電阻不穩定性 的英文怎麼說

中文拼音 [diànzǔbùwěndìngxìng]
電阻不穩定性 英文
resistive instability
  • 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...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 不 : 名詞[書面語] （剁物所用的木墩） a block of wood
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 電阻 : （物質阻礙電流通過的性質） resistance; electric resistance （電路中兩點間在一定壓力下決定電流強度...
  • 穩定性 : antiwhip
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. It is inadvisable, therefore, to rely on the stability of high value resistors for the performance of a system

    因此，讓系統的性能依賴于高阻值電阻的穩定性的做法是不可取的。
  2. The synchronous rectifying and low power sampling technology is used to reduce the power consumption, flexible external loop compensation, error amplifier output clamp are adopted for better system large signal response. the piecewise slope compensation technology is employed to minimize the consequence of over compensation. the sensor resistor is externally connected, which realize output voltage programmable. the overheat protection and under voltage protection modules are integrated in the die to allow the reliable operation of the system

    同時，電路設計採用同步整流技術、低功耗電流采樣技術降低功耗，提高轉換效率;採用靈活的外部環路補償技術、誤差放大器輸出嵌位技術以實現良好大信號特性;採用分段斜坡補償技術，消除不穩定因素，並最大程度地減小過補償帶來的問題;採用外接輸出采樣電阻的方式，實現輸出電壓的可編程。
  3. Sb2015 - 3 precision decade dc resistance box adopts high voltage glass glaze resistors and special high voltage seal switch. its electric performance is very stable and insulation intension is very high. the resistance value can be adjusted under the condition of ceaselessly opening voltage ( note : the using switch should not be at the point of 0. ) it is easy to operate and suitable to be used to calibrate insulation resistance meter, and suitable to be used as high resistance standard

    3型精密十進位直流電阻箱採用高壓玻璃釉電阻器及獨特的高壓密封開關，電性能穩定可靠、絕緣強度高、可在不斷開測試電壓的條件下調節電阻值（正在使用的那隻開關不處在「 0 」位置時） 、操作方便，適用於檢定/校準絕緣電阻表，也可作為高阻標準。
  4. Sb2015 - 2 precision decade dc resistance box adopts high resistance superfine glass silk and special high voltage seal switch. it electric performance is very stable and insulation intension is very high. the resistance value can be adjusted under the condition of ceaselessly opening voltage ( note : the using switch should not be at the point of 0. ) it is easy to operate and suitable to be used as dc resistance standard to calibrate insulation resistance meter

    2型精密十進位直流電阻箱採用高阻玻璃微細絲電阻器及獨特的高壓密封開關，電性能穩定可靠、絕緣強度高、可在不斷開測試電壓的條件下調節電阻值（正在使用的那隻開關不處在「 0 」位置時） 、操作方便，適用於檢定/校準絕緣電阻表，也可作為直流電阻標準。
  5. This thesis probes into design of microcomputer system taking single chip microcomputer as central, anti - interference, security segregate and design of interface circuit etc. furthermore, the option to cycle of sampling various frequencies examine signals is also analyzed and it was utilized in the examine system. thus, the dependability and stability problem of the microcomputer examine system of hydraulic resistance testbed have been solved better, make this test a modern techniques and practibility is good

    本文在以單片機為核心的微機系統的設計、介面電路設計、抗干擾技術及安全隔離技術等方面進行了較深入的研究，分析了不同頻率檢測信號采樣周期的選擇，並在檢測系統中得到了應用，較好地解決了水阻試驗臺微機檢測系統的可靠性和穩定性問題，使得該試驗臺技術先進、實用性好。
  6. In the forth chapter, the performances of mr dampers designed and fabricated at chongqing university have been tested in national center for test and supervision of coach quality, including schematics of damping force vs. displacement of piston head, damping force vs. velocity of piston head, etc. for some given electric currents of the coil. the experimental results demonstrate that damping force offered by mr damper consists of background damping generated by resistance of mr fluid and damping caused by magnetic field

    對不同勵磁電流條件下的理論阻尼力與測試阻尼力進行了比較，分析了產生誤差的主要原因；對阻尼器產生溫度效應產生的主要原因進行了分析，提出了應該提高磁流變體的溫度穩定性；推導了磁流變體的感性和容性流動方程，從理論上分析了磁流變體的感性和容性對阻尼器特性的影響。
  7. 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。
  8. But the former consumed energy and cost time and unfavorable for the quick - test situation. the stability, accuracy and interchangeability of the former were worse, and therefore, its use was limited

