model of anti - tank missile. it uses two ccd cameras and the signal extraction method of background counteract, which can make the guiding process of anti - tank missile wo n ' t interfered by sunlight, firelight of battle field, light, flame tracer etc. it can greatly improve the anti - interfering ability of the anti - tank missile system

    該電視測角儀是某型反坦克導彈武器系統的地面控制設備，它採用兩個ccd攝像機和背景抵消的信號提取方法，可使反坦克導彈的制導過程不受太陽的反光、戰場的火光、燈光、曳光彈等干擾。
  3. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面： （ 1 ）對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究，為建立一個較為完備的自導模擬系統提供了理論基礎； （ 2 ）討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響，建立回波信號的數學模型、環境場中的噪聲信號模型（包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等）與海洋混響模型，模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號； （ 3 ）深入研究並建立了自導模擬系統的總體框架，給出各個具體功能模塊組成，討論了聲自導系統對信號的時域與空域處理，並結合模擬程序中陣列信號處理模塊，給出固定多通道波束形成的模擬實現過程； （ 4 ）根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體，通過網路與控制系統相連，組成完整的魚雷模擬器。
  4. The ir image of the target, background and the ir flares is called ir signal for the ir seeker

    包含目標、背景和干擾的紅外熱圖像稱為導引頭紅外信號源。
  5. In present study, we obtained large numbers of phasic discharge pattern neurons, which play important role in analysis and perception of sound signal from environment with background noise

    實驗中所記錄到的大量phasic神經元在分析背景噪聲中的聲信號，以及聲信號的識別方面可能扮演重要角色，因為聽覺認知的最初階段就是信號識別。
  6. Annex b introduce a voice activity decision ( vad ) algorithm which class speech signal as voice signal and background noise signal

    Annexb提出了一種靜音壓縮演算法（ vad ） ，它將語音信號分為話音信號和背景噪聲信號。
  7. This paper applied 3 - d analytical signal technique to the treatment of aeromagnetic anomalies in south china so as to probe into the application effects of analytical signal technique in areas with different geological settings

    本文用三維解析信號技術對華南航磁異常進行了處理，以探索在不同地質背景地區的解析信號技術的應用效果。
  8. In attempt to directly compare the sound response characters of the same bf neurons or different bf neurons and their interactive relation, the double recording microelectrodes were penetrated into two different neurons in iso - frequnency laminas or hetero - frequency laminas. taking advantage of frequency tonotopical arrangement in 1c of bats, it was explored how the neurons integrated different parallel processes of the same sound information. in the case of which, we hoped to explore the relation between the sound response characters of the central auditory neurons and neural modulation in background noise for the further understanding of the mechanism in the central auditory neurons extracting sound signals

    本研究以大棕蝠（ bigbrownbat ， eptesicusfuscus ）為模型，利用ic聲調組構排列成同頻層這一結構特點，突破單電極記錄和檢測神經元的方法，同時推進兩單電極至一個同頻層或兩個同頻層的兩個不同神經元，試圖從細胞水平直接比較兩個具有相同和不同最佳頻率的神經元聲信號的加工處理特徵、以及它們之間的相互關系，以期窺探它們在對同一聲信號處理過程中的整合奧秘，並以此為基礎分析和探討背景噪聲條件下中樞神經元聲反應特徵與神經調制的關系，以期進一步了解中樞聽神經元聲信號提取的機制。
  9. Xu bohou, li huafeng, duan fabing and li jianlong. the application of parameter - tuning stochastic resonance in signal processing, accepted by the fifth int. conf. on stochastic structural dynamics

    李華鋒，鮑榮浩，徐博侯.應用隨機共振進行海洋噪聲背景下的信號檢測.浙江大學學報（工學版） ，收錄
  10. This paper introduces common background knowledge of intersection, mainly describes traffic control design principle, such as signal timing and lane channelization. it also summarizes the same point between signal timing and lane channelization in nature and illustrates that it is optimal cycle length and signal phase that is the critical part of signal timing

    =本文介紹了交叉口的一般背景知識，重點闡述了平面信號交叉口的交通控制的設置原理，包括信號配時原理和路口渠化原理，概括了信號配時和路口渠化原理的本質相同點。
  11. Each virtual - loop ' s output signals mainly derive from the pixel difference between consecutive image frames within the virtual - loop area. when the result of consecutive frame difference is smaller than the threshold, current frame subtracts the background to produce the virtual - loop ' s signals

