鍵相信號 的英文怎麼說

中文拼音 [jiànxiāngxìnháo]
鍵相信號 英文
key-phase signal
  • 鍵 : 名詞1 [機械工程] （使軸與齒輪、皮帶輪等連接並固定在一起的零件） key 2 [書面語] （插門的金屬棍子）...
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  1. Although chest pain is the key warning sign of a heart attack, it may be confused with indigestion, pleurisy, pneumonia, or other disorders

    雖然，胸痛是心肌梗塞的關鍵警告信號。但是它可能與消化不良、胸膜炎、肺炎、或其他的並證相混擾。
  2. The field of video signal processing is now undergoing a digital reform. the digital processing technique is clearly expatiated in this paper, such as a / d convert, anti - alias filter, clamp control, gain control, pll, synchronization circuit, color decoder, comb filters

    本文詳細敘述了視頻圖像的數字處理方法，重點介紹了視頻信號數字化技術、抗混疊濾波器、箝位、增益控制、鎖相技術、同步時鐘產生、電視信號亮色分離、彩色解碼等技術，這些關鍵技術為視頻信號的數字化處理提供了重要的基礎。
  3. Based on the principle of the ultrasonic cross - correlation flowmeter, the key factor of the development of cross - correlation flowmeter, namely the design of cross - correlator, is analyzed in the paper. digital signal processing is introduced to design the flowmeter, the cross - correlation operation of random noise signal is dealt with inside the frequency field, and the digital cross - correlator is designed

    本文從超聲相關流量計的工作原理出發，分析了超聲相關流量計研製的關鍵因素，即相關器的設計，並將數字信號處理技術引入了超聲相關流量計的設計，在頻域內對流動隨機噪聲信號進行相關處理，構造了數字相關器。
  4. ( c ) propose the scheme to implementing the coder and deoder of optical time - spreading / frequency - hopping, by assigning two orthogonal codes for one user and using these two codes to encoding 1 and 0 respectively, differential detection can be adopted. not only improves system performances in ber, but also resists the interference such as mai, and does n ' t need any control devices to evaluate the optimum decisive threshold

    通過給每個用戶指定互相關為0的兩個地址碼分別發送1和0信號以及在接收端採用差分檢測技術，避免了ook （開關鍵控）光通信系統中0不發送光脈沖和ook常規檢測方式下最佳判決門限必須根椐用戶數等外界環境而改變，從而提高了系統性能和降低了系統的復雜度。
  5. In large dimension measurement techniques, on the two - dimensional optical microscopy work platform displacement signals collection, the introduction of raster feet to achieve large dimension measurements designed raster signal acquisition circuits, a collection of analytical studies of the key circuits, the corresponding solutions, and discussed work platform displacement signals, image data and the actual dimension ; meanwhile driving mechanism designed electrical circuit, laying the foundation for the measurement of two - dimensional work platform automatically

    在超屏幕尺寸測量技術中，關於二維光學顯微工作臺位移信號採集，採用了光柵尺來實現超屏幕尺寸測量，設計了光柵信號採集電路，分析研究了採集電路中的關鍵性問題，提出相應的解決方案，並討論了工作臺位移信號、圖像數據與實際尺寸的關系;同時設計了電機驅動介面電路，為二維工作臺自動測量奠定基礎。
  6. Thioredoxins, an ubiquitous small proteins with a redox active disulfide bridge in its conserved motif - cp ( g ) pc -, are universally distributed in eucaryote and procaryote and have a molecular mass of approximately 12kda. by its disulfide / dithiol interchange reaction, this protein can transmit the regulatory signals to seleted targets ( enzymes, transcription factors etc ) and plays an important role in many plant physiological processes that includes photosynthesis, dna synthesis, transcription, protein disulfide reduction, protein repair, filamentous phage assembly, cell apoptosis and seeds germinating and so on

    該蛋白質中含有保守的- cp （ g ） pc -氨基酸活性基序，該基序中的兩個半胱氨酸殘基可通過巰基二硫鍵的轉換實現其氧化還原狀態的變化和電子氫的傳遞，對細胞中與氧化還原相關的多種生理過程的調節起重要作用。通過同許多酶類、蛋白類、細胞內活性因子相藕連， trx能對光合作用、 dna復制、基因轉錄、細胞凋亡和生長、噬菌體組裝、蛋白質的還原和修復信號傳導等生理過程產生影響和調節。
  7. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。
  8. That ' s right, you can disguise those important triggers words just by inserting a simple keyboard symbol but be sure that you do not overdo it and make it too cryptic that your readers can ' t understand

