signa 中文意思是什麼

signa 解釋
標記, 用法簽
  1. 3. an elementary attempt has been made to enhance the signa - to - noise ratio of pqc sensors using cholestyramine particles embedded in the sensing film. bor more, an all - purpose sulpha - drugs pqc sensor was developed whch can be used for screening practice

    對如何提高基於離子對締合物的壓電藥物傳感器的信噪比進行了初步探索，發現在傳感膜層嵌入考來烯胺樹脂顆粒對磺胺藥物壓電傳感器的信號有明顯的擴增作用。
  2. Automatic fire signa

    自動消防設備
  3. On the other hand, atm is connection - oriented, the implementation of cac function for svc depends on atm signaling system. however, as a result of having no necessary functions of call and connection control, the protocol stacks for atm signa ling defined by itu - t can not realize the function of cac and can not be used directly in the atm equipment

    另一方面， atm是面向連接的，交換型虛連接（ svc ）真正體現了atm技術的靈活性，與svc相應的cac功能則依賴于atm信令系統來完成，然而itu - t所定義的atmuni和nni信令協議棧由於缺乏必要的呼叫/連接控制功能，從而無法對cac進行支持且無法直接應用於各種atm設備中。
  4. We are enclosing our sales confirmation no. … ， in duplicate, one copy of which ， completed with your signa - ture ， is to be returned to us

    附寄銷售確認書第…號一式兩份，望查收。請會簽一份並退副本退還我方。
  5. By utilizing the knowledge of digital circuit and simulation circuit, the system designs the pretreatment dealing circuit of the myoelectrical signal, which has the feature of big input impedance well suppress of public module and high gains. then the signal is gathered with " zhentong " data gathering after dealing with, and the software of signal processing is explored before the myoelectric signal is analyzed. after picking up eigenvalue, it is proved that the result is unanimous basically with the data of the relevant materials ; the other is to control artificial hand by the eigenvalue of the myoelectric signa l and at last the system gets very good control results

    即利用數字電路和模擬電路等相關知識，設計了具有輸入阻抗大、共模抑制好、增益高等特點的肌電信號前置處理電路，利用「振通」數據採集儀對處理后的信號進行採集，並利用快速傅立葉變換的相關知識編寫了信號處理程序，對肌電信號進行了波形分析、幅值譜分析和功率譜分析，提取了信號特徵值，與相關資料的數據相比，基本一致；二是利用肌電信號的特徵值對肌電假手進行控制。
  6. The emphasis of this article is the design in the second period, which is based on the pic microchip interface, because at present embedded structure is adopted by most of medical instruments so that it can run separately without computer, hi this part the article specifically introduces the interface circuit of pic16f877 single - chip, which includes the acquisition of a / d signa ls and the serial communication between the single - chip and computer, the design of complex programmable logic device ( cpld ) and the using of hardware describe language ( vhdl ) to control the rotate speed of 4 - route stepping motors

    本論文的重點是在設備的第二階段開發，它是基於pic系列單片機介面的硬體設計，主要是針對現階段大多數醫療設備都是採用嵌入式結構，它能夠脫離計算機單獨運行。在這部分詳細介紹了pic16f877單片機的外圍電路，包括a d信號的採集、單片機與計算機的串列通信，可編程邏輯器件cpld硬體的設計，以及用硬體描述語言vhdl編程來同時實現4路步進電機的轉速控制。
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