接地測試計 的英文怎麼說
中文拼音 [jiēdecèshìjì]
接地測試計
英文
ground test meter- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 試 : 名詞(古代占卜用的器具) astrolabe
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 接地 : [電學] landing; body; ground connection; electrical grounding; grounding; earthing; earth; ground...
- 測試 : test; testing; checkout; measurement
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A new method for measuring the vibration of shadow mask without touch by detecting the light density with reflection type optical fiber sensor is presented. the measurement system based on the new method is designed to make the vibration measurement easier working, faster calculating, and get more precise results. it is an important measurement and analysis tool to improve the performance of shadow mask and display quality of cpt
本文提出了基於單光纖光強度反射法的非接觸式微振動測量系統的原理,並設計製造了該測試系統,探索出了簡單方便可靠的測量方法,能夠準確客觀地反映蔭罩振動的各項參數(各振動模的振動頻率、振幅、衰減時間) ,實現了測試裝置的簡便化和測試過程的自動化,為cpt張緊式蔭罩系統的性能改進與顯示質量的提高提供了有效的測試分析手段。On the other hand, boundary - scan technique intelligent fault diagnostic method was applied to practice. for most digital system, devices with boundary - scan architecture are broadly used. only using four line or five line to connect pc parallel port with cut tap ( test access port ), all the ptvs can be loaded to cut and all homologous prvs can be taken back to intelligent fault diagnosis system
至於本文採用邊界掃描測試故障診斷技術,是考慮到本系統的通用性和簡潔性,因為對于大多數數字系統而言,具有邊界掃描結構的器件己廣泛應用,本文只需4條或5條信號線就能將pc機和被測邊界掃描電路連接起來,由此極大地簡化了智能故障診斷系統中為實現ptvs加載和prvs獲取而專門設計的介面板電路。The rule of loads and settlement is concluded from numbers of settlement observation points ’ data. and in actual construction, this rule could be used to prevent immediate settlement under the accelerated load, and also, the serious result of the soil destruction could be avoided. at last, a proper method of settlement computing is derived from the identified rules, which can be used to guide the practical construction work, of course, meeting the compulsory standards of the settlement control well
採用逆作法施工,現實地解決了樁、土與筏板接觸面的變形協調關系;通過對樁、土受荷過程的實際測試,得出了樁、土分擔荷載比例和變化過程,從而為樁、土的荷載計算提供實際依據;從設置的大量沉降觀測點中所得到的沉降資料,得出荷載、沉降變化規律,從而指導在實際施工中,防止加載過快而導致速沉,避免由此帶來的土體破壞的嚴重後果;通過沉降規律分析,得出了適用於軟土地區的樁基沉降計算方法,用於指導實際施工,以滿足沉降控制的強制性標準。The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed
本人在張大方教授等人提出的基於集團的系統級故障診斷的理論基礎上,重新構建了系統級故障診斷的理論基礎,定義了系統級故障診斷測試模型的三值表示;改進了系統級故障診斷的矩陣方法,重新定義了測試矩陣、鄰接矩陣、結點對、結點對的相連運算、極大準集團和斜加矩陣,由此能直觀、簡便地生成集團和極大獨立點集;補充和完善了各類測試模型的系統級故障診斷的集團演算法,通過定義集團測試邊和絕對故障集,簡化了集團診斷圖,由此能較易地找到所有的相容故障模式,即使不滿足t -可診斷性,大大減少了系統級故障診斷的復雜度,尤其是對強t -可診斷系統;首次分析探討了各類測試模型的方程解決,由此從另一角度能系統地、高效率地求出所有的相容故障模式( cfp ) :擴充了系統級故障診斷模擬系統的功能,快速、直觀和隨機地模擬實驗運行環境,進行清晰和正確的診斷,同時提供大量的實驗數據用於理論研究,優化演算法和設計。Electronic co., ltd., a private hi - tech company, professionally makes and markets electronic instruments and gauges, such as digital torque tester, bottle cap torque tester, voltage resistance tester, grounding resistance tester, leakage current tester, insulation resistance tester and etc. lankers quality instruments and gauges are characterized by well - designed structure, high reliability and stability and outstanding performance and are well sold to users in the industries of home appliances, motorcycle, automobile, motor and pharmaceutical
