晶體檢流計 的英文怎麼說
中文拼音 [jīngtǐjiǎnliújì]
晶體檢流計
英文
crystal galvanometer- 晶 : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
- 體 : 體構詞成分。
- 檢 : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 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...
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Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter
硬體電路的設計主要分三大部分來實現:激勵源電路部分,由分頻電路和頻率合成電路組成,產生頻率穩定的激勵信號以確保檢測任務的正常進行;傳感器變換電路部分,由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成,主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號,易於后續電路處理;由dsp晶元構成的微處理系統,主要完成檢測系統的數據擬合、顯示及與主機通信等功能。Then the paper analyzes control system of hybrid active power filter, the way of harmonic detecting and the principle of control system, digital low pass filter and the generation of pwm, on the base of which the paper designs a new parallel hybrid active power filter which is controlled by tms320lf2407, and detailedly introduces drive circuit of pwm, sampling circuit of current, voltage adjustment and protection circuit, communication circuit, liquid crystal display circuit
分析了混合型有源濾波器的控制系統、諧波檢測方法及控制原理、數字低通濾波器和pwm信號的產生,在此基礎上設計了一種基於tms320lf2407為控制核心的並聯混合型有源電力濾波器硬體原理圖。並對pwm驅動電路、電流采樣電路、電壓調整、按鍵輸入和保護電路、通信模塊、液晶顯示模塊進行了較詳細的分析說明。Our item choiced msp430f149, a sort of singlechip as controller, designed our hardware electrocircuit to get the pulse wave singnal, and used msp430f149 to continuously search and calculate the peak - peak value of the pulse wave, and compute oxygen saturaction. in our study, in order to hurdle the dirft of baseline caused by the physiological difference of human bodies. we designed one circuit which can automatically regulate of the baseline of signal
本文以msp430f149晶元為控制器,設計硬體電路提取脈搏波信號,連續檢測脈搏波峰?峰值,計算氧飽合度。本課題採用了基線自動調節電路,以克服不同人體生理差異引起的基線漂移;設計了直流截取電路和可控積分放大電路,以滿足臨床連續監測的特殊需要,解決信號飽和問題。The transport stream detector which is used to analyze and detect ts can accomplish the functions of collecting information, analyzing and detecting the errors of ts, displaying of information, and etc. the dissertation discusses a way of hardware implement to detect ts which is a part of design of transport stream detecting based on sopc. it uses fpga to collect and analyze program special information ( psi ) and service information ( si ), to find and store the pid numbers of every program and psi 、 si, and to detect errors of ts
本文詳細介紹了利用硬體方式實現碼流監測的設計方案,它作為整個課題? ?基於sopc的碼流監測設計的硬體結構部分,實現了在fpga晶元內對碼流信息的採集,包括節目專用信息( psi ) 、業務信息( si )的提取和分析,各套節目和psi 、 si表的pid值的查找和存儲,以及對三層碼流檢錯參數的監測。On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully
高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電阻;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed
論文首先分析了目前機車受電弓檢修方式存在的局限並概述了本論文研製的受電弓測試系統的體系架構;第二章對系統內置110v直流控制電源進行了分析和設計,結合試驗對輸出pwm振蕩、輸出電源噪聲大、輸出電壓下跌等現象進行了分析並提出解決措施;第三章論述了步進電機的驅動,結合步進電機微步驅動技術研製了基於上下位單片機組的混合式步進電機智能驅動電路,並在試驗中得以驗證;第四章詳述了液晶驅動及顯示技術,利用一款液晶顯示模塊tlm12864h研製出本系統用液晶顯示電路,設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼;第五章則將以上構建的整個系統應用在機車受電弓的實測中,並對測試解析度進行了分析。In the function decision and structure design, the function and the flow of the wafer pre - alignment system are analyzed, the system architecture is selected and the precision of this system is analyzed, the driving mode and the system structure are fixed, and then the motor and raster are selected. at the same time, the structure of parts is designed on consideration of the request and the function of the vacuum grasping of wafer
在總體方案和機構設計方面,分析了晶圓預對準系統的功能與流程,選定了系統的整體方案,確定了系統各單元的驅動方式和機構形式,完成了驅動和檢測部分的選型,同時充分考慮機構中氣動吸附部分的功能與要求,設計了預對準單元的機構。At last a controller of a 4 - phase 8 / 6 - pole srm was developed based on tms320lf2407 dsp, which makes full use of the abundant resources of dsp, adopts ipm as the power switch and designs a new power topology for a 4 - phase srm. the current feedback circuit, position sensor and fault protection
論文最後實現了四相電機控制器的設計,採用專用的dsp電機控制晶元,充分利用此晶元的資源設計出一種基於智能功率模塊ipm的四相電機的功率驅動電路,並對位置檢測、電流檢測等外圍電路進行了設計,對系統進行了軟體的分析和編程實現。分享友人