預備信號 的英文怎麼說
中文拼音 [yùbèixìnháo]
預備信號
英文
preparatory signal-
The subject derives from electronic equipment bureau of electronic information industry of department of general equipment of china. the subject researches dds ( direct digital frequency synthesizer ) signal source of the frequency agile signal generator. it plays a good role in the important pre - research project that is the test technology of tactics anti - jamming for communication transceiver synthesis
本課題是總裝備部電子信息部電子裝備局下達的預研項目? ? 《戰術抗干擾通信電臺綜合測試技術》中的信號源部分（捷變頻信號發生器中的dds信號源部分） 。In communications, a device that automatically transmits a predetermined signal when activated by a received signal
通信技術中使用的一種設備，在接收到激勵信號后該設備能自動發送預先確定好的信號。It introduces the method of self - adjustment, build the - of predictive fuzzy control. the controller mainly fulfils the following operations ; 1 burring the signal or the m oisture 2applying the blurred control theory and the last, the aim of controlling the moisture of the pulp is achieved through the output control signal of the monolithic microcomputer blurred control
預測模糊控制的控制器主要功能如下：把水分含量信號模糊化；應用模糊控制推理規則進行分析；根據雙因子模糊控製表進行模糊決策；並把模糊決策與預測控制結合起來對球磨機制備料漿水分含量實施控制。Abstract : the rechargeble batteries are used for backup power internal electrically equipments and instruments. but batteries lifetime usually is shorten by overwork and then malfunctions of equipment are induced. to avoid the complexion described above, the protection circuit against overwork is designed. it is based upon the voltage comparator and regulator. it will light up a red led when the volume of the batteries discharged close upon 50 % ; it will switch off the load automatically when it discharged closing to 80 % of their energy capacity, thus overwork of batteries can be avoided and lifetime may be extended
文摘:用蓄電池做后備電源的系統（或設備） ，常因過放電導致電池提前報廢而造成設備故障.根據電池電壓隨容量變化的規律，利用電壓比較器和電壓基準源設計製作了電池放電保護電路，當電池放電量接近容量的50 %時，啟動預警信號；當電池放電量達到容量的80 %時，電路自動切斷負載，防止電池過度放電，延長電池壽命，保證系統（或設備）在供電恢復正常后能正常運行The economic success of alfamobil 1800 s. r. o. - odblokovani telefonu, gsm, servis is coined / shaped by products and service services such as credit, service, accessories in addition to hardware, mobile and software. one can even receive offers on fax, nokia, sale and shop as well as on sets with alfamobil 1800 s. r. o. - odblokovani telefonu, gsm, servis in outstanding quality
是一家高級企業，該企業使用多種工藝製造接受，符號、命名、表示，卡片，公司，信用卡、貸款，產品、製品，插件板、卡片，路上交通工具、機動車輛，操作，庫、車場，預備、防備、供給，實際，賣、出售。Judging by simulation experiments, the approach can accurately on - line detect sensor fault, separate the fault sensors in the meantime, and it can provide system and equipment with temporary predictive signals
該方法採用在線學習訓練網路，並給出傳感器的預測信號，對傳感器是否發生故障做出檢測，模擬實驗證明，該方法對傳感器的故障能在線做出準確的檢測，同時隔離故障傳感器並為系統和設備提供臨時的預測信號。Secondly, two carbon fiber reinforced composite beams were fabricated, and their modal frequencies were measured by an experiment method. thirdly, delaminations were modeled by pairs of nodes with the same coordinates but different node numbers, while the modal frequencies of these beams with different delamination location and size were computed by an eas piezoelectric solid element. moreover, a novel method combining computational mechanics and neural network was demonstrated for composite health monitoring ; the first five flexure modal frequencies obtained by fem were modified by a primary revising approach and were used to train the neural network
本文較全面地評述了神經網路的應用模型、改進演算法等，編制了bp神經網路程序：制備了纖維增強復合材料試件，並進行實驗模態分析；利用坐標相同、節點號不同的方法模擬脫層損傷，基於eas列式的壓電固體單元計算了不同脫層損傷情況下的頻率信息；針對基於實驗數據訓練神經網路存在樣本不足的缺陷，本文提出了利用有限元方法對含有脫層損傷的復合材料試件進行數值模擬，以前五階彎曲模態頻率構建訓練樣本的新思路，並提出了一種初步的計算值修正方法，以此構建神經網路的訓練樣本：將實驗模態分析的結果送入訓練好的神經網路進行預測，實現了對復合材料梁的脫層損傷的定位和損傷程度的評估。Sync check relay a sync check relay is an electrical device that monitors the phase relationship between two voltage sources and provides a signal when the voltage sources are within specific preset parameters
同步檢查繼電器同步檢查繼電器是監測兩個電壓源之間的相位關系的電氣設備，如果電壓源間的關系在預定的參數范圍內，它就會發出相應信號。Exchange of predetermined signals when a connection is established between two data set devices
在兩個數據傳輸設備間建立連接后，進行預定信號的交換過程。The signal handling and analyzing unit dispose of the sensor ' s output signal by amplifying, plasticisering, a / d transforming and measuring, then displays it digitally. at the same time, power speech alarm system and speech alarm system, speech alarm system will give alarm, and control the related equipment if it is necessary
信號處理單元對傳感器輸出的信號進行放大、整形、 a / d轉換和測量等處理，並進行數字顯示，同時接通語音報警系統電路，語音報警系統進行相應的預警和報警，在必要時對相關設備進行自動控制。The system is compatible with the various different types a / d converters, carry out the functions of the vibration signal sampling, the saving of data file, the timely wave showing, the configuration table edit, the former data return and data analysis etc. the functions of signal analysis include the time field statistics analysis, the time field mutual analyzing, the frequency spectrum analyzing, the relevant analysis, the transmission function analysis, the demodulating analysis, and the short fourier transformation of the time and frequency field etc. experiments verify that the system carry out stably and credibility, various functions is achieved, has precise analyzing results, high calculating speed and high precision, the expected targets have been reached
該系統可以兼容多種不同型號的數據採集設備，實現了振動信號的採集、數據文件的存儲、波形的實時顯示、組態表編輯、歷史數據回放與數據分析等功能。系統的信號分析功能包括時域統計分析、時域相關分析、頻譜分析、相干分析、傳遞函數分析、解調分析以及時頻分析中的短時傅立葉變換等。經試驗驗證表明，系統運行穩定可靠，各項功能工作正常，數據分析結果準確、運算速度快、精度高，達到了預期設計目的。分享友人