比較信號 的英文怎麼說

中文拼音 [jiàoxìnháo]
比較信號 英文
comparison signals
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ動詞1 (比較) compare 2 [書面語] (計較) dispute Ⅱ副詞(比較) comparatively; relatively; fair...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • 比較 : 1 (對比) compare; compare with; contrast; parallel (with); comparison; by comparison; in comp...
  1. Let us compare our unknown analog input signal to a "guess".

    現將一個未知的模擬輸入同一個假定值進行
  2. But, according to researchers who have been meeting in chicago at a symposium of the society for integrative and comparative biology, this anthropocentric approach has meant that interactions via vibrations of the ground ( a means of communication known as seismic signalling ) have been almost entirely over - looked

    但是,在芝加哥由綜合與生物學協會組織的研討會上,研究人員認為,這種以人類為中心的研究方法意味著,通過地表的振動進行交流(一種被稱作為地震的溝通方式)這一現象幾乎被完完全全忽視了。
  3. By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw

    同時利用該方法解決了fmpcw的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析,給出了更為嚴格的約束條件,保證了處理后距離譜峰值的唯一性。最後,分別介紹了fmpcw和fmicw的不同處理方式,並對兩者不同的時域濾波性能進行了,並對二者的差異進行了分析。
  4. This paper describes the components and structure of advanced signaling system : automatic train control system ( atc ), analyzes the function and classification of its three subsystems : ats, atp and ato, with emphasis on currently widely adopted atc system - quasi - moving - block signaling system, which works on coded digit track circuit, and discusses the operating principles of coded digit track circuit and the features of train control of quasi - moving - block signaling system

    系統是確保城市軌道交通列車運行安全及提高運營效率的關鍵設備。本文詳細討論了應用於城市軌道交通的先進的系統? ?列車運行自動控制系統( atc )的組成和結構,對其三個子系統:列車自動監控系統ats 、列車自動保護系統atp 、列車自動運行系統ato的功能和分類進行了詳細分析和
  5. This dissertation is focus on the temperature sensitive mechanism of the brillouin - scattering signal and on the basis of domestic techniques, the methods and approaches of signal detection and processing in distributed brillouin fiber - optical sensor system. a digital multi - point average method ( digital boxcar ) has been proposed based on the characteristics and the sorts of fiber - optical sensors and by analysis the feature of the brillouin - scattering signal, and also comparisons of all sorts of weak - signal detection theory

    論文在全面了解光纖傳感器的分類和特點及分散式光纖傳感器的原理和發展歷程的基礎上,通過分析被檢測的光纖布里淵後向散射的特點,研究和了微弱檢測的各種方法,最終選定了多點數字平均(數字boxcar )的處理方案。
  6. Jens lehmann is confident that germany will be at concert pitch for the start of the world cup finals. germany stuttered to a 2 - 2 draw with japan on tuesday, with the home defence ripped to shreds on numerous occasions

    雖然德國隊在30日同日本隊的熱身賽中狼狽地以2 : 2同對手握手言和,但效力于阿森納隊的德國1門將萊曼仍然對德國隊在世界盃上的前途充滿心。
  7. In this paper, the time property of its anode and dynode outputs has been studied and compared by using weak cherenkov light, the results show that their time resolution is dependent on the number of the electrons collected at the same conditions

    為了獲得多個倍增極的輸出,對其進行了相應的改進,利用弱契倫科夫光,研究了其陽極和倍增極的時間特性,並作了,結果表明相同條件下它們的時間分辨與所收集的電子數有很大關系。
  8. A interception probability reduction theory by means of comparing the rppm with constant pri pulse sequence is also analysised in this paper, further more the strong properties of eccm of the rppm is discussed and analysised

    此外,本文還介紹了隨機脈位調制于等重復周期( pri )脈沖來降低被截獲概率的原理,討論並分析了隨機脈位調制脈沖多普勒雷達強的抗干擾能力。
  9. Engine parameter acquisition display system is an important member of helicopter seat room display system, and is made of engine parameter acquisition unit ( epu ) and engine parameter display ( epd ). epu is joined with engine electronic controller, fuel manage system, engine and accumulator by the wire. it acquire the parameter of engine, for example, analog signals, frequency signals and discrete signals, etc. then data processing, compare data and operation is executed

    發動機參數採集器通過硬連線與發動機電子控制器、燃油管理系統、發動機及蓄電池相連,採集模擬量、頻率量及離散量等參數,並對採集的數據進行運算、與處理,最後通過標準rs ? 422a串口和發動機參數顯示器及其它設備進行通訊。
  10. The thesis presents a expert system for identifies power quality disturbance signal, after compare the artificial neural network, nearest neighbors, fuzzy decision, and expert system. we bring forward the project flexible rule - based expert system, according to the characteristic inspection and measure system, and has a deep research on the problem of this system. this project for disturbance classifies has lower mistake ratio and facility maintenance

    採用專家系統的方法進行模式識別,在對神經網路、最近鄰法、模糊邏輯和專家系統及一些交叉方法等模式識別方法進行分析的基礎上,根據電能質量故障分析的特點,提出了採用規則基專家系統的方法,該模式識別方法具有便於擴展、修改和識別率高等特點。
  11. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下,通頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼效率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音頻及多種小波函數做了模擬結果,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變源編碼。
  12. 1, cut over a head : bring up to combine the applied technique most and early for the toshiba, and is also current usage to is the most extensive. he adopts a laser head, and prepare the different slice of 2 focal distances the sony for cut over, passing the conversion differently focusing the coming respectively reading dvd with cd, its shape looking with double head to resemble respectively, because can see two sets focuse the, laser head to interiorly can t see. he reads the signal quantity is higher, but because of want the conversioning to focuse the, therefore the cost belong to the inside and so forth of level, and recognize the dish speed slow, same the implicit mechanical trouble rate is high