市藍光電子有限公司是一家集科研生產銷售於一體的高科技民營企業,公司擁有雄厚的技術實力,以卓越的設計能力,完備的工藝控制和完善可靠的檢測手段,向用戶提供高性價比的電子測量儀器。主要產品有:數字扭力測試儀系列瓶蓋扭力測試儀系列耐電壓測試儀,接地電阻測試儀,泄漏電流測試儀,絕緣電阻測試儀等安規測試儀系列。Lewis relationship has been suggested to evaluate the surface mass transfer coefficient using the average surface convective transfer coefficient. in addition, a practical analytic technique for testing the surface mass transfer coefficient is proposed and the values of he surface mass transfer coefficient have been given for the particular desorption and absorption test and validated against lewis relationship results. indoor temperature and humidity evaluation equations of adobe buildings considering the moisture absorption and desorption by interior materials have been proposed based on the analysis of the indoor dynamic thermal and moisture process
通過理論解析和實驗測試定量地研究了生土建築圍護結構表面吸放濕效應,首次提出了以空氣濕度( kg / kg )為驅動勢差的圍護結構表面吸放濕量計算公式,該公式較適用於工程計算,從而為使建築濕環境研究成果逐步應用到建築工程實踐中奠定了理論基礎和提供了簡便演算法;通過對國內外關于表面質交換系數確定方法的研究成果的分析,提出用lewis關系計算生土建築圍護結構表面質交換系數;在實驗室環境下,對生土建築圍護結構表面質交換系數進行了測試方法研究,測試結果和利用lewis關系得到的數值較接近。Pwsc endorsed a commitment to upgrade 227ds to category a at an estimated cost of 73. 6 million in money - of - the - day prices for testing out biological aerated filters technology and, if necessary, other well - proven compact sewage treatment technologies ; assessing the environmental and engineering feasibility of four options which an international review panel had recommended for the future development of hats and developing a contractual framework for option implementation
工務小組委員會通過一項承擔額,直接把227ds號工程計劃列為甲級工程項目按付款當日價格計算,估計費用為7 , 360萬元,用以測試生物曝氣濾池技術,並在有需要時,測試其他"設備佔地較少"並證實有成效的污水處理技術評估國際專家小組就凈化海港計劃提出的4個建議發展方案在環境和工程上是否可行以及訂立實施方案的合約安排。Pwsc endorsed a commitment to upgrade 227ds to category a at an estimated cost of $ 73. 6 million in money - of - the - day prices for testing out biological aerated filters technology and, if necessary, other well - proven compact sewage treatment technologies ; assessing the environmental and engineering feasibility of four options which an international review panel had recommended for the future development of hats and developing a contractual framework for option implementation
工務小組委員會通過一項承擔額,直接把227ds號工程計劃列為甲級工程項目;按付款當日價格計算,估計費用為7 , 360萬元,用以測試生物曝氣濾池技術,並在有需要時,測試其他"設備佔地較少"並證實有成效的污水處理技術;評估國際專家小組就凈化海港計劃提出的4個建議發展方案在環境和工程上是否可行;以及訂立實施方案的合約安排。Shangyu power capacitor co., ltd is an appointed manufactory for power capacitor by ministry of mechanical building, and is also one of the first batch of recommendation products manufactory list for the construction and reform of city countryside powergrid in china. spcc is located in shangyu city of advantaged yangtze river delta with ningbo adjoined in the east, hangzhou in the west, wenzhou in the south and hangzhou bay in the north. spcc has a strong engineer team products with logical designing and advanced craft, scientific managerial approach and complete testing system
公司位於中國長三角東南翼的上虞市。東鄰寧波西毗杭州南接溫州北瀕杭州灣,地理位置得天獨厚。公司技術力量雄厚,產品設計合理工藝先進管理科學測試手段全完善關鍵工序的生產過程在恆溫恆濕的超潔凈室內進行真空乾燥浸漬全過程的真空度及溫度由計算機自動控制。The sensitivity analysis of design parameter of subgrade and pavement are used to confirmed the degree of impact on working state with change of the design parameter, it is the rational and economy that the range of design parameter are proposed. structure combination design is used to proposed basic structure of qinhuangdao ' s asphalt pavement in view of local natural environment, build material, traffic classification and soil grades. this paper puts forwards suiting 39 kinds of typical structure of qinhuangdao ' s asphalt pavement according to the actual structure, experimental section long - term observation, extensive surveys, structure theory ' s analysis and calculation