    各個虛擬線圈的輸出信號主要來源於幀間差分，當幀間差分的結果小於判斷閾值時，系統會自動調用減背景圖像處理方法來產生虛擬線圈信號。
  12. But, the eeg signal that we can acquired is very weak and is badly contaminated by strong background noise, such as electrooculogram ( eog ), electrocardiogram ( ecg ), and line noise ( 50hz or 60 hz power frequency interference ), etc. eeg is a typical non - stationary random signal with a certain extent of non - gaussian and non - linear character

    但是我們能夠獲得的腦電信號一般非常微弱、並伴有很強的背景噪聲，是一類典型的非平穩的隨機信號，且存在一定的非高斯性和非線性。傳統的分析處理方法一般將腦電信號近似認為是線性的準平穩的高斯分佈隨機信號，這使得分析結果往往不能令人滿意、實用性差。
  13. Because period narrow band signals are the main part of background noises, this thesis uses hardware description language to design a multi - band finite impulse response filter ( fir ) and downloads the program into filed programmable gate array to eliminate the period narrow - band interferences in the background noises

    3 ）在現場環境中，背景干擾主要是周期性的窄帶，本文利用硬體描述語言（ vhdl ）設計了一個多帶fir有限沖擊響應濾波器。應用到可編程邏輯器件中，消除了背景噪聲中的周期性干擾，為信號的進一步處理提供盡可能幹凈的信號。
  14. Aiming at the scheme of the signal electromagnetic environment simulator of the wireless communication system, the mission of this project is to design and realize the conversion of high speed parallel signal to serial signal and conversion of high speed digital signal to analog signal. the signal comes from the v / uhf wave band of the background simulator

    本課題的任務是針對通信信號電磁環境模擬器系統的方案要求，設計實現背景信號模擬器v uhf波段後端高速信號的復接與d a轉換，為后級的頻率綜合器的信號頻譜搬移提供了基本信號。
  15. By thorough study of chaos, more and more researches show that a lot of weak signals are embedded in the strong chaotic noise

    隨著對混沌學的深入研究，越來越多的科學研究表明很多微弱信號湮沒在具有混沌行為的背景信號里。
  16. The authors develop a protein - fragment complementation assay that specifically evaluates androgen receptor ligands in the context of signal activation

    作者開發一種蛋白質片段互補分析，具體評價激素受體配體的背景信號激活
  17. The research on the background signal simulator is based on the idea of the soft wireless

    背景信號模擬器的研究參考了軟體無線電的思想。
  18. His idea is based on the fact that the pivot of the soft wireless structure is to put the broad band a / d and d / a conversion near to antenna by all means, and to define the functions of the transmitter - receiver as many as possible in the forms of software ( namely realized by software ). the technology of background signal simulator puts the focus on the methods used to realize the software, namely to exploit the functions of the hardware ( for example, dsp fpga or asic ) through the idea of software design, and to produce ( realize ) wireless signals by high speed lsi and software programming

    1992年5月的全美電信系統年會上， mitre公司的資深科學家joemitola首次給出了軟體無線電的定義，他認為：軟體無線電的組成架構的中心點是將寬帶模?數（ a d ）和數?模（ d a ）轉換器盡可能地靠近天線，將盡可能多的電臺功能以軟體的形式定義（即用軟體來實現） 。背景信號模擬器所採用的技術集中體現在軟體無線電技術，即用軟體化設計去開發硬體（如dsp 、 fpga 、 asic ）功能，採用高速大規模數字集成電路、軟體編程的方法產生（實現）各種無線電信號。
  19. The major content of this dissertation is listed as follow : 1. having conducted a research on the innovation background of china telecom as well as the domestic and international develop situation that no. 10000 exist in

    在提升用戶感知度，提高電信服務水平上發揮了積極的作用。論文主要內容有: 1 .研究了電信發展改革的背景， 10000號發展的國內外現狀和發展趨勢。
  20. The application of wavelet transform in the spectrum signal processing is studied. the influence of the transform on the gauss spectrum peak is analyzed. a method is proposed to reduce the noise and background in the spectrum signal obtained by the micro spectrometer

    研究了採用小波變換來消除光譜信號中的噪聲和背景信號的方法，並深入研究了小波變換處理對真實光譜信號的影響，提出了採用小波變換消除光譜高頻噪聲和低頻背景信號的方法。
分享友人
分享到 Line

分享到臉書