磁中介面 的英文怎麼說
中文拼音 [cízhōngjièmiàn]
磁中介面
英文
magnetic median surface-
Chapter two is data sample of system. it will discuss the data conversion theory, 24bit e - a data conversion, mux - channel switch sampling technology, and emc design. among them, we will introduce the principle and application of ads 1251, application of photomos technology in mux - channel switch sampling, and emc design with hardware and software of gas feed controller, which has good performance in reliability
第二章介紹系統的數據採集,該部分包括24bit -采樣原理、多路信號切換採集技術和電磁兼容設計,其中,主要介紹了ads1251晶元的工作原理和應用, photomos技術在多路信號切換采樣中的應用,以及配氣控制器在硬體、軟體等方面所做的電磁兼容設計,通過這些設計使得系統具有很好的穩定性和抗干擾性。I will introduce the part work of my workmates and me about the geomagnetic activities aspect in the safety period of " shenzhou no. 5 " in this paper ? 2
本文在第二章中介紹了作者與中心其他同志在「神舟5號」安全期預報中地磁活動預報方面的部分工作。The applications and developments of the rotor - ambs system in the engineering are showed in recent years. in particularly, we present the results for the studies of nonlinear dynamics in the rotor - ambs system. we also point out the trend of the rotor - ambs system in future and the necessity of the study on the nonlinear dynamics of the rotor - ambs system
本文的研究內容和所獲得的主要結果有以下幾個方面: ( 1 )綜述了磁懸浮研究的歷史,介紹了主動式電磁軸承-轉子系統在工程實際中的應用,主動式電磁軸承的研究現狀,總結了近十年來國內外對電磁軸承-轉子系統非線性動力學的研究進展和取得的成果,指出了電磁軸承發展的趨勢及進行非線性動力學研究的必要性。First, this text introduce fundamental concepts and conditions of development about object oriented finite element, and discussed the way which is essentiality and flexibility in the application of electrical numerical analysis analysis software, and also systemic studied the designing method of object oriented programming
文中首先介紹了面向對象有限元的基本概念和發展概況,討論了這種方法在電磁場數值分析軟體應用中的必要性與可行性,系統研究了面向對象的程序設計方法。The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change
結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化,表現在:鍍液的陰極極化過電位和極化度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強度在能量(超聲波、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method
在本設計中,採用高速的dsp處理器,實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總線技術,組建了裝置主機與多探測器之間的主從式通訊網路,實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機信息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主機及探測器的軟體程序。Design of control angle measure on interface equipment of real - time simulation system for the excitation regulator
實時勵磁模擬系統介面裝置中控制角測量模板的設計We have made a full theoretical analysis of the wave property and the wave parameters of the flap - type wave generator in the towing tank of our school, and confirmed that should make the factor that the performance of the wave generator give play to normally to influence. in allusion to that the old wave generator can not simulate sea wave, upgrade and transform to this system change the control computer system and install additional d / a change card, redesign the wave control interface and transmission means of control signal, give up the disk machine that can not be used, make the wave - making control voltage signal that has translated direct input the wave controller, make wave controller to make waves through servo system
對我校船模水池原有的搖板式造波系統的性能進行了理論分析,針對水池原有造波機系統模擬海浪的不足,對該系統進行升級與改造,更換了主控計算機並加裝d a轉換卡,重新設計了造波控制信號的介面與傳輸方式,捨去了原系統中現已淘汰的磁盤機,使轉換后的造波控制電壓信號直接輸入到造波控制器中,再由造波控制器通過液壓伺服系統驅動造波板進行造波。These are not part of the basicaclentrycache interface contract because they vary depending on the type of caching system used ( eg in - memory vs disk vs cluster vs hybrid )
這不是該介面規定的,因為這些需要根據不採用的不同的緩存系統來決定(緩存在內存中,磁盤中,磁盤簇中或者是混合方案) 。The designs of circuit and electro magnetic compatibility ( emc ) are very important for the high - speed disposal system and the design of high frequency printed circuit is more important. it is described in detail in this article ; for the mixed voltage system, the meet of different voltage chip is very important and it is also described in detail
對于高速處理系統,電路設計和電磁兼容性( emc )的設計很重要,尤其是高頻布線要求更高,本文對此做了比較詳細的介紹;在混合電壓系統中,不同電源電壓器件的介面需進行電壓變換,本文對此也做了詳細的介紹。Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent
