water signal 中文意思是什麼

water signal 解釋
測量浮標測量浮立標
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  • 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. Eccentric signal butterfly valve for water - supply

    供水用偏心信號蝶閥
  2. The dissertation tries to combine signal processing and information fusion with the application background of under - water recognition so as to improve the reliability and accuracy of eradiate noise recognition system

    本文試圖把現代信號處理技術與信息融合技術相結合,應用到具體的水下目標識別領域,以提高水下目標被動識別系統的準確性和可靠性。
  3. The corrosion current and impressed against - corrosion current of a ship modulated by shaft ' s rotation will generate an extremely low frequency electric field ( elfe ) which becomes a kind of important characteristic signal in sea water

    摘要艦船的腐蝕和防腐電流經螺旋槳轉動的調制后在海水中會?生極低頻電場,成?一種重要的特徵信號源。
  4. 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。
  5. Because there are three inputs accede to adister of water lever control system of boiler, it is easy to bring error of water lever controlling. this iartice puts forward two methods to dispel error of water lever : ( 1 ) assistant signal self - disappear

    由於鍋爐水位控制系統的調節器輸入端常加有三個輸入量,極易引起水位控制偏差,本文提出了兩種消除水位偏差的方法: ( 1 )輔助信號自消方法( 2 )輔助信號對消方法。
  6. The results show that fbg sensors have outstanding waterproof capability, high measurement precision, better long - term stability and more remote transmission signal, so fbg sensing technology is a reliant and effectual instrument for under - water structure project monitoring

    開展的光纖光柵應變、溫度傳感器在水下工程領域中較大規模的應用研究結果表明: fbg具有很好的防水性能,測試精度高,長期穩定性好,信號傳輸距離遠,為水下結構的長期監測提供了一種可靠有效的手段。
  7. It has shown that a good agreement between acoustic emission and transpiration, and the ae signal is a good water stress index for irrigation control

    試驗結果表明,作物在水脅迫下產生的聲發射信號與蒸騰量等水分指標的一致性較好,對水分虧缺反應敏感,是一個良好的灌水指標。
  8. In plants, there is an ecological and physiological mechanism of adaptability to soil water stress, which provides the signal and basis for the diagnosis of water deficit

    植物本身具有一種適應土壤水分脅迫的生理生態調節機制,以度過不良的生長環境,這為水分虧缺診斷提供了信號和依據。
  9. With the increasing requirements for detecting distance, photoelectric module, including light source and modulation, can be put under water to reduce the loss of light power in the optical fiber transmission and transmit the detected signal to the signal processing workstation on the shore. optical transceivers must be applied to realize the low - rate optical communication between the workstation on the shore and the long - distance photoelectric modules under water

    隨著光纖水聽器陣列技術的發展,可將光源與調制部分作為遠程光電模塊置於水下,減少光纖傳輸過程中光波信號的損耗,而直接將光纖的探測信號傳回岸基工作站進行處理,以增加光纖水聽器的探測距離。
  10. The system is based on the inner pid regulate function of frequency converter to regulate the living water stress with low constant stress, and the stress signal is sensed by the stress translator as feedback signal and the construction is sent by the computer as the given signal. the water stress is regulated to high constant stress when the fire happens

    本論文基於變頻器內置pid調節系統,以管網的壓力變送器壓力信號作為反饋信號,由上位機發出的當前狀態作為給定輸出,調節生活供水壓力使其保持低恆壓狀態;當火災發生時,調節系統管網壓力為高恆壓狀態。
  11. The railway infrastructure corporation, responsible for the fixed facility maintenance and operation which include buildings and structures maintenance, water and electricity supply, signal repair and track maintenance, is composed of mechanized track maintenance corporation and synthetic maintenance corporation

    固定設施運營維修由機械化維修公司和固定設施綜合維修公司組成,集房建、信號、水電和線路設備養護維修於一體。線路設備綜合維修和檢查檢測以機械化為主,由機械化維修公司負責。
  12. The main cause of signal ' s decrease in infrared channel of spacecraft flying remote sensing instrumentation is water vapor deposition on the surface of low temperature optical instruments which released from materials

