電壓擺動 的英文怎麼說

中文拼音 [diànyābǎidòng]
電壓擺動 英文
swing voltage
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 壓 : 壓構詞成分。
  • 擺 : Ⅰ動詞1 （安放; 排列） put; arrange; set in order 2 （顯示; 炫耀） display; show off; put on; assu...
  • 電壓 : voltage; electric tension; electric voltage
  • 擺動 : 1 （搖擺） swing; sway; oscillate; pendulate; waggle; wobble; vibrate; wiggle 2 [機械工程] jiggin...
  1. What is mainly discussed in this dissertation is as follows : the fault mechanism and vibration frequency feature of hydroelectric vibration are analyzed, induced and reorganized. the select and placement of detecting positions of parameters such as vibration, swing and pressure pulsation are researched, and the corresponding sensors are selected to monitor

    本文主要進行了以下工作：分析、歸納和整理了水電機組振動的故障機理和振動頻率特徵，對機組的振動、擺度和壓力脈動測點進行了選擇和布置，並選用相應傳感器進行監測。
  2. The moment of inertia, damp and comeback can be adjusted. two electro - hydraulic servo systems analog rolling moment and swaying force of wave respectively. the two systems both use electro - hydraulic servo valves, in which the analog rolling moment system adopts gear - rack swing hydraulic - pressure oil vat with torque sensor, while the analog swaying force system employs double shanks hydraulic - pressure oil vat with two pressure sensors and a placement sensor

    兩套電液伺服系統均使用流量電液伺服閥（採用外供油方式） ，其中模擬橫搖力矩的伺服系統採用齒輪齒條擺動液壓油缸，配有扭矩傳感器，模擬橫蕩力的伺服系統採用雙出桿液壓油缸，配有兩個壓力傳感器和一個位移傳感器。
  3. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  4. For the welding voltage doesn ' t change, so the arc length also will not change, and the arc will penetrate into the molten puddle, which will make the swing range small, so the fusion width will decrease

    由於電壓沒有改變，所以弧廠也不變，導致電弧潛入熔池，使電弧擺動范圍縮小，就是促使容熔寬減小。
  5. Realizing automatic control and centralized monitor & control of the gas supply system will not only solve all kinds of problems and disadvantages under manual control at present, but also can be transplanted and extended to the monitor & control system of the equipment in other ground service support systems such as : low - voltage power distribution 、 cable arms 、 platform and air conditioning, which will finally become a part of the centralized monitor & control and telemetering launch system of the ground equipment

    實現發射場配氣系統的自動控制和集中監控，不僅可以解決目前手動控制存在的各種問題和弊端，而且項目的研究實施可以移植、擴展到低壓配電、擺桿、平臺、空調等地面勤務系統設備的監控上，並最終成為地面設備集中監控和遠距離測試發射的一部分。
  6. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究，分析了這些技術的工作原理和優缺點，在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時，為了使輸入共模電壓范圍達到軌至軌，不是採用傳統的差動輸入結構，而是採用了nmos管和pmos管並聯的互補差動輸入對結構，並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中，電流鏡負載並不是採用傳統的標準共源共柵結構，而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時，為了提高效率，採用了推挽共源級放大器作為輸出級，輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計，採用了帶電流鏡負載的差分放大器設計了一個基準電流源，給運放提供穩定的偏置電流和偏置電壓，保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。
  7. Models of electro - hydraulic servo valve, gear - rack swing hydraulic - pressure oil vat and torque sensor are selected in order to analog the rolling moment more accurately. the transfer function of electro - hydraulic moment servo system is presented and the system parameters are gained. at the same time, the simulation of system is studied

    為了能更好的模擬海浪作用於船舶的橫搖力矩，選取了電液伺服閥、齒輪齒條擺動液壓油缸和扭矩傳感器的型號，建立了電液力矩伺服系統的傳遞函數模型，求取了系統參數，並對系統進行了模擬研究。
  8. Two electro - hydraulic servo systems analog rolling moment and swaying force of wave respectively. the two systems both use electro - hydraulic servo valves, in which the analog rolling moment system adopts gear - rack swing hydraulic - pressure oil vat with torque sensor, while the analog swaying force system employs double shanks hydraulic - pressure oil vat with a placement sensor

    兩套電液伺服系統均使用流量電液伺服閥（採用外供油方式） ，其中模擬橫搖力矩的伺服系統採用齒輪齒條擺動液壓油缸，配有扭矩傳感器，模擬橫蕩力的伺服系統採用雙出桿液壓油缸，配有一個位移傳感器。
  9. Models of electro - hydraulic servo valve, gear - rack swing hydraulic - pressure oil vat, double shanks hydraulic - pressure oil vat, placement sensor and torque sensor are selected in order to analog the rolling moment and swaying force more accurately. transfer functions of electro - hydraulic moment servo system and placement servo system are presented and the system parameters are gained

    為了能更好的模擬海浪作用於船舶的橫搖力矩和橫蕩力，選取了電液伺服閥、齒輪齒條擺動液壓油缸、雙出桿油缸、位移傳感器和扭矩傳感器的型號，建立了電液力矩伺服系統和位置伺服系統的傳遞函數模型，求取了系統參數，並對系統進行了模擬研究。
  10. The main work has been finished in paper is below : 1. all kinds of structure of low - voltage op - amp were compared and analyzed, such as the three - times current, redundant difference pair, dc level shifter input stage, large current output, very low - voltage output stage. 2

    對國內外的相關研究動態做了廣泛的調研，仔細比較了各種實現電路的優缺點，如輸入級的三倍電流鏡法、冗餘差分對法、電平移位法等，輸出級的大擺幅輸出級、超低電壓輸出級等。
  11. In order to expand the signal the dynamirange, the low voltage operational amplifier usually needs the input signal scope and the output signal scope to be able to achieve the entire amplitude, in view of this question, this article discusses as follows : one is designed with ab rail - to - rail output stage

    為了擴大信號的動態范圍，低電壓運放通常需要輸入輸出的信號范圍能達到全擺幅。針對這個問題，本文做了如下工作: 1 ）設計了一個是包含ab類軌對軌輸出級的低功耗運算放大器。
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