頻率裝置 的英文怎麼說

中文拼音 [bīnzhuāngzhì]
頻率裝置 英文
frequency device
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ名詞1 (服裝) dress; outfit; attire; clothing 2 (演員的化裝品) stage makeup and costume Ⅱ動詞...
  • : 動詞1. (擱; 放) place; put; lay 2. (設立; 布置) set up; establish; arrange; fix up 3. (購置) buy; purchase
  • 頻率 : frequency; rate
  • 裝置 : 1 (機器設備的配件)installation; device; apparatus; equipment; arrangement; gear; appliance; rig...
  1. In designing analogic circuit, we adopt programmable filter max262 to meet the system ' s command. after the step, we can make the signal ' s frequency width is wider and noise level is lower. to make the signal ' s amplitude to meet the analogic to digital device ' s command, we adopt the max551 to finish the gain control

    在模擬電路部分,採用可編程濾波器max262 ,這樣就滿足了該數據採集所採集的信號的范圍較寬以及具有較低的噪聲水平的要求,為了使采樣到的信號的幅度滿足後面a d轉換器的要求,採用max551對采樣到的信號進行調理(增益控制) 。
  2. In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method

    在數字式保護中,如果用差分代替求導將導致噪聲的百分比誤差隨著采樣的提高而劇增,本文對此進行了分析並提出了用分段樣條函數最小二乘法來計算電流波形的導數值,以便在提高采樣的同時降低噪聲誤差的影響,並將其應用於基於32位浮點dsp的新型變壓器保護
  3. Even under the condition that the filling pressure was up to 1. 5mpa, the onset temperature was only 237 ?. with the filling nitrogen of 0. 9 mpa, the maximal pressure ratio reaches 1. 21 and the operation frequency is 25 hz. the ratio of the harmonic wave of the engine was very little and the frequency jumping was not found in present experiments

    在充氣壓力為0 . 9mpa的條件下,該熱聲發動機最大壓比可達1 . 21 ,遠高於駐波型熱聲發動機,實驗結果和理論分析均表明系統的工作為25hz左右,實驗的諧波比例非常小,且也沒發現跳變等現象。
  4. The experimental results show : the flattop phenomenon on the diode voltage pulse was very apparent for using the carbon fiber cathode, that is to say, the pulse duration of the diode voltage was widened ; moreover, under the condition of the same power of microwave, the pulse duration of the out - put microwave was prolonged by about 30 % ; the peak power of the microwave was enhanced by 3db

    通過在上做的兩種陰極的對比實驗,結果顯示:碳纖維陰極的使用,改善了電子束質量,使輻射微波的脈寬增加了30 %以上,輻射主瓣方向上的功密度提高了3db以上,譜分佈較純凈,實現了微波的高效輸出。
  5. So, this paper researches the principle of measuring system of insulating oil dielectric loss and volume resistivity. during the measuring process, the insulating oil must be heated and kept at 90 in 15 minutes. medium - frequency induction heating method is presented to instead of the electrical resistance furnace heating method on chapter 2, and a kind of subdivision - controlled integral - separated digital pid algorithm is designed to control the medium - frequency induction heating apparatus

    本文對恆溫控制系統進行了研究,提出了以中感應加熱方式取代原有的電阻爐加熱方式,設計了一種分段控制的積分分離式數字pid控制器來控制中感應加熱,並通過通信設計將恆溫控制系統與介損及體積電阻測試系統有機結合為一體機,實驗結果表明該恆溫控制系統完全滿足介損及體積電阻測試中的控溫要求。
  6. The dispersion of dynamic frequency in complicated system is one of reasons which lead the unsatisfactory performance of under frequency load shedding device

    而復雜系統動態的時空分散性正是導致低減載動作不令人滿意的原因之一。
  7. The research on the digital measurement of frequency response characteristics of mechatronics equipment

    機電特性的數字化測試方法研究
  8. A new method for measuring the vibration of shadow mask without touch by detecting the light density with reflection type optical fiber sensor is presented. the measurement system based on the new method is designed to make the vibration measurement easier working, faster calculating, and get more precise results. it is an important measurement and analysis tool to improve the performance of shadow mask and display quality of cpt

    本文提出了基於單光纖光強度反射法的非接觸式微振動測量系統的原理,並設計製造了該測試系統,探索出了簡單方便可靠的測量方法,能夠準確客觀地反映蔭罩振動的各項參數(各振動模的振動、振幅、衰減時間) ,實現了測試的簡便化和測試過程的自動化,為cpt張緊式蔭罩系統的性能改進與顯示質量的提高提供了有效的測試分析手段。
  9. A novel bi - directional dc / dc converter was introduced in the dissertation, which based on refer much converter data. the soft switching, phase - shifted pwm and bi - directional dc / dc converter hang together, depress circuit switch ullage and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same, the converter have the virtue of structure compact, voltage and current stress small etc such as ordinary hard switch converter

