bridge signal 中文意思是什麼

bridge signal 解釋
橋梁防護信號
  • bridge : n 1 橋,橋梁;【造船】艦橋,船橋。2 鼻樑;(假牙上的)齒橋;【音樂】弦柱,弦馬;【電學】電橋;【...
  • signal : n 1 信號,暗號;信號器。2 動機,導火線 (for)。3 預兆,徵象。adj 1 暗號的,作信號用的。2 顯著的...
  1. Through cross - wiring of the strain gauge wheatstone bridge the precision and signal output are optimised

    通過應變元件的交叉布線惠斯登電橋,優化了精度和輸出信號。
  2. The principles and the characteristics of digital control method in phase - shift full - bridge converter are discussed. the small - signal model are built

    本文詳細論述了全橋移相zvspwmdc - dc變換器數字控制的實現方法,建立了其數字控制閉環小信號模型。
  3. Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively

    其次,理論分析和模擬研究結果表明,由於復位脈沖的非理想特性,單周控制的全橋開關功率放大器輸出端存在直流偏置問題,其大小與復位脈沖的寬度成正比。針對輸出直流偏置問題,提出了電壓補償的改進方案,給出了補償電壓的具體計算公式。對補償前和補償后的方案進行了對比模擬研究和實驗研究。
  4. Artemisinin, a sesquiterpene lactone containing an endoperoxide bridge, is a kind of phytoalexin. sa, a key signal molecular during systemic acquaired resistance ( sar ), is related to the biosynthesis of phytoalexin. aba, a stress - resistance plant hormone can influence the secondary metabolism to stimulate phytoalexin biosynthesis

    青蒿素屬于萜烯類化合物(倍半萜類)是植保素( phytoalexin )的一種, sa是植物產生系統獲得性抗性的重要信號分子,與植保素的產生相關。
  5. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。
  6. The synthetic maintenance corporation on the principle of " one job with multi - duty " and reducing the fixed number of employees and departments, is in charge of regular maintenance of track, signal, bridge, buildings and tunnel structures, intermediate and overhaul repair of signal, buildings and structures, supply of water and electricity

    固定設備的其他養護維修由綜合養護維修公司負責,按照維修中心模式統一管理固定設備的養護維修,按照一職多能、壓縮機構、減少定員的原則。公司不設置線路、橋隧和路基等大修單位,需要時可以對外招標承包完成。
  7. Bridge can be detected by the transformation of structure mode parameters with the modern technology of signal test. the vibration frequency is obtained easily in the measure, but it is n ' t sensitive to the transformation of mass and rigidity. so it is difficult to identify by test system when the damage of structure reach to the limit damage degree

    在實際的工程測量中最容易獲取的結構模態參數就是振動頻率,但是振動頻率對質量、剛度的變化具有弱靈敏性,這使得即使結構的破損程度達到了極限破損程度,振動頻率的變化也很難被測試系統識別。
  8. Bridge protecting signal

    橋梁防護信號機
  9. The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given

    該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式電路,以全橋式電路為例分析研究了這類換器工作模式、穩態原理與電壓瞬時值反饋控制策略,給出了變換器的外特性曲線、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。
  10. It is convenient to adjust the circuit and easy to acquire sensitive signal by using this method, and there is not the impedance mismatching problem met in bridge - based self - sensing circuit

    該方法使得自感知電路的調節和感知信號的獲取變得容易,克服了電橋法自感知電路阻抗不易匹配的不足。
  11. And power loss analysis of srs and the layout design related to srs are very important to the proper design. with a small signal mathematic model of half - bridge converter, the relationship between performance of power supply and frequency domain characteristics of the system is analyzed. based on the above study and some simulation the system design is completed

    文中在給出了結合單繞組自驅動方案的對稱半橋變換器穩態原理分析、同步整流管損耗分析暨選擇原則、同步整流管相關電路的布局設計后,建立了對稱半橋變換器的小信號數學模型,分析了電源系統時域性能指標與頻域特性之間的聯系,在此基礎上完成了系統的設計。
  12. Complete h bridge driving circuit is achieved to drive motors in the hardware design of robot ' s driving and control system. it adopts pwm digital signal as its control signal. this kind of circuit has some advantages, such as economical, room saving, good resistance against noise

