frequency measuring instrument 中文意思是什麼

frequency measuring instrument 解釋
頻率測量儀器
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  • measuring : n. ,adj. 測量（的），測量用（的）。 remote measuring 遙測。
  • instrument : n 1 儀表，儀器 〈cf tool implement〉。2 樂器 （＝musical instrument）。3 【法律】證件，證券，文件...
  1. We have developed a high precision wavemeter with an accuracy of 2 10 ^ ( - 8 ) in measuring vacuum wavelength, and a frequency measurement instrument by femtosecond modelocked laser with an accuracy of commercial cs standard

    為了適應研究工作的需要，研製了高精度激光波長計，測量真空波長的準確度可達2 10 ^ （ - 8 ）的量級，同時研製了飛秒鎖模激光的測頻裝置，目前的測量精度可與小銫鐘的精度相同。
  2. By using a counter and an operation microprocessor, this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state. this instrument takes samples of voltage, current signal and strong and weak of high frequency signals of detecting voltage amplitude, translates them into various time pulses in discharging state. and a counting unit turns these pulses into digital signals, then send them to a microprocessor. finally various discharge time percentages are sent to the control tache

    通過采樣電火花加工放電間隙的電壓、電流信號和檢測電壓幅值上的高頻信號的強弱，得出反映間隙放電狀態的各種時間脈沖，利用計數器分別對其計數，再送給單片機運算處理，輸出控制環節所需的各種放電狀態時間百分數。
  3. Abstract : by using a counter and an operation microprocessor, this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state. this instrument takes samples of voltage, current signal and strong and weak of high frequency signals of detecting voltage amplitude, translates them into various time pulses in discharging state. and a counting unit turns these pulses into digital signals, then send them to a microprocessor. finally various discharge time percentages are sent to the control tache

    文摘:通過采樣電火花加工放電間隙的電壓、電流信號和檢測電壓幅值上的高頻信號的強弱，得出反映間隙放電狀態的各種時間脈沖，利用計數器分別對其計數，再送給單片機運算處理，輸出控制環節所需的各種放電狀態時間百分數。
  4. Doppler very high frequency omni - directional range and distance measuring equipment ( dvordme ) system standard icao radio navigational aids used to provide bearing and distance information to aircraft and to define air traffic control routes for en - route, terminal and instrument approachdeparture procedures

    這是國際民航組織指定的標準無線電導航設備，可向航機提供方向及距離的資料，並可以確定航路、終端區程序、儀表進場及離場程序等。
  5. The ? 1 word count error exists in nearly all kinds of digital time and frequency measuring instrument and it affects the instrument ' s measuring precision tremendously

    在所有的數字式時間及頻率測量設備中，幾乎都存在著1個字的計數誤差。它的存在，極大地影響儀器的測量精度。
  6. Finally, this paper also suggests that the application of blade resonant frequency measuring instrument should be combined with a mathematic method of two - - grade fuzzy universal appraisal to form a novel and practical procedure to make a comprehensiye evaluation on the status of impel ler blades

    最後，本文還提出了將葉片共振頻率測試儀與二級模糊綜合評判的數學方法相結合，對葉輪的狀態進行綜合評價的新穎實用的方法。
  7. Due to too much short sustained time duration of oscillation for the blades and too wide distribution of oscillation frequency over the audio frequency range, a procedure of variable gate frequency measurement has been applied to the design of frequency measuring instrument with a micro - - controller unit ( mcu ) as its core. this procedure features a high precision and rapid speed

    由於葉片振動持續時間很短，且振動頻率在音頻范圍之內分佈較廣，故在設計以單片機為核心的測頻儀時採用了變閘門測頻法，該方法具有精度高、速度快的優點。
  8. Macromolecule humidity instrument based on integration methodof frequency measuring and period measuring

    基於測頻測周方法集成的高分子濕度儀
  9. The designed testing instrument has the functions of many instruments, such as frequency selective level meter, oscillator, frequency meter, millisecond meter and so on. all measuring and data processing are accomplished by the application software that is installed in a computer

    在功能上，裝置集電平振蕩器、高頻頻率計和選頻電平表等多臺儀器的功能於一體，且裝置的所有試驗操作、測量及數據處理由安裝于通用計算機上的應用軟體完成。
  10. It can meet t he tribology test ' s real - time require because of good frequency characterization. in the test system, it is successful to use the virtual instrument technique in tribology experiment, which pioneered a novel method of measuring and testing technique of tribology

    由於其具有良好的頻響特性，滿足了試驗的實時測試要求，並成功的將虛擬儀器技術與摩擦學試驗結合起來，為摩擦學測試技術開辟了新的發展方向。
  11. In order to get suitable algorithms which are accuracy, feasible, practical and convenient to be realized by virtual instrument, this paper firstly analyzes measuring algorithms of major power quality parameters, such as voltage, current, frequency, harmonics, flicker, unbalance factor etc. then two algorithms, the one for basic power quality parameters measurement based on spectrum correction and the other one for flicker measurement based on fft, are presented

    基於虛擬儀器技術的電能質量測試儀應用靈活，升級方便， 「軟體就是儀器」的特色使測試儀各種通用功能和預期功能的方便實現成為可能。文章對電能質量的一些主要指標:電壓、電流、頻率、諧波、電壓波動和閃變、三相電壓不平衡度等的測量演算法進行了分析，尋求適合虛擬儀器實現的，切實可行、計算精確、實用性強的計算方法。
  12. The measuring instrument for blade resonant frequency mainly consists of a front end circuit, a signal collecting circuit, and a coiilputing and displaying circuit. this paper provides a detailed hardware diagran, software flow chart and design process, expounds the operation and calibration of the instrument, and analyses the measuring data in detail according to different conditions

    葉片共振頻率測試儀主要由前置電路，信號採集電路及運算和顯示電路組成，文中給出了詳細的硬體電路圖、軟體流程圖及設計過程，闡述了該儀器的使用和校驗方法，並針對不同的狀況對測量數據進行詳細的分析。
  13. An instrument for measuring and analysing low frequency absolute vibration based on single - chip microprocessor

    基於單片機的低頻絕對振動測量分析儀
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