signal pipe 中文意思是什麼

signal pipe 解釋
信號管
  • 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...
  • pipe : n 1 管,導管,筒。2 煙斗,煙袋;一袋煙。3 〈古語〉笛,管樂器;【航海】(水手長的)哨子(聲);〈p...
  1. For the leakage often occured on condenser brass pipe of hanchuan power plant, using differential inner insert detecting coil the on - line multi - frequency eddy current check technology effectively restrains interferance source signal from support board, etc, improves measuring sensitivity and the measuring result gets more reliable

    摘要針對漢川電廠凝汽器銅管在運行中多次發生泄漏,利用差分內插式檢測線圈,通過多頻渦流檢測技術對凝汽器進行渦流在役檢測,有效地抑制了支撐板等干擾源信號,提高了檢測靈敏度,使得檢測結果更可靠。
  2. The hardware has two input channels of high - speed analog signal, with the signal amplitude of 0 - 5v, the conversion precision of 12bits, and the maximum sampling rate of 400ksps. this system includes 4 dsps ( adsp 2181 ), which can be arranged as a pipe line processing array. many algorithms can be realized in this system

    系統硬體有兩路模擬數據採集通道,模擬信號輸入范圍為0 ? 5v ,轉換精度為12位,最高采樣率400ksps ;系統包含4片dsp ( adsp2181 )構成的流水線型的處理陣列,可用於實現各種演算法;系統的控制邏輯由fpga完成。
  3. Precise locating needs to detect the acoustic signal of the pipe leaks that has close relationship with the acoustic impedance of the leaks

    準確定位漏點須對漏損管道的聲信號進行研究,而漏損管道的聲信號與漏損點的聲阻抗密切相關。
  4. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁檢測傳感器,獲得管道軸截面漏磁場切向分量的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法;分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性,研究了漏磁信號的小波去噪方法。
  5. Some popularly concerned hot problems and fast developed techniques in present nondestructive testing field were introduced, such as on - line monitoring for pipe laying, gas pipeline and embedding pipes, inspection for the adhesive coating of composite material, imaging techniques and signal processing

    摘要介紹當前無損檢測領域幾項快速發展的並受人普遍關注的熱點問題和技術,如輸油、輸氣管道和地下管網的在線監測、復合材料粘接層的檢測、成像技術以及信號處理。
  6. The thesis analyses the signal of vibration and noise of water system in pump room through power frequency spectrum analysis and coherence analysis. meanwhile uses finite element method ( fem ) to investigate the characteristics of pipe system

    論文通過功率譜分析、相干分析等方法對供水系統泵房內的管道系統進行振動與噪聲信號的分析,用有限元的方法分析管道系統的結構特性。
  7. In this system, mean velocity pipe is applied to transform the air velocity signal into pressure difference signal, and then the pressure difference signal is input into pressure difference transmitter to realize the transform of the pressure difference signal from non - electricity signal to electric current, and through the resistance in the corresponding sampling circuit the electric current is transformed into voltage signal ; the thermocouple is used as the primary element to realize the transform from temperature signal to the voltage signal ; under the control of communication agreement module, diversified voltage signal is transported into computer by way of a / d conversion module, and then the monitoring software compiled beforehand is transferred to deal with all the voltage signals relatively, the result of which is conveyed to relative interface to display

    該裝置具有三個特點:一是採用表面式測溫方法,有效地減少了元件的維護與損耗;二是採用工業控制計算機及信息就地採集、數據總線傳輸的方式,充分利用計算機和數據自動採集方面的技術,實現各種參數的在線測量,監測指標全面,能與dcs系統聯用,具有技術先進性和一定的前瞻性;三是採用顯示器配工業觸摸屏的顯示方式,為現場運行人員提供了簡單、易學、方便的操作模式。本裝置自2001年8月投入運行以來,有效地幫助、指導運行人員進行燃燒調整,對于鍋爐和機組的安全、經濟運行發揮了重要作用。
  8. This dissertation concentrates on the difficult problems that the pipeline or pipe defects are not estimated or evaluated quantitatively, intelligently by mfl ( magnetic flux leakage ) inspection method. from the practical demand, theoretical analysis and experiments or testing, the mfl inspection technology of pipeline or pipe defects are explained, summarized in detail in the whole paper, at the same time, the relationship between the mfl field distribution, the mfl signal shape and the defect geometry or severity, the analysis of the mfl data and the compensation of influencing the relationship factors, signal feature extraction, intelligent recognition of defect parameters and so on are studied systematically

    論文針對管道(鋼管)缺陷漏磁檢測定量化、智能化的難題,緊密結合檢測現場實際需要,通過理論分析和大量實驗,系統分析總結了管道(鋼管)缺陷漏磁智能檢測技術,並在缺陷漏磁場分佈以及缺陷漏磁信號與缺陷外形參數間的關系、缺陷漏磁信號分析、漏磁信號影響因素補償、缺陷漏磁場波形特徵提取和缺陷外形尺寸定量識別等方面進行了深入研究,主要成果和創新如下:引出磁偶極子模型近似分析常見缺陷漏磁場,針對磁偶極子模型的不足,將有限元方法應用到缺陷漏磁場分析,實現了常見管道樣本缺陷漏磁場的模擬。
  9. Exhaust gas oxygen sensor ( ego ) which is installed in the exhaust pipe of the engine is a significant component in the electronic fuel injection. it has the ability to probe the concentration of oxygen in the exhaust pipe, and can transfer concentration signal to voltage signal which is passed to electronic control unit ( ecu ). in this way the air - fuel ratio can be controlled to the strait range of stoichiometrical point and the three - way catalytic converter consequently can work better

