電位檢測器 的英文怎麼說
中文拼音 [diànwèijiǎncèqì]
電位檢測器
英文
electricity potential detector- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 檢 : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 檢測器 : detector
- 檢測 : check; detection; test; gauging; detecting; sensing; [工業] checkout; measuring
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The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested
在理論分析的基礎上,提出了以下的實用技術: 1 )用譜分析方法從截獲的信息中自動提取同步信息; 2 )用積分投影、微分定位的方法進行相位檢測,實現可靠的鎖相和電子穩像; 3 )將電子穩像技術用於重加濾波和梳狀濾波的濾波方法,改進了濾波效果; 4 )通過檢測圖像信息熵實現圖像採集參數的自動調整,改進了圖像採集的質量; 5 )設計了用於儀器定標的標準測試圖,可以對泄漏信息進行定量檢測。A continuously variable potentiometer is connected into the detector bridge network.
在檢測器橋路中,接有可調電位器。The signal accesses the microprocessor and undergoes internal a / d transformation, data procession and filtration, then directly drives the digital luminescence tubes to display the concentration of the detected methane and send out an acousto - optic alarm and show low potential detection
此信號進入微處理器經過內部a / d轉換、數據處理、濾波之後直接驅動發光數碼管顯示出被測甲烷的濃度,並給出聲光報警、低電位檢測等。At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。One forward optical receiver module takes one slot, after power double - amplification inside, send out 1 way rf signal 104dbuv and 1 way level checking signal, or two - distribution output
一個正向光接收器模塊佔一個槽位,內置功率倍增放大,輸出1路射頻信號104dbuv和1路電平檢測口,或二分配輸出The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement
偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流,兩者產生的偏置磁場在控制線圈產生感應信號,檢測電路檢測控制線圈端電壓並提取含有轉子位移信息的電壓信號,該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號,再由pid控制器轉換為轉子位移的控制信號,最後控制信號輸入功放電路產生控制電流,實現閉環控制。The rotor position detector also gives speed signal for adjusting phase current, which is often realized by pwm chopper
另外,轉子位置檢測器還提供轉速信號給pwm斬波器,以調節電機的轉速。Systein mode1 ing, s imulat i11g and control l ing are studied in thi s papel -, based on tl1e stato ' s " 863 " project " 1 ' he equ ipll1ent used by sl1ol1gi. i pe t l ' o 1 ] : i e 1 ( l f ' oi " i ) ( " t ( 1 ( 1 t i i1g ilnd i { eijil j l
本文以國家「 863 」項目「勝利油田淺海海底管線電纜檢測與維修裝置」為研究對象,圍繞著特種潛器的對線控位技術,對其系統建模、模擬及控制等技術進行了研究。Some of the important problems, such as low - power detecting and watch - dog circuit, daul - wire converter, communication between microcontroller and pc are described in detail
針對其中幾個重要部分,如系統低電位檢測及看門狗電路、雙線制電流變送器的設計、單片機與上位pc機的通信等進行了較為詳細的論述。A new type of thin film laps based on chalcogenide glass - sensitive materials was developed by means of silicon planar technology and thermal evaporation technique. the physical layer structure and the stoichiometric composition of the deposited glass materials have been investigated using transmission electron microscopy. depending on the conventional " two - electrodes " measuring set - up, these novel thin film sensors possess certain sensitivity towards heavy metals of seawater
在laps的原理和應用基礎上,我們還進行了基於laps (光尋址電位傳感器)的微結構重金屬離子傳感器的研究:包括laps的結構優化設計、 laps器件的微結構加工和工藝、針對被檢測的重金屬離子,採用硫屬玻璃等固態敏感材料,完成敏感薄膜分子合成的優化設計及與laps的界面結合的特性研究等,並將測量結果和體傳感器進行比較分析。The system selects micro control unit and programmable logic device as the core of controller, gsm terminal module as communication device, gps as position equipment, a / d sampling for voltage and current checking, solar battery as power supply, switch dc - dc as power voltage conversion, and so on
以微處理單元與可編程邏輯器件為核心搭建系統控制器,選擇gsm無線通信模塊實現系統通信,全球定位系統實現水標燈定位, a d采樣與轉換實現電壓電流檢測,太陽能電池為系統供電,開關型dc - dc實現電源電壓轉換。Abstract : a new type of the detetor of rotor position is proposed in the paper. comparing with the detector of rotor position ever used before, the difference is that this type of detector has got rid of the small wound. induction detecting motor which coaxially connects with the main motor and the complicated machinery connecting parts related to the motor