    一點不錯，你可以掩飾這些重要觸發詞剛剛插入了一個簡單的鍵盤符號，但可以相信你不能矯枉過正，它並使它過于含糊，你的讀者無法理解
  9. Large time - band product signals such as linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ), phase coded signals and so on are one of key technologies for pulse compression radar systems

    具有大時寬帶寬積的信號，如線性調頻信號、非線性調頻信號、相位編碼信號等是雷達應用脈沖壓縮技術的關鍵之一。
  10. The main task in this design is to process the obtained electrical signals, including pulses amplifying, reshaping and intervals measuring between pulses. then, by means mentioned above, the rotating speed of the mirror can be obtained

    論文的關鍵任務就是對該信號進行相關處理，包括信號的放大、整形和脈沖時間間隔計數，最終實時獲得高精度的相機反射鏡的轉速。
  11. Also it can effectively solve the main " four - threat " of single radar system. however, there ' s some problems must to be resolved, such as time synchronization, space and phase synchronization, signal processing, and clutter constricting, etc. this thesis concentrates on the time synchronization and phase synchronization of bistatic radar system

    雙基地雷達體制和系統結構上的特殊性決定了它在技術上具有不同於傳統雷達的一些特點，所以雙基地雷達系統的研製首先需要解決時間同步、頻率和相位同步、空間同步、信號處理、雜波抑制等關鍵技術。
  12. With the exception of the tropical western pacific of large mld. there is negative correlation relationships between the anomaly of the sst mjo intensity and that of the mld in the other three regions in the seasons of the climatic small mld thus the causes of climatic and anomalous characteristics of atmospheric mjo are related to sst identically, and the corresponding features of sst mjo are related to mld, 3 ) enso is the strongest sign and can lead to the distinct sst and mld anomaly, hence the intensity anomaly of the air - sea system inevitably takes place during the enso

    Sst季內振蕩強度與mld異常的局地同時性相關結果是，熱帶西太平洋無顯著相關（氣候mld較大） ，其餘三關鍵區氣候mld小的季節均存在sst季內振蕩強度與mld異常的負相關聯系。因此大氣季內振蕩氣候及異常特徵直接成因一致地與sst 、有關；海洋季內振蕩相應特徵則直接與mld有關。 3 ） enso是海氣系統中最強異常信號，在海洋中它引起了sst 、 mld的明顯異常，因此，伴隨enso必然發生海氣系統季內振蕩強度的異常。
  13. Intelligent counter digital frequency rotating speed line velocity display control transmit instruments are all adopt used advanced microprocessor for smart control. input is pulsed quantity or contect switch quantity signal, after cpu operation processing, count, rotating speed or line velocity will be clearly intuitional indicated by high brightness led numeral tube, at the same time, these signals can be changed into standard voltage current signal to transmit output. and have the functions of super - limited alarm, standard serial communication function

    簡易后備操作器接收從dcs系統或pid調節器給定的模擬量信號，正常控制時，操作器輸入輸出相當于直通的，以實現dcs系統或pid調節器對執行機構的自動控制，當前級dcs系統或pid調節器發生故障時，操作器接收到故障狀態信號，即轉為手動控制狀態，由按鍵控制操作信號的輸出，當故障解除，儀表自動恢復自動狀態。
  14. Are all adopt used advanced microprocessor for smart control. input is pulsed quantity or contect switch quantity signal, after cpu operation processing, count, rotating speed or line velocity will be clearly intuitional indicated by high brightness led numeral tube, at the same time, these signals can be changed into standard voltage current signal to transmit output. and have the functions of super - limited alarm, standard serial communication function