    車用氧傳感器是電噴系統的關鍵部件,安裝在發動機的排氣管上,能夠探測排氣管中的氧氣的濃度,然後將濃度信號轉變成電壓信號並傳送給電控單元ecu ,從而把空燃比控制在理論空燃比附近,配合三元催化反應器進行后處理凈化。
  10. Finally, some important conclusions were drawn, that is, using distributed pzt transducers, ultrasonic guided waves are generated and received in a pipe. usually, there are many different modes of guided wave propagating in the pipe and these modes are generally dispersive, the specific exciting signal of a harming windowed toneburst with a central frequency of 70khz for decreasing the effect of dispersion was selected. and guided wave are generated using 16 distributed pzt transducers in a circumferential direction for suppressing flexural modes

    首先,對當前本課題研究領域的進展作出綜述,並簡要介紹與超聲導波技術相關的理論基礎;其次,建立了一套有效的實驗裝置,在此實驗裝置基礎上,重點研究了採用分散式pzt傳感器在管中激勵和接收特定模態超聲導波的方法:根據在管狀波導中傳播的超聲波具有頻散現象及多模態特徵,選擇具有單一頻率的特定信號激勵超聲導波,使其頻散最小;同時採用分散式傳感器抑制不同模態的波型。
  11. So the pressure signal of control air holds the single - acting cylinder at the stop position through the pipe named “ supply ”, the 3 - way valve ( pos. no. 22, upper frame ), the double check valve ( pos. no. 72 - 1 ) and the quick release valve ( pos. no. 41, right frame )

    因此控制空氣的壓力信號保持單作用氣缸在停止位置通過管路supply ,三通閥22 ,上位,雙向止回閥72 - 1和快速泄放閥41 ,右位。
  12. An alternative to traditional pipe detection method is to excite stress waves, which can propagate along the pipe, and to monitor the response of the pipe for changes in the received signal at some remote positioa an ultrasonic inspection technique using guided waves was applied to detect and determine the exact location of flaws in long steel pipes

    而傳統無損超聲檢測技術是單點檢測,因而,在檢測長距離管道時,這種方法遇到很大困難。而利用縱向超聲導波檢測管道缺陷,激勵導波沿管道傳播,通過監測管道回波的變化,達到一次檢測數十米的管道範圍,並且是全范圍檢測。
  13. In the second part, the new method is compared with the old one in such aspects as system structure and signal processing methods. in the third part, the properties of dsss and lfm systems, especially the echo signal correlation processing of the systems are discussed. the last part are the respective analyses of water - pipe simulation experiment results and the trial results in zhong yuan oil field

    本文首先介紹了超聲測距的基本原理,分析了通道的聲傳輸特性;接著將傳統液位測量方法和新型液位測量方法的系統構成和信號分析處理方法做比較;然後對系統的發射信號(直接序列擴頻信號和線性調頻信號)的特點進行了研究,並著重討論了回波信號的相關處理;最後對水管模擬實驗測量結果和油田實地測量結果分別進行了分析和討論。
  14. With the changing of the pressure of water - filled pipe, diameter of leak hole, distance of propagation, the energy and spectrum of pipe leak signal will change. based on this system, these laws were researched by means of experiment

    通過對充液管道泄漏聲發射檢測實驗,研究了泄漏聲發射信號的能量和頻譜隨壓力、泄漏孔徑大小及傳播距離變化的規律; 2
  15. Dpkg - deb : subprocess paste killed by signal broken pipe errors were encountered while processing

    中dpkg - deb :子程序paste因錯誤訊息損毀的pipe而被中斷在處理時發生了錯誤:
  16. In this paper, leak of water - filled pipe was researched in laboratory by means of modal acoustic emission and modem signal processing technologies

    本文在實驗室條件下,利用模態聲發射技術並結合現代信號處理技術,對充液管道泄漏問題進行了研究。
  17. In this paper, a matching platform for a model lh150 four stroke motorcycle engine is set up and a electronic fuel injection system is designed. the design of the electronic fuel injection system include the fuel supply system design, the intake pipe and throttle body design, the electronic control unit ( ecu ) develop, the way to use sensor of the system and the means to deal with sensor signal

    本論文建立了一套針對lh150型四沖程摩托車發動機的匹配臺架,設計了一套用於摩托車發動機的電控燃油噴射系統,對發動機供油系統、進氣系統進行了設計和選配;建立了一套傳感器的使用和信號處理方法;設計了一套電控單元硬體,並初步確定了電控單元的控制方法。
  18. For the problem that on - line monitoring of primary air of direct firing pulverizing system ca n ' t be complete achieved, the chaotic properties of parameter change of two - phase flow in pipe is analyzed in the paper, according to the pressure difference signal of two - phase flow system

    目前電站鍋爐直吹式制粉系統的一次風氣固兩相流流動狀態在線監測仍未得以實現,針對這一難題,本文首次基於管道內氣固兩相流差壓信號對其流動狀態變化的混沌特性進行理論研究。
  19. When the competition - leader gives the starting signal, the participants will open the packet of tobacco and will have five ( 5 ) minutes to fill the pipe

    競賽主理示意比賽開始,參賽者開啟煙草包裝,於五( 5 )分鐘時限內裝填煙斗。
  20. It can change the flow and cut off gas medium in the pipe by the different control signal

    對管道中氣體介質按不同控制信號調節流量大小和切斷。
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