    1切換雙鏡頭:為toshiba最早提出並應用的技術,也是目前使用最廣泛的。他採用一個激光頭,分別準備2個焦距不同的鏡片切換,通過轉換不同的聚焦鏡來分別讀取dvd和cd ,它的外形看起來與雙頭的sony相似,因為只能看到二組聚焦鏡,激光頭在內部看不見。他讀取質量高,但由於要轉換聚焦鏡,所以成本屬于中等水平,認盤速度慢,同樣隱含的機械故障率高。
  13. On the choice of sensor, we choose a kind of near sensors, e2k - f10mc1, succeed in signal acquisition of forepart

    在傳感器的選擇上,經過多方,採用了e2k - f10mc1 ?接近傳感器,成功地完成了的前端採集任務。
  14. Chapter 3 studies the false target jamming. jamming signal generation formula is proposed by the investigation of simultaneous ground echoes of two different point targets in radar beam. comprehensive research about the characteristics of jamming signal is made, and raw data is used in simulation

    第三章對虛假圖像干擾進行了研究,通過對雷達波束內兩個不同的點目標在同一時刻的回波進行的分析,推導了干擾的生成公式,對干擾的特徵作了詳細的分析,並結合實測數據做了模擬實驗。
  15. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通與軍用通,尤其是對于非合作性通、通對抗,如:確認、監控、干擾辨識、電子對抗、軟體無線電、電子救援、通對抗、軍事威脅分析等。本論文在分析現有研究的基礎上,借鑒了已有的特徵提取方法,對相關調制類型特徵提取方法進行了優化,使用了一些有效的方法,如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、平方后的頻譜分析方法、四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析,本論文選擇了適合的基於決策理論的識別演算法。
  16. Aees employs the multi - staged digital filter algorithm to reduce random error. meanwile, the system correct zero deviation through linear opreation. the instrument, from hardware aspect increases the feature of anti - interference by the way of reasonable layout, sepration of digital and analogue

    系統採用了中值濾波和滑動平均濾波相結合的多級數字濾波演算法來減小隨機誤差,並以精密基準電壓作為比較信號的輸入,由智能系統通過線性運算,實時地修正、校準測量數據,減小系統的零漂,實現自動定標並提高測量的精度。
  17. For real world implementation of wavelet theory, the selection of suitable wavelet bases and related algorithms is mainly focused on. then the application in signal de - noising with wavelet transform is investigated. due to the specialties of fault signals in motor control system fault diagnosis, a novel de - noising method applying wavelet analysis scale space filter by using the properties of the signal and noise modulus maxima across scales is proposed

    研究了小波理論在去噪方面的理論和演算法,並針對電機控制系統故障的特殊性,提出了基於小波變換模極大值理論的尺度相關去噪方法,並提出了改進方法,從而得到了既能保護的奇異性特徵,又可以取得去噪方法,並將其應用於實際系統,取得了很好的效果。
  18. In recent years, with the development of communication technologies, digital protection devices are also improved. in this paper, the communications that are used in digital protection device and the protocol they followed are studied. as a kind of field bus technology, can ( control area network ) is applied to the communications of double mcu, which has higher reliability and strong transmission ability

    同以往的通技術相, can傳輸採用短幀結構,每幀的有效位元組數為8個,因而傳輸時間短,受干擾的概率低,當節點嚴重錯誤時,具有自動關閉的功能,以切斷該節點與總線的聯系,使總線上的其他節點和通不受影響,具有強的抗干擾能力。
  19. Besed on wavelet " s well localized characterizes in time frequency and space frequency, we can exactly depict events of nonnoise by decomposing to signal using binary - wavelet transform. for events of noise, local max can be found at singular points of signal by using wavelet transform norm of signal, so adopting multiscale wavelet analysis the maximal point of wavelet transform norm, which risen by the noise, with increasing of scale, which rien by the fault appeared. gived a properly threshold and compared the relation of data that have been transformed not only find the fault in the low noise signal but also resume the signal by filtering noise, which have good power of examining singular signal being unexpectedly change

    對于噪聲中的事件點,利用的小波變換的模在的突變點取得局部最大值,採用多尺度(多分辨)小波分析,則隨著尺度的增大,噪聲引起的小波變換模的極大值點迅速減少,而故障引起的小波變換模的極大值點得以顯露,我們給出一個適當的閥值,閥值和變換后數據的關系,不但可以在低中監測到故障,而且可以濾去噪聲恢復原,對突變的奇異性具有良好的監測能力,能夠有效地找出噪聲中的事件點。
  20. To achieve it the author established a new observation flux linkage based on mras ( model reference adaptive system ), which choose the stator current as comparing signal and can effectively estimate the flux linkage and rotate speed with simple configuration. the speed estimation with speed sensorless is an important trend of modern ac drive

    對磁鏈的觀測採取了改進的u - i積分器,並提出了一種新型的定子磁鏈mras自適應觀測器,以定子電流作為比較信號,結構簡單,能有效地辨識定子電阻,從而真正有效地估計定子磁鏈和速度。
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