在公路等級、交通量等級、土基等級及路面材料參數研究的基礎上進行路基路面設計參數敏感性分析,用以確定設計參數的變化對路基路面工作狀態的影響程度,並據此給出了經濟合理的路基路面設計參數范圍;結合本地自然環境、築路材料、交通狀況及土質情況進行路面結構組合設計,提出了適宜於秦皇島地區公路瀝青路面的基本結構;最後根據實際路面結構、試驗路的長期觀測、大量調查與路面結構理論分析計算相結合,提出並推薦適合秦皇島地區的39種瀝青路面典型結構,這是本課題的主要宗旨,其研究成果將直接指導設計人員的工作,並避免隨意性和盲目性,對加快秦皇島地區公路交通事業的發展將具有十分重要的意義,對其他地區也有一定的指導意義。The minimum requirement for sensitivity shall be such that a succession of not less than 20 breakdowns of the spark gap shall cause the fault indicator to register neither more nor less than one cunt per breakdown when the spark gap is open and is of the length shown above, with the current limiting impedance in series with the gap
在最底靈敏度測試的時候,應先接入上述要求的人工擊穿裝置,啟動人工擊穿裝置,使金屬板與金屬針間的火花間隙被連續擊穿20次,要求火花試驗機的擊穿計數器應記錄20次,對每次擊穿都應準確無誤地計數,不應多計也不應少計。The minimum requirement for sensitivity shall be such that a succession of not less than 20 breakdowns of the spark gap shall cause the fault indicator to register neither more nor less than one count per breakdown when the spark gap is open and of the length shown above, with the current limiting impedance in series with the gap
在最底靈敏度測試的時候,應先接入上述要求的人工擊穿裝置, ,啟動人工擊穿裝置,使金屬板與金屬針間的火花間隙被連續擊穿20次,要求火花試驗機的擊穿計數器應記錄20次,對每次擊穿都應準確無誤地計數,不應多計也不應少計。The task in the paper comprises two parts. the software design procedure works as follow, program the drivers for module on pc with cvi, generate the corresponding ddl and then edit the test serial and invoke the ddl by designing soft panel with vc + + 6. 0. thus facilitate users to control module to conduct high speed data test. the hardware design procedure works as follow, design vxi message based interface circuit and plesio - fdc circuit with fast data transport function on xc2vp30, a virtex - ii pro series fpga chip designed by xilinx company which integrates power - pc processor
筆者負責的工作包括軟體設計和硬體設計兩部分:軟體設計是用cvi工具編寫模塊在pc機上的驅動程序,生成動態連接庫,再用visualc + + 6 . 0設計軟面板,實現測試矢量的編輯和動態連接庫的調用,讓用戶很方便地控制模塊進行高速數據測試;硬體設計是在xilinx公司的一片集成了power - pc處理器的virtex - iipro系列fpga晶元xc2vp30上完成vxi總線的消息基介面電路設計和具有快速數據傳送功能的準fdc電路[ 1 ] [ 2 ]設計。Based on the overview of former researches on the bond - slip performance between reinforced bar and concrete in rc structures as well as between steel shape and concrete in src structures, a new type of slip transfer named " the embedded electronic steel - concrete slip transfer " ( patent authorization no. zl - 02 - 2 - 61881. 3 ) was manufactured, by which the interior slip between the steel shape and concrete along the embedment length could be directly measured, the most difficult problem of experimental research was consequently solved
在前期試驗方法研究中,設計發明了一種實用新型的內置式鋼-混凝土電子滑移傳感器(專利授權號: zl - 02 - 2 - 61883 . 3 ) ,基本上實現了型鋼與混凝土連接面上內部滑移的測量,解決了型鋼混凝土粘結滑移試驗研究的一個關鍵難題;採用組合h型鋼的方法測量了型鋼翼緣、型鋼腹板應變,較好地實現了型鋼混凝土粘結應力的測試。On the basis of the loess distribution, engineering geology and specific properties of road use in gansu province, this paper divides traffic volume grade according to the conditions of transportation of all high - grade highways which are being built and have already finished. besides, it analyses the relativity of three different test methods, establishes the related relations, and divides their strength grade after measuring rebound module of subgrade of the representative high - grade highways in gansu loess area. furthermore, it recommends the common semi - rigid and asphalt concrete design parameters by comparing the experiment in doors to outdoors, and draws up the optimized design program aga - lq based on advanced genetic algorithm and solves the non - liner optimization design model of asphalt pavement construction by computer