    摘要空間遙感儀器紅外通道的信號衰減,人軌初期的主要原因是由於材料釋放的水汽在低溫光學窗口表面沉積,導致紅外透射率降低所致。
  13. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  14. Using the knowledge of mechanics and transducer, the water level induce part was developed to measure the water level signal in effect. the researchers designed the hardware part on the basic of the knowledge of electro circuit, the computer principle and the intelligent designing theory

    同時,根據電子電路知識、計算機控制原理及智能化儀表的設計思想,採用現代儀器設計中的期間解決方案,對水位計系統的核心硬體控制部分進行了較為全面的設計。
  15. This system use the floater style sensor, mechanical encoder to get water - level signal, and use the at89c51 single chip system to transform the signal into water - level data, use modem through pstn to transmit data for a long - distance, and designed a information management software system hi the irrigation works bureau information center for communication and data management. the structure of the system was discussed in the thesis

    該系統使用浮子式傳感器、機械式編碼器獲取水位信號,利用at89c51單片機系統採集水位數據(簡稱:下位機系統) ,採用數據機、通過公共電話網( pstn )遠程傳輸數據,並在泰興市水務局信息中心通過主控計算機(簡稱:上位機)進行通信及信息系統管理。
  16. Abstract : plant responses to salt stress via a complex mechanism, including sensing and transducing the stress signal, activating the transcription factors and the corresponding metabolizing genes. since the whole mechanism is still unclear, this review emphasize the biochemical events during the plant adaptation to salt stress referring to an index of importance : the homeostasis in cytoplasm, the biosynthesis of osmolytes and the transport of water. most of these biochemical events were elucidated by study of halophyte and salt - sensitive mutations, also many important genes involved were cloned and used to generate stress - tolerance phenotypes in transgenic plants. on the other hand, about the molecular mechanism in signal transduction, the research of arabidopsis mutations and yeast functional complementation provided helpful traces but not full pathway

    摘要植物對鹽脅迫的耐受反應是個復雜的過程,在分子水平上它包括對外界鹽信號的感應和傳遞,特異轉錄因子的激活和下游控制生理生化應答的效應基因的表達.在生化應答中,本文著重討論負責維持和重建離子平衡的膜轉運蛋白、滲調劑的生物合成和功能及水分控制.這些生理生化應答最終使得液泡中離子濃度升高和滲調劑在胞質中積累.近年來,通過對各種鹽生植物或鹽敏感突變株的研究,闡明了許多鹽應答的離子轉運途徑、水通道和物種特異的滲調劑代謝途徑,克隆了其相關基因並能在轉基因淡水植物中產生耐鹽表型;另一方面,在擬南芥突變體及利用酵母鹽敏感突變株功能互補篩選得到一些編碼信號傳遞蛋白的基因,這些都有助於闡明植物鹽脅迫應答的分子機制。
  17. In case of narrow water passageway, a vessel must give siren signal to show its intention of getting over the other vessel. 2 long, 2 short : vessel will get over on the left

    在狹窄水道或航道互相見到時,船舶如欲追越另一艘船時,必須發出以下汽笛信號,將意向表明:
  18. This control system adopts creditable plc for real control ; it sends many simulating signals collected by old sand temperature of inlet, suction opening temperature of double disk, inner sand temperature of double disk, current of mainframe and current of fan ; meanwhile, the operation signal and switching value signal outputted by material movement transducer is inputted to switching value module of plc ; it gets evidence of water feeding after cpu account ; the operation result of cpu is outputted by switching value of plc to control unlock combination of coarse, middle and thin water feeding electromagnetically operated valve and then gets different water feeding quantity

    該控制系統採用高可靠性的plc可編程序控制器進行實時控制,傳感器所採集的入口舊砂溫度雙盤抽風口溫度雙盤內砂溫主電機電流及鼓風機電流等模擬量信號直接輸入plc的模擬量採集模塊,同時加砂設備運轉信號及加砂設備物料移動檢測傳感器發出的開關量信號輸入plc的開關量模塊,由cpu獲取經運算而得到加水計算依據, cpu運算結果直接由plc的開關量輸出控制粗中細加水電磁閥的開啟組合,而得到不同的加水量。
  19. 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。
  20. Introduction : put an electronic signal examiner onto the water meter, and transfer the reading of the water meter to outdoor shower, in order to show the add number and present ? month number, which can reach the purpose of outdoor copying

    在戶內水表上加裝信號檢拾器,把表盤讀數傳送到戶外分別顯示累計數和當月數,實現戶外抄表。
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