    本文作者在查閱國內外大量雙向dc dc變換器資料的基礎上,採用一種新型雙向dc dc變換器的拓撲結構,把軟開關技術和移相控制pwm技術以及雙向dc dc變換器技術有機結合在一起,有效地降低了電路的開關損耗和開關噪聲,為變換器提高開關、效以及降低尺寸及重量提供了良好的條件。
  10. With the development of power electronics technology and devices in recent years, instead of using the industrial frequency transformer to boost voltage, dc / dc high frequency converter achieves the function. the system has higher power density and conversion efficiency, and the size, weight, ac noise of which has been greatly reduced

    近年來,隨著電力電子技術與器件的迅速發展,使用dc dc高變換技術代替工升壓,系統具有較高的功密度與轉換效體積、重量與交流噪聲大大減小。
  11. Energy losses leading to a decrease in head are also done away with, likewise losses in flow rate from the screening installations, both of which can have a detrimental effect on the efficiency of the facility. the constructional effort required for a hydrodynamic screw is small compared to that required for a turbine. if the compact version of a hydrodynamic screw hydrodynamic screw trough power take - off unit combined as a single unit is used, the constructional effort can be further reduced

    水力螺旋機技術的優點有:無需監控系統,可自行調節水體供給和供給運行效高於水輪機和小型渦輪機效梯度平穩轉速低20rpm - 80rpm ,運行穩定防磨損無需定期清潔,易維護對河道湖泊里的魚蝦無損害基礎工事少,安簡便無堵塞,無需隔欄能量利用充分等。
  12. An experimental setup has been designed and built up through a collaboration program between cryogenics laboratory in zhejiang university and limsi - cnrs ( france ). the system employs the inherently reversible stirling cycle, and then its thermodynamic efficiency can easily surpass that of standing - wave system and is even comparable to that of the traditional internal combustion engines

    在充分理解工作機理的基礎上,與法國國家科研中心limsi實驗室合作,設計並建成一臺行波型熱聲驅動器實驗,進行了初步實驗,以氨氣和氮氣為工質,成功地獲得了分別為66hz和23hz的熱聲振蕩。
  13. A cicuit or device whose purpose is to control electrical energy at a given frequ - ency or over a range of frequencies, groups of passive components are commonly used to construct many types of filters, these passive components include resistors, cap - acitors and inductors

    指一電路或其功能是在一特定帶下控制電能,不同種類的被動元件常被用來組成不同的濾波器,這些被動元件包含電阻,電容及電感。
  14. Then under the six poses, we get the model parameters of excavator equipment with ribs and without ribs, discuss affects on the oscillation and natural frequencies of the two statuses. based on this, we give some advices on operating and framework improving of the excavator

    然後在上述六種姿態下,得出了加筋板與不加筋板時工作的模態參數,並討論了兩種情況對工作振型與的影響,提出施工操作與結構改進時應注意的一些問題。
  15. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中,採用高速的dsp處理器,實現了對故障特徵信息的高速採集與處理;採用大功的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總線技術,組建了主機與多探測器之間的主從式通訊網路,實現了多干擾條件下主機與多探測器的可靠通訊;設計了差分式多級選放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機信息交互的介面;採用了模塊化的軟體設計方法,開發了主機及探測器的軟體程序。
  16. The design of resonant p. a. cell is one of the most important parts, including p. a. cell structure, first resonance frequency, optical reflection sets, and couple between optical fiber and p. a

    諧振式光聲腔的設計是該系統的關鍵,包括光聲腔結構設計、第一諧振及品質因子的確定、光學反射、光纖和光聲腔的耦合等。
  17. With an s pdif port providing interference - free links to digital gear, the device plays digital audio back at resolutions as high as 192 solution khz

    藉由s pdif介面可與數位設備進行無干擾的數位傳輸,這個可播放高達192khz取樣的數位音
  18. The soft switching, phase - shifted pwm and bi - directional dc - dc converter hang together, depress circuit switching loss and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same time, it is proved the converter can achieve zvs in larger load variation, and the converter has the virtue of structure compact, voltage and current stress small such as ordinary hard switch converter

    該變換器把軟開關技術和相移控制pwm技術以及雙向dc - dc變換器技術有機結合在一起,有效地降低了電路的開關損耗和開關噪聲,為變換器提高開關、效以及降低尺寸及重量提供了良好的條件;同時,能拓寬零電壓開關的范圍,使變換器在較寬的負載變化范圍內都能實現軟開關。
  19. Industrial electro - heat equipment ; power measurement on high - frequency appliances for induction heating equipment, measuring method for determination of power output of high - frequency generators

    工業電熱設備.感應加熱用高設備的功測量.高
  20. Vice president cheney has undergone a successful minor surgical procedure. doctors at george washington university hospital replaced the generator and battery in a device that monitors cheney ' s heart rhythms

    副總統切尼的外科小手術很成功.喬治華盛頓大學的醫生更換了檢驗切尼心跳頻率裝置的發電器和電池
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