at-speed test 中文意思是什麼

at-speed test 解釋
全速度測試
  • at : 1 Air Transport(ation) 2 【電學】 ampere turn 3 antitank 4 Atlantic Time 5 alternative technolo...
  • speed : n 1 快,迅速。2 速率,速度。3 (汽車的)變速器,排擋。4 (膠片,照相紙)感光速度。5 〈古語〉興隆...
  • 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. Examinees can answer at their own speed during this part of the test

    在此部分,考生可依自己的速度答題。
  3. This text summarises several control forms of gushing out oil pump test platform simply, and mainly proposes analog and digital control schemes of close ring adjusting speed, at the same time, gives the principles and implementation methods used in parameters control and measuring, this text introduces the asynchronous electromotor " s control process, in which, fuzzy control arithmetic is used, and the control commands are passed on by means of communication between mcu and frequency converter. there are two parts in this system. one is superior computer that is ordinary pc, the other is hypogynous at89c52. the functions of superior pc are control and display information through screen, and the functions of ats9c52 includes control, collecting, display, treatment, uploading of all parameters

    詳細介紹了應用模糊控制演算法,以變頻器通訊方式進行異步電機調速的控制過程。系統由上位機和下位機兩部分組成。上位機為普通pc機,主要實現系統控制、數據顯示等功能,另外還有數據庫瀏覽、數據列印等功能;下位機以at89c52為核心,負責所有參數的採集、處理、顯示、上傳、控制等。
  4. Test should be proceed under good meteorologic conditions and sea condition, keep the cruise 、 ship speed and main engine revolution of the vessel stable before trial, rudder angle should keep at center position

    試驗應在良好的氣象條件和海況下進行,試驗前,應保持航行、航速以及主機轉速的穩定,試驗期間,舵角應保持在正中位置。
  5. Driving at my own speed - driving test volvo xc90 suv

    90運動休閑車有感
  6. Since the chip has interior sram and it ' s difficult and slow to test sram exteriorly, in chapter four we use the technique of bist in design of testability of sram, which makes it possible to test the memory at normal working speed

    由於片內有sram ,而sram的片外測試比較困難且速度較慢,所以文中第四章採用bist技術對sram進行了可測性設計,完成後可以用正常的工作速度對存儲器進行測試。
  7. Focus on the reality that transient current testing overly relies on the test equipments, professor min yinghua from institute of computing technology of china sicence academy proposed at - speed current testing method ( idda testing ) grounded on transient current testing

    針對瞬態電流測試過于依賴測試設備的現狀,中科院閔應驊教授提出了基於瞬態電流的全速電流測試方法( iddatesting ) 。
  8. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗數據。
  9. The impact tests were carried out at the mid - span, and internal pressures of ompa, 5mpa, lompa and 15mpa were used in addition to the tests with water. the critical energy of perforation and the ballistic speed was measured, and the various types of rupture were identified from the section of the test specimens. force - time curves and internal pressure - time curves were obtained from experiment

    實驗中記錄了沖擊力時程曲線和內壓時程曲線,測量了鋼管軸向和周向橫截面的變形,得到了不同工況下的破壞模態、臨界穿透能量以及彈道極限速度,並找到了臨界穿透能量隨內壓的變化規律。
  10. The surrogate kw and rocket motor separation for the navy ' s theater wide missile defense system are shown at the high speed test track at holloman air force base in new mexico during a test on june 24, 1999

    美國海軍導彈防禦動能彈頭的替代彈頭, 1999年六月24日在美國新墨西哥州和羅曼空軍基地,圖為推動器與彈頭分離。
  11. At the quality supervision monitoring center for oil plants and manufactured products under the ministry of agriculture, li peiwu, director of the center and a research fellow, introduced the monitoring technologies for the quality of aanola, especially the quick tester of top - quality rapes. this tester can test the glucosinolate and erucic acid contents at a fast speed, and it is characterized by a low charge for testing costs

    在農業部油料及製品質量監督監測中心,中心主任李培武研究員向學員介紹了雙低油菜的質量監測技術,並重點介紹了該中心的優質油菜速測儀,該儀器可以快速測定硫甙和芥酸含量,並且具有測試費用低的特點。
  12. Then it explains packet validation mechanism, connection maintaince, and with taking the system platform into consideration, design and implement a improved - syncookie model. at last, we design several performance test cases. the test cases show that the high - speed filter can protect away from the syn flood attack effectively, at the same time it has been much more improved than traditional protect ways on the filtering and processing capacity

    該文首先對國內外拒絕服務攻擊威脅以及研究現狀進行分析描述;然後,從拒絕服務攻擊的方法分類、主要手段、常見的防禦及防範方法分析研究著手,提出了一種採用tcpproxy與待響應ack隊列相結合的能夠對tcp拒絕服務攻擊進行有效過濾的方法,並用這種方法在linux內核中實現了一個高速過濾器,最後進行了相關的性能測試。
  13. In the simulation of close gas test, the location of most possible leakage of pipe is judged according to the changing speed of gas pressure at difference leakage positions

    在閉氣試驗時,可通過不同漏氣點壓力值的變化速度的快慢來判斷最不利管段的位置。
  14. If taking programs in the memory as test stimulus, the course of testing microprocessor with at - speed current testing method can be carried out easily

    若以程序作為測試激勵,用全速電流測試方法檢測微處理器,實驗過程將非常容易實現。
  15. Test method for unwinding force of pressure sensitive adhesive tapes at low speed

    壓敏膠粘帶低速解卷強度測試方法
  16. Standard test method for determining the stopping distance number by initial speed and stopping distance at traffic incident sites

    在交通事故地點通過啟動速度和制動距離測定製動距離數值的標準試驗方法
  17. The results show that, when the compressor continuously runs, the stability of the test bed after using manual valve is better than that of using thermal valve, and it is little affected by the kinds of valves for adjusting cooling water ; and that, when the compressor intermittently runs, the operation stability would be obtained if pneumatic valve is used to adjust cooling water, especially at low speed

    結果表明,壓縮機連續運行時,製冷劑採用手動閥調節后工況的穩定性明顯好於採用熱力膨脹閥時的情況,此時調節冷卻水量用的電動調節閥和氣動調節閥對工況穩定性影響相差無幾;間歇運行時,無論是熱力膨脹閥還是手動閥,即便壓縮機通電時間最長,仍達不到設定工況,特別是低速的斷續尤為明顯,而使用氣動閥就能很好地解決這一問題。
  18. Finaly, according to the the temporary criteria for the strength design and test accreditation about the passenger car that can run at 200km / h speed or upwards, intensities of the frame and swing boster are analyzed

    最後,按《 200km h及以上速度級鐵道車輛強度設計及試驗鑒定暫行規定》的要求對構架和擺枕的強度指標進行了校核。通過校核可以看出,構架和擺枕的強度滿足要求,而且還有一定的裕量。
  19. The thesis formulates the implementation technology of using gdms in shaoxin electric bureau ; defines the system basic data table structure ; aiming at whether to use memory database table, designs the data update speed test experiment

    論文闡述了gdms在紹興電力局故障處理系統中的實施技術;定義了系統基本的數據表結構;針對是否需要採用內存數據表,設計了數據更新速度測試實驗。
  20. Because of the reuse of some building blocks, such as adders and registers in fft processor, and the regularity of the circuit structure, the test scheme can be implemented at ? speed and in parallel without circuit performance degradation, and with minimal additional hardware and area overhead

    由於處理器中一些加法器、寄存器的再利用,以及電路結構的規則性,因而只需最少的額外硬體、面積開銷即可真速、并行地實施該測試方案而不會降低電路性能。
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