    接收從dcs系統或pid調節器給定的模擬量信號，正常控制時，操作器輸入輸出相當于直通的，以實現dcs系統或pid調節器對執行機構的自動控制，當前級dcs系統或pid調節器發生故障時，操作器接收到故障狀態信號，即轉為手動控制狀態，由按鍵控制操作信號的輸出，當故障解除，儀表自動恢復自動狀態。
  15. The key technique of telemetry digital diversity receiver is diversity technique, which combines independent multi - path signal or extremely irrelevant multi - path signal at less, and improves instant snr and average snr in receiver and enhances communication quality. there are many irrelevant multi - path signal in wireless

    遙測數字分集接收機一個重要關鍵是分集技術，分集技術是對獨立的或至少是高度不相關的多徑信號進行相加，從而改善接收端信號的瞬時信噪比和平均信噪比，提高通信質量。
  16. Combined harvester with yield - measuring system and gps navigation system is an important component of implementing " precise agriculture ", yield - measuring system is a key to " precise agriculture ". yield - measuring system mainly uses many sensors and gathers various kinds of relevant signal in order to reach to an function of monitoring unit area output in real time, as the basis of drawing the output picture

    配備測產系統的聯合收獲機是實施「精確農業」的重要物質手段，測產系統又是它的關鍵，測產系統主要是應用多個傳感器，將各種相關信號進行採集，以達到實時監測單位面積產量的功能，作為繪制產量圖的依據。
  17. Most current algorithms only work well in special conditions, because of the abnormity of signals in the real world. now, the research in the ica arises much passion and the ica has brought about many applications. the primary results the writer has got are as the following : after a whiting process, it is a key to find an orthogonal matrix to throw away the high - order redundant information between components

    由於現實生活中信號十分不規則，目前提出的演算法大多隻能針對某類信號分離，鑒于目前在ica方面極大的研究熱情和強大的背景支持，作者對ica離線演算法做了一定研究，主要內容和工作包括如下: ica問題經過白化處理后，尋找去除高階相關的正交矩陣成為問題關鍵，而正交矩陣具有特殊的空間結構，組成它的每個列向量可視作rn中單位超球表面上一點，當這些點彼此垂直時，整體就組成一個正交矩陣。
  18. In practical studies, finally, a hybrid active power filter based on the digital signal processor ( dsp ) and intelligent power module ( ipm ) was set up, including a cycloconverter acem. based on the experimental set - up, plenty of experimental studies were conducted. the experimental results demonstrate that the self - adaptive technique, the topology of series connected hybrid power filter and the corresponding significant technologies described above are feasible and practical

    最後，實際研製了一套以dsp （高速數字信號處理器）和ipm （智能功率模塊）為核心的小功率混合型有源濾波裝置，在交交變頻acem實驗平臺上進行了全面的實驗研究，充分驗證了本文所提出的自適應同步相關濾波技術、優化混合型濾波器拓撲結構和有關的關鍵性技術的正確性和實用性，從而從理論到實踐全方位、成功地實現了對交流勵磁發電機輸出電力諧波抑制的研究。
  19. The main contributions of this dissertation are as follows : 1 ) forms a scheme of network maintance as well as realiztion of the problem testing software after a thorough analysis of the regular network problems and a pertinent comment on the merits and demerits of the network detection and maintainance methodology. 2 ) presents approaches to the realization of principles of network health testing, network resources list and connectivity testing in the network problem testing software, and gives a in - depth analysis of the key issues in design process with vivid flow charts and convincing testing results. 3 ) ponits out possible problems and offers feasible solutions in the migration and development of the embedded software from six aspects, touching upon byte order, semaphore, coding optimization, etc. 4 ) discusses the exception handling mechanisms and debugging process for the sake of improving software robustness

    本文的主要工作如下: 1 ）研究了以太網常見故障並對網路探測維護方式的優缺點進行了詳盡分析，根據項目要求確定了本系統的網路維護方案，並對故障測試軟體的總體實現方案進行了設計; 2 ）闡明了網路故障測試軟體中網路健康測試、網路資源列表、連通性測試的原理，提出了相應的實現方案，分析了設計過程中的關鍵問題，並給出軟體流程圖和測試結果; 3 ）從位元組序、信號量、代碼優化等六個方面談論了嵌入式軟體在移植開發中的注意事項; 4 ）為提高軟體的健壯性，討論了本嵌入式系統軟體採用的異常處理機制以及軟體調試過程中的。
  20. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。
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