文摘:介紹了一種新型的轉子位置檢測器,它與已往的位置檢測器相比較,不同之處在於去掉了與主電機同軸相連的小型繞線式感應電動機以及與其相關的復雜的機械連接部件The signal generator of sweep frequency is based on dds device ad9954, the signal measuring circuit is based on gain and phase detector ad8302, the real - time control and deal circuit is based on tms320vc5409, and the periphery interface circuit is based on at89s52. the system can generate sweep frequency signal with the frequency range from 100khz to 150mhz, and with the power range from - 45dbm to + 18dbm. it can measure the gain and phase of the network, display the measure data by liquid crystal displayed and print it by the printer
該測試儀以dds晶元ad9954為核心構成掃頻信號源電路,以增益相位檢測器ad8302為核心構成檢測電路,以dsp晶元tms320vc5409為核心構成控制與運算電路,以及以at89s52為核心構成外圍介面電路。該測試儀能產生頻率范圍達100k ~ 100mhz ,功率范圍為- 45dbm ~ + 18dbm的掃頻信號,能對被測網路的頻率特性進行測量,並留有豐富的外圍介面,可以將測量數據繪圖通過lcd顯示或者由印表機列印輸出。In the paper, the design of the real - time test system for crystal parameters is presented. the signal generator of sweep frequency based on dds device ad9852, the signal measuring circuit based on gain and phase detector ad8302, and the real - time control and deal circuit based on tms320vc5416 and the design of high - speed printed digital & analog circuit board are discussed in details
本文闡述了晶振實時測量系統的設計,介紹了以dds晶元ad9852為核心的掃頻信號源電路,以增益相位檢測器ad8302為核心的信號檢測電路,以dsp晶元tms320vc5416為核心的實時控制與運算電路,以及高速數模混合電路板的設計方法。The traditional level measuring methods can n ' t meet our demand because the subjective investigated is in such a poor systemic condition that the temperature is a little high and there ' s so many mill dust and steam there. in this article we perform systemic discuss and research against the dynamic level measuring method under special working condition on the basis of analyzing kinds of level measuring technique in and abroad. first we establish the pressure distribution mathematic model in storage bin and then deduce the mathematic relation between level height and the uniform stress on the bottom of the bin and designed a resistance compressive stress sensor used for the special condition and put forward a resoivement according to its zero excursion existing in practical use
由於本研究系統被測對象環境溫度較高且潮濕,同時料倉中有大量粉塵及蒸汽,因此傳統的料位檢測方法不能滿足本測試要求。本文在分析國內外各種物位檢測技術的基礎上,針對特殊工況下動態物料高度的檢測進行了系統的探討與研究。首先建立了料倉中的壓力分佈數學模型,推導出料位高度與倉底均布壓力間的數學關系式,並據此設計了中溫電阻應變式壓力傳感器,同時對它在實際應用中存在的零點漂移等問題提出了改進措施,提高了傳感器性能,解決了上述特殊工況下動態物料檢測的技術難題。We also select the microchip pic16f877 made by microchip co. ltd as a control chip to realize micro - computer control. this system use three separate channel to find out the " across the zero point " of each back - emf. the program use digital filter to wipe off the pwm interferences and the commutating interferences
系統中採用三個獨立通道分別檢測無刷電機三相繞組的反電勢的各自過零點,同時在軟體中採用數字濾波以消除其它噪聲干擾,使檢測電路檢測到的反電勢過零點更加準確可靠,實現了對五位置傳感器直流無刷電機的數字控制。Xu lei ( physical electronics ) directed by pro. han jinghong the light - addressable potentiometric sensor ( laps ) is a novel kind of field - effect sensor, which has great ability in light addressing and multi - parameter detection
光尋址電位傳感器( lightaddressablepotentiometricsensor , laps )是一種新型的具有強大光尋址能力和多參數檢測能力的場效應傳感器。Permanent magnet bushless motor sensorless control system based on dsp
基於數字信號處理器永磁無刷電機無位置檢測器控制系統設計The actuators are nozzle vetor controller, rotational measuring valve controller and vane controller. the smart actuators are capable of data collection, self - calibration, power - on self - test and local close - loop control, etc. a simplified mathematical model for the vector nozzle is constructed, and the relationship between the state of vector nozzle and actuator cylinders ’ position is obtained. the effect of the position controller is tested
實現了智能執行機構的數據採集、自校準、上電自檢測和局部閉環控制等功能,建立了矢量噴口實驗件的簡化數學模型,推導了矢量噴口狀態和作動筒位置之間的關系,並在含實物平臺上對位置控制器的效果進行了實驗驗證。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