本文首先介紹了異步電機的數學模型,在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理,採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹,詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究,包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時,選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量,解決了扇區切換時的矢量突變問題。To rerun setup, use the procedure in " using an emergency repair disk for system repairs " earlier in this appendix, and omit the step where you insert the emergency repair disk in the disk drive
要重新運行安裝程序,請使用本附錄前面的「使用緊急修復磁盤進行系統修復」中介紹的步驟,並跳過將緊急修復磁盤插入磁盤驅動器的步驟。Based on s698 technology, obt - devsys - s698 is one of the serial s698 - mil application development systems including 32 - bit embedded processor with 32 64 - bit fpu 160mhz processing speed sram memory controller flash memory controller uart ps 2 led interrupter controller, etc. the bus interfaces is composed of i2c spi magnetic card interface and ic card interface. obt - devsys - s698 carries on the advantages of s698 serial module such as compact structure and reasonable composition
Obt - devsys - s698是s698系列嵌入式處理器開發板中的一員,其上包括:具有32 64 - bit浮點運算單元的32 - bit嵌入式處理器,主頻160mhz , sram存儲器, flash存儲器具有三路uart介面,一路ps 2介面, led發光二極體控制電路,中斷操作按鈕其外擴總線包括i2c總線介面spi總線介面磁卡介面智能卡介面等。After analyzing the performance of lpg, this paper provided an electronic controlling lpg fuel supply system to fulfill the function of dual fuel on the diesel engine. the system use the philip 87c552 single - chip microprocessor as the cpu of the electronic control unit, with high speed valve as injector. the hardware development was discussed in detail in the paper
本文在對lpg性能進行介紹分析的基礎上,開發了一套電控lpg燃料供給系統,實現了原柴油機的雙燃料運行;系統中的lpg供給採用高速電磁閥,系統控制硬體以飛利浦p87c552單片機為核心,配合合理的輸入輸出介面電路。Geometrical info, topology info and electromagnetic info are required for electromagnetic computation. and allowing for the characteristics of every modeling method, boundary representation as the form of girding is adopted to model the targets. the design pattern of tools and commands is used in graphical user interface design
本文採用了基於半邊數據結構的模型表達方式,在系統的圖形用戶交互( gui )設計中,採用了工具命令( tools commands )的設計模式,提供了多種建模方法和模型輸入輸出介面,具有良好的用戶交互能力,提高電磁計算的應用能力。According to the project of the interfacing experimental apparatus, the hardware circuit of the control system with 89c51 single - chip microcomputer has been designed, which include the circuit from analog signal to digital signals and the circuit from digital signals to analog signals, the drive circuit of the electromagnetism ~ valve and servo - valve, the communication interface circuit between the single - chip microcomputer and pc and so on
對針對接實驗裝置的方案,設計了基於89c51單片機的控制系統硬體電路,其中包括a d轉換電路、 d a轉換電路、伺服閥驅動電路、電磁閥驅動電路、 pc機與單片機之間通訊的介面電路等,並完成了控制系統硬體電路的調試。Sensors are the interface of the studied object and the information system, and also the window of the system to acquire and detect information
傳感器是採集對象與信息系統的介面,是系統感知、獲取與檢測信息的窗口。磁傳感器是傳感器大家族中的一個重要分支。In order to solving engineering problem of the hsmv - gap sensor, this paper investigates the temperature drift, communication interface and fault location technique during the course of assembly and maintenance
圍繞高速磁懸浮列車的間隙傳感器工程化問題,本文主要研究了溫度漂移、通訊介面以及裝配維護過程中遇到的故障定位等技術。The server side of the system consists of a storage subsystem, a storage service, and a login service, a load - balancing service, etc. this paper will introduce the design of the several modules in turn and lastly introduce the design of the interfaces of these modules
個人網路磁盤系統的服務器端由存儲子系統、存儲服務、負載均衡服務、登錄服務等模塊組成。本文將依次介紹該系統中這幾個模塊的設計,最後介紹各模塊之間介面的設計。This paper has given a thorough investigation into the application of bp neural network to gravitational density interface inversion as well as the implementation of wavelet theory in potential field decomposition and, on such a basis, analysed and evaluated the prospect of applying wavelet neural network to the inversion of gravitational and magnetic data
摘要對bp神經網路在重力密度介面反演以及小波分析在位場分離上的應用進行了深人的研究,進而對小波神經網路在重磁資料反演中的應用前景進行了分析、評價。分享友人