本文基於甘肅黃土分佈、工程地質及路用特性研究,對該黃土地區在建和已建的全部高等級公路交通狀況進行了詳細調查和分析,劃分了交通量等級;對甘肅黃土地區代表性的高等級公路,利用三種不同方法實測了土基回彈模量,分析了各測試方法的相關性,建立了相關關系,對土基回彈模量進行了強度等級劃分;通過室內外試驗比較,推薦了常用的半剛性材料和瀝青混凝土設計參數值;利用計算機編制了基於改進遺傳演算法的優化設計程序aga ? lq ,並成功求解了瀝青路面結構非線性優化設計模型;最後經計算提出了甘肅黃土地區高等級公路瀝青路面典型結構,並編制了查詢圖庫軟體cx ? lq ,供設計單位直接選用,科學簡便地解決了甘肅黃土地區的路面設計問題。Abstract : some ways of antiinterference about microcomputer test system for motor is presented, such as electricity supply, shield, ground connection, information connection, information passageway in hardware and the fault - tolerant techniques and digital filtering methods in system software. so the system has stable performance and safe work to strengthen antiinterference ability
文摘:對電機微機測試系統提出幾種抗干擾措施.通過對供電、屏蔽與接地及信息通道等硬體的抗干擾設計和在系統軟體中採用數字濾波及容錯技術,使原系統性能穩定,運行安全,以增強其抗干擾能力1 ) realization of software packet embedded in m - es and md - is respectively to accomplish main function of mdlp, including assignment of tei ( temporary equipment identifier ), establishment of multiple frame operation, framing, flow control and error - free transmission of packets, is detailed. 2 ) a test model is established to evaluate the robustness and stability of mdlp and verify the validity of software packets. 3 ) according to the design of radio modem construction used in m - es, the modules of interface between data terminal equipment and radio modem are achieved to enable transmission of short message and continuous pseudo - random bit stream via rs232 uart
本文首先概述了蜂窩數字分組數據網的結構和空中協議,詳細分析了移動數據鏈路協議,並在此基礎上,重點敘述了以下方面的工作: 1 )設計並完成了分別應用於m - es和md - is端無線控制器的兩套程序實現數據鏈路層的主要功能,包括分配臨時設備號、建立鏈路、組幀和面向連接的服務保證分組正確無誤地傳輸,並進行適當的流控; 2 )建立測試模型測試移動數據鏈路協議的可靠性和穩定性,證明了程序包的效用; 3 )根據cdpd系統無線數據機的軟硬體總體設計方案,完成了介面模塊,實現了rs232異步串口通信,使用戶可以根據需要發送短消息或連續的偽隨機比特流; 4 )在tms320c54x的軟體、硬體模擬平臺上,建立了cdpd試驗模型,實現了cdpd系統的mdlp基本功能。According to the prior achievements, based on pile deformation test data, it puts forward a method that combined the mindlin ' s solution with boussinesq ' s solution to calculate the superimposed stress of djm composite ground, and then uses the superimposed stress to calculate the settlement by layer - wise summation method. by a nonlinear elastic and viscoelastic fem model, based on in - site test data, the back - analysis method of the direct optimal multiple parameters are adopted to calculate the road embankment settlement of typical project
在前人的基礎上,結合樁身應變測試結果,提出了聯合mindlin解和boussinesq解求解攪拌樁復合地基的附加應力的方法,根據計算出來的附加應力再用分層總和法計算攪拌樁復合地基的沉降;採用非線性和粘彈性有限元模型,根據現場實測資料,運用直接優化多參數反演分析方法,對典型工程實例進行了沉降計算對比分析。Design a udp client terminal to realize the communications between the ncex1. 0 test board and several computers. link intelligent instrument to ncex1. 0 through rs232. design client program to control intelligent instrument and gain data from intelligent instrument. the construction of ethernet - based automated measurement system : ethernet links the ncex1. 0 to the hub in lan
基於以太網的自動測試系統的組建:智能儀器的串口接到電路板的串口,電路板的以太網口接到局域網的hub上,一個電路板接一臺儀器,多個電路板就接多臺儀器,把多臺儀器連上以太網,設計相應的主控機程序來控制多臺儀器以及獲取儀器的讀數,並進行數據處理和顯示,優化測試系統的性能,並成功地做了一系列幅頻特性的自動測試實驗。分享友人