    在機器人驅動控制系統的硬體設計部分,實現了pwm全數字控制的全h橋式多電機驅動電路,它不但具有經濟、節約空間、抗噪能力強的優點,而且有效地消除了電機靜態摩擦死區,低速平穩性好。
  13. In order to compensate the temperature of acidity sensor, electronic bridge and differential amplifier are designed to detect and amplify the signal of platinum thermistor sensor

    選用pt100鉑熱電阻溫度傳感器測量溶液溫度,對玻璃電極進行補償。
  14. For recent years, adsl has world widely employed and widely used in many aspects such as vod, remote medical treatment and e - shopping etc. but we noticed that the traditional telephone networks are designed for the transmission of low frequency signals, and the adsl ' s frequency rang is from 0 to 1. 104mhz, so we must confront the signal attenuation, the loop line noise impairments, the crosstalk interferences, the bridge tap reflections and the rf disturbances problems and many other problems when transmitting the adsl signals one the telephone networks

    近幾年來, adsl在世界范圍內得到充分的使用,廣泛應用於視頻點播、遠程醫療、網上購物等各個方面。但是由於電話線網路是專門為傳輸低頻信號而設計,而adsl的頻譜范圍在0 1 . 104mhz內,因此在傳輸adsl信號時,面臨著信號衰減、線路噪聲、串音干擾、橋接抽頭反射和射頻干擾等等多方面的問題,這就要求在adsl開通之前對線路進行一系列的測試。
  15. Vibration signal of cable - stayed bridge often have non - stationary and timely character. traditional fourier transform is a kind of whole transformation and short - time fourier transform have the limitation that if short - time window is ascertained, its shape is also certain. but wavelet analysis method have higher and lower time solution at low frequency, have lower frequency solution and higher time solution

    斜拉橋的振動信號常呈現非平穩時變特點,傳統的傅里葉分析是一種全局的變換,短時傅里葉變換也存在著當短時窗函數確定后,窗口的形狀就確定了的缺陷,不適于處理斜拉橋動測信號。
  16. Bridge announcing signal

    橋梁通知信號機
  17. On the base of it, convert the wire rope lma signal to corresponding electricity signal according to the theory of magnetic bridge

    在此基礎上,運用磁橋路原理,把鋼絲繩的金屬截面積損失信號轉化為相應的電信號。
  18. A development and updating solution for the controlling system of a high - power special pulse power supply as used in the process of potting in magnesium and aluminium ect light - alloy surface is discussed. the power supply controller adopts intel 16 bit signal chip employing the core of controller, full - bridge controlled rectifying and reversing technique in its main circuit, pulse width modulation technique is adopted in controlling circuit

    控制器採用intel16位單片機80c196kc為核心,電源主電路採用全控整流技術和逆變技術,控制電路採用pwm (脈寬調制)控制方式,電源實現了雙向不對稱脈沖輸出和在大電流、高電壓工況下主要技術參數的大范圍連續可調。
  19. So, the scope of this article is to give a tactic of wavelet - based applications in bridge structural health monitoring and damage detection by means of dynamic structural tests. analysis monitoring signal with muti - resolution analysis, dispelling signal noise with wavelet transform, obtain wavelet - based damage indicators and detect the presence and occurrence of damage, realize the on - line alarming in bridge structural health monitoring

    利用小波分析對大量的原始數據進行實時、有效的降噪處理,直接提取結構參數,對結構損傷及時進行預警,把基於小波分析的在線信號處理方法、損傷預警、結構損傷特徵參數的提取統一起來,實現橋梁結構的實時在線健康狀態監測。
  20. No, but really the best part of the whole episode, he went on, his excitement subsiding under the interest of his own story, is that the sergeant in charge of the cannon which was to give the signal for firing the mines and blowing up the bridge, this sergeant seeing the french troops running on to the bridge wanted to fire, but lannes pulled his arm away

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