conversion test 中文意思是什麼

conversion test 解釋
換向試驗
  • conversion : n 1 變換,轉化,轉換;換算,換位。2 (意見、信仰等的)改變〈特指改信基督教〉;(車身,設備等的)...
  • test : n 1 檢驗,檢查;考查;測驗;考試;考驗。2 檢驗用品;試金石;【化學】試藥;(判斷的)標準。3 【化...
  1. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求,採用單片機實現了混合式直流直線步進電動機的開環數字控制;利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定;利用細分控制技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全面測試。
  2. Colour filter glass test methods colour temperature conversion ability

    濾光玻璃測試方法色溫變換能力
  3. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統測試。
  4. The synchro / resolver signal transmit & receive card is the most important and difficult part which used special a / d and d / a ( axis angle converter ) to make conversion between the analog singnals related to angle and its digital counterpart, thus solve the issue of stimulation and test of synchro / resolver signal , improved the test precision and automatic degree

    其中同步器卡的開發是難點和重點,它採用特殊的數/模、模/數轉換器件?軸角轉換器,實現了角位-數字信號相互間的直接轉換,解決了隨動系統性能檢測中三相同步器信號激勵與同步器信號/分解器信號數字化檢測問題,有效提高了系統的自動化程度和檢測精度。
  5. Test method for performance testing of wind energy conversion systems

    風能轉換系統性能的測試方法
  6. Corr corrosion - resistant testing method of the metal deposits and conversion coatings for the light industrial products. corrodkote test

    輕工產品金屬鍍層和化學處理層的耐腐蝕試驗方法.腐蝕膏試驗
  7. 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。
  8. By means of laboratory and field experimentation of typical semi - rigid base materials, the relationships among laboratory experimental values, field maintain values, field core values and construction criteria are put forward. and the relationships between different test methods are established. using time - temperature conversion principle, it processes the intensity assessment of field cores, then offers the method of determining the test deflection of pavement surface

    通過典型半剛性基層材料的室內外試驗,研究主要設計參數的室內試驗值、野外養生值、現場取芯值及施工指標間的關系,建立了不同試驗方法間的相關關系,運用時溫換演算法則,對現場芯樣進行強度評定,並提出了路表彎沉檢測標準的確定方法。
  9. The design process consisted of computer design by circuit simulation software integrate with electromagnetic simulation software, fabrication of microstrip bpf 、 lpf 、 the match circuits, cavity and test. when rf frequency is 91 ~ 97ghz, lo frequency is 47ghz, power is 10 dbm. the best conversion loss of the 2 and 4 sub - harmonic mixer is 13. 5 db and 23. 5db which is shown in the test

    實測表明,在本振為47ghz ,功率10dbm ,測試射頻帶寬為91ghz 97ghz時,二次與四次分諧波混頻器變頻損耗最優處分別為12 . 7db和23db 。最後對實驗結果進行分析並提出改進措施。
  10. Anti - color change corrosion testing method of the metal deposits and conversion coatings of the light industrial products. hydrogen sulfide test

    輕工產品金屬鍍層和化學處理層的抗變色腐蝕試驗方法.硫化氫試驗法
  11. Design about frequency conversion timing system of hydraulic support test pump station

    液壓支柱試驗泵站變頻調速系統設計
  12. A linear relation can be found between response value of ultraviolet absorption detector, fluorescence detector, electrochemical detector and refractive index detector and quality of the object under test ; however, relation between response value of evaporative light - scattering detector and quality of the object under test is usually not a linear one, therefore, mathematical conversion of response value should be made before making calculation when necessary

    紫外、熒光、電化學和示差折光檢測器的響應值與待測物的質量呈線性關系,但蒸發光散射檢測器響應值與待測物的質量通常並不呈線性關系,必要時需對響應值進行數學轉換后進行計算。
  13. This category includes all kinds of transmission cable, table socket, conversion tool and devices for test.

    綜合類產品包括協議轉換器, vga va信號混合切換器,傳輸線纜,桌插,轉接頭,設備的插拔工具及檢測工具等。 .
  14. A recent test with layers fed corn - based diets demonstrated a significant reduction of feed consumption resulting in a noteworthy decrease of feed conversion by 5. 8 %

    最近對飼喂玉米基礎日糧的蛋雞試驗表明,飼料消耗量的顯著減少,飼料轉化率改善5 . 8 % 。
  15. Relative to euro, euro emission regulations add the test of emission in 40s after cold - start. in order to meet the more strict emission regulations, the key question is how to make the three - way catalytic converter to light - off and increase the conversion efficiency. so it is necessary to do a numerical simulation on light - off characteristic and conversion efficiency of three - way catalytic converter in cold - start stage

    歐排放標準相對于歐排放標準增加了冷起動頭40s的有害排放物測試,為滿足更嚴格的排放法規,如何使三效催化轉化器盡快起燃,提高對排氣的轉化效率是關鍵問題,因此對三效催化轉化器在發動機冷起動階段的起燃特性和轉化效率進行數值模擬研究是大勢所趨。
  16. B ) the concept of ratio of conversion ; c ) effect of temperature and residence time on tar conversion ratio ; increasing the temperature and residence time is beneficial to tar cracking, and the effect is not evidence when t > 900c and > 1. 0s d ) effect of cracking temperature on the tar conversion ratio with sic ; e ) effect of different catalyst on the tar conversion ratio ; some catalyst was test in the experimental system and dolomite is a most promising one

    研究了生物質焦油含量隨熱解溫度和生物質原料的變化趨勢,提出了生物質焦油裂解率的概念、探討了不同條件(熱解溫度、停留時間)下熱裂解的效果和不同催化劑,不同反應條件下對焦油催化裂解效果的影響,催化劑在使用過程中由於積碳、中毒等原因會使得活性喪失,本文針對催化劑活性的喪失以及再生進行丁試驗研究和理論分析。
  17. Pilot schemes are needed to test the feasibility of loft conversion in hong kong

    應在進行試辦計劃,以測試香港改建家居工作間的可行性。
  18. The conversion of test status, testing and control, data acquisition and processing, displaying and saving are all carried by computer

    試驗狀態切換、控制、測試、數據採集和處理、顯示保存均採用計算機完成,可實時處理多路信號,大大提高了試驗的自動化程度、效率和測量的準確性。
  19. Job description : fluids drawings and bill of material conversion ; technical support of the shop assembly and test of fluids equipment ; field service of fluids system ; engineering of fluids piping and equipment

    職責說明:流體系統、配管圖紙轉化;編制加工、采購件清單;車間流體設備安裝,調試技術指導;現場技術服務;流體配管及系統設計。
  20. Chromate conversion coatings on zinc or cadmium electrodeposits. specifications and test methods

    鋅或鎘電解沉積物的鉻酸鹽轉化鍍層.規范和試驗方法
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