sampling device 中文意思是什麼

sampling device 解釋
采樣器
  • sampling : n. 1. 取樣(品),取標(本)〈指行動或程序〉。2. 樣品,標本。3. 剽竊拼湊歌曲。
  • device : n. 1. 設計,計劃;方法,手段。2. 〈pl. 〉意志,慾望。3. 謀略,策略,詭計。4. 器具,器械,設備,裝置。5. 圖案,圖樣;花樣;紋章;標記,商標;(紋章上的)題銘。
  1. Workplace air. x - ray determination of the concentration of crystalline silica alveolate deposit. sampling by means of rotary cup device

    工作場所空氣. x射線測定結晶二氧化硅蜂窩狀沉積物的濃度.用轉動杯裝置取樣
  2. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  3. The company is specialized in the production of small diameter valve suitable for electrical station as well as sampling device and automatic feeding device for firepower electric plant, stop valve for high temperature and high pressure condition, throttle valve for high temperature and high pressure condition, counter - pressure high efficiency cooler, bi - screw reducer, fine adjustment valve together with pipe break, stop valve, diaphragm valve, plug - in speedy connector, ball valve and various special valves in addition to meter connector

    公司主要專業生產小口徑電站閥門及火力發電廠的爐內化學檢測集中取樣裝置、爐內自動加藥裝置,高溫高壓截止閥,高溫高壓限流閥,反壓式高效冷卻器,雙螺桿減壓閥、微調閥等取樣裝置件和石油化工行業使用的管道閘閥,截止閥,隔膜閥,承插式快速接頭,球閥及各種特殊閥門,儀表接頭等。
  4. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題,本文首先綜述了國內外關于焊接鋼吊車樑上部區域疲勞裂縫的研究現狀;其次對整個吊車梁系統的外觀情況(包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃軌等)進行了現場調查,抽樣實測了梁的應力、化學成分、變形及軌道偏移等,根據實測結果,對吊車梁系統的承載能力進行了驗算;然後,根據現場調查及計算結果,探討了焊接鋼吊車樑上部區域疲勞破壞的機理,分析了重級工作制鋼吊車梁出現疲勞裂縫的原因,制定了初軋廠精整車間破損鋼吊車梁的加固方案;最後就重級工作制鋼吊車樑上部區域出現疲勞裂縫的修復與加固方案提出了一些意見和建議。
  5. Divider, coaxial line, trigger, signal processing, data acquisition, acquisition control and waveform analysis software is included in the device. when the device operate in the system, overvoltage is transferred to coaxial line by the divider. if the overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file

    當裝置在線運行時,系統中出現的過電壓信號通過分壓器傳遞到同軸電纜,通過觸發電路判斷,如果大於預先設定的值則啟動採集卡的同時采樣,采樣結束后,計算機把數據存盤並以文件格式保存,管理人員隨時通過調用專用軟體調取文件進行各種參數分析。
  6. Overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file. in the trial measurement, the device shows good performance. simulant trial and actual result indicate that method in the paper acquire approving effect, and the device can be used in the lokv distribution network

    當裝置在線運行時,系統中出現的過電壓信號通過分壓器傳遞到同軸電纜,通過觸發電路判斷,如果大於預先設定的值則啟動採集卡的同時采樣,采樣結束后,計算機把數據存盤並以文件格式保存,管理人員隨時通過調用專用軟體調取文件進行各種參數分析。
  7. For the convenience of testing, sampling software was programmed using vc + + 6. 0 through computer. this software can control the scanning device to move in various ways, and can take real - time data from gauss meter by rs232. now, weak magnetic measurement system has been completed

    又利用vc + + 6 . 0編制了軟體,控制掃描架按照多種方式進行掃描,將高斯計測得的漏磁場數據實時採集到數據庫中,組成了一套可精確定位、自動採集數據的弱磁場測量系統。
  8. This part of work involves several key problems as follows : - 1 ) coupling technology of laser source with the optical fiber ; 2 ) the construction of the sampling device and the selection of relevant parameters ; 3 ) the technical platform for the treatment and modification of fiber / capillary annular column sensing element ; 4 ) the selection of the size or parameters, design, machining and assembly of the sensing instruments ; 5 ) the construction of the multichannel detection system, the collection and processing of the digital signals and the exploiture of relevant software ; and so on

    傳感裝置各部件尺寸或參數的選擇,設計、加工和組裝;一5多通道檢測系統的構造,數字信號的採集及軟體的開發;等等。根據我們的設想,我們研製出了基於通用和快速檢測的裸光纖模式濾光傳感裝置和基於多組分同時選擇性響應的修飾光纖模式濾光色譜傳感裝置。
  9. 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。
  10. The interpolate technology just like a " ruler ", the resolving power of the " ruler " affect that the sampling points are arrayed correctly on time axis, and is determined by the multiple of the double slope integral amplifier. so it is core in the whole project. the project apply the complicated program logical device ( cpld )

    內插技術的應用使得隨機采樣理論能夠得以實現,內插技術相當于測量用的「尺子」 , 「尺子」最小分辨能力決定了最後采樣點重新在時間軸上位置排列的真實可靠程度,這里尺子的最小分辨能力是由雙斜率積分時間擴展器放大倍數決定的,所以說該模擬充放電放大電路在整個方案中是個很關鍵的部分。
  11. Chapter 5 introduces sampling - holding device principle, types and main performance parameters. we discussed the relationship between the sampling and the s - h device. chapter 6 discussed the pre - processing of sampling data including the scale transforming, digital filtering, reducing oddity and eliminating or pick - up tread item as well as smoothing process of the sampling data

    在第6章,對采樣數據的預處理進行討論,包括采樣數據的標度變換、采樣數據的數字濾波、剔除采樣數據中的奇異項、去除或提取采樣數據的趨勢項、采樣數據的平滑處理等數據處理方法。
  12. A project of authentication based on fingerprint feature data is studied : in this project, the first step is to sample the fingerprint of people and extraction its feature data through secugen hamster ( which is a kind of fingerprint sample device ), then embed the fingerprint feature data into the image ( both 256 gray - scale images and 24 bit color images ). during the identification course, match the fingerprint feature data sampling from the secugen hamster with that of picked

    研究了一種基於指紋特徵數據水印演算法的身份識別方案:結合secugen系列指紋儀,將採集的指紋圖像進行特徵提取,最後將指紋特徵信息嵌入到宿主圖像( 256色或24位彩色圖像) 。在識別過程中,將採集的指紋信息和從圖像中提取的指紋特徵信息進行比對,如果比對成功,則可以確認其身份合法,否則,就是非法者。
  13. 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。
  14. Standard test method for determination of residual acetaldehyde in polyethylene terephthalate bottle polymer using an automated static head - space sampling device and a capillary gc with a flame ionization detector

    用自動靜態頂部空間取樣設備和帶火焰電離檢測器的毛細管gc測定聚乙烯對苯二甲酸酯瓶裝聚合物中殘留乙醛的標準試驗方法
  15. Aerosol sampling device

    空氣采樣器
  16. Designing and making the third grain - pests sampling device. the implemental device can sample the grain automatically in the settled dot and the fixed layer, offer equality and invariable shadowless lamp, ensure the grain monolayer passing, obtain clear grain - pests image. it can settle a good foundation for the rear image enhancement and recognition

    設計、製作了第三代糧蟲取樣裝置本工具式裝置能定點、多層自動抽取糧食樣本,提供均勻恆定的無影光照,保證糧食勻速單層通過,並獲取到比較清晰的序列化糧蟲圖像,為后續的圖像處理和識別打下良好的基礎。
  17. Sampling barrel sampling device

    充溢式取樣桶
  18. Yh022 bottom sampling device made of copper or stainless steel

    底部采樣器銅制不銹鋼制
  19. Yh020 sampling device that can be disassembled

    可御式采樣器
  20. This method can be used in the vr environment walkthrough system with relatively complex region, and no special sampling device is required

    該方法可以用於漫遊區域比較復雜的vr場景漫遊系統,而且不需要使用專門的采樣設備。
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