    但烘箱法耗能費時，不利於需要快速測試的場合；直流電阻測濕法的穩定性、準確性和通用性較差，應用場合十分有限。
  9. In the model, johnson - cook strength is combined with gurson - tvergaard - needleman yield criteria, and random distribution of microvoids is used. results show that quasi - periodic axial fracture will appear, which obstructs the mirror current of the armature

    在給定微孔洞的初始擾動時，計算結果解釋了鋁電樞表面將要形成的不穩定性，它導致了電樞外表面出現周期性的軸向裂紋，阻礙了鏡像電流，使fcg損耗增加。
  10. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次數，還是在事故所造成的停電時間上都占據總量60以上。因此，及時了解斷路器的工作狀態對提高供電可靠性有決定性意義；並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法；提出了二次迴路保護器的概念，並將跳、合閘線圈完整性監視和二次迴路保護結合起來，給出具有完整性監視功能的二次迴路保護器實現方案；根據斷路器生產廠家提供的斷路器額定短路電流分斷次數，計算每次分閘對應的觸頭電壽命損耗，預測觸頭電壽命；提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法，並根據此時的負荷電流間接計算主觸頭迴路的電阻；在硬體電路設計上，採用美國ti公司最新推出的一種功能強大的單片機msp430 ，並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題；在通信模塊的設計中，解決了不同工作電壓晶元之間的介面問題，並給出了直接聯接的接線方案。
  11. The transient state of torpedo electrical drive system, caused by torpedo ' s steding, shifting, and the fluctuation of battery voltage, and the change of the resistance in voyage, will influence efltire attitude and stability of the torpedo immediately, as well as every parts of electrical propulsion system. therefore, it is necessary to theoretically analyze the transient state of torpedo electrical power propulsion system

    魚雷電動力推進系統在魚雷啟動、變速及因電池電壓的波動和在魚雷航行阻力變化時而產生的暫態過程都將直接對整個魚雷的姿態和穩定性產生影響，同時對電動力推進系統本身各個組件也將產生不同影響，因此有必要對魚雷電動力推進系統的暫態過程進行一些理論分析。
  12. Finally modulation of solitary evolution of gaussian beams is discussed, and the results show that changing the load resistance can make a gaussian beam evolve into a stable bright soliton when propagating in a biased photovoltaic - photorefractive crystal

    最後研究了光伏光折變晶體中高斯光束演化特性調節，結果表明調節分壓電阻，可以使在晶體中傳播不穩定的高斯光束趨于穩定的明孤子波。
  13. Ohmic contacts on h2 - thermally - treated 6h - sic surface by evaporating aluminum without annealing have contact resistances of 8 10 - 3 - cm2 on room temperature and keep fairly good thermal stability under the temperature of 400. its ohmic properties do n ' t depend on the doping concentrations of the substrate, which enables us to form ohmic contacts on low dropped substrate especially on epitaxial layer

    通過氫氣處理6h - sic表面並鍍鋁后直接形成的歐姆接觸室溫比電阻率達到8 10 ~ （ - 3 ） ? cm ~ 2 ，溫度不超過400時該接觸具有較好的穩定性，其歐姆特性不依賴于襯底的摻雜濃度，是一種適宜在低摻雜襯底特別是sic外延片上制備歐姆接觸的有效方法。
  14. Utilizing backstepping procedure, general expression of control strategy for hvdc converters is acquired. the control strategy can restrain the nonlinear uncertainty through injection of nonlinear damping terms in virtual controllers. the proposed decentralized adaptive control scheme guarantees that all the signals in the closed - loop system are bounded in the presence of high order interconnections and bounded disturbances

    設計中引入自適應非線性阻尼項來抑制系統非線性不確定參數和未知有界干擾的影響，同時採用反演設計方法來克服控制器設計的復雜性，最後獲得高壓直流輸電系統換流站的分散魯棒自適應控制策略的一般表達式，並提供了整個系統的穩定性證明。
  15. The other is based on genetic arithmetic. simulation results show that the results could be got easily, stably accurately by three methods, which is totally not affected by the type of fault, transition resistance, system parameters and avoiding the fake root problem

    大量模擬結果表明：本文提出的三種方法計算較為簡單，穩定性好，具有很高的精度，完全不受故障類型、過渡電阻和系統參數的影響，且有效避免了偽根問題。
  16. A novel strategy combined the fuzzy logic of linear multivariable feedback control to design a controller of statcom to meet the multi - objective demands of power systems is also proposed in this dissertation, and the controller is designed with this strategy, because of variational element, nonlinearity and multi - objective controlling demands of statcom, this paper designs the controller respectively aimed at continuous linear control for voltage maintaining, oscillation damping, improving the transient stability

    根據電力系統變參數、非線性以及對控制要求多目標的特點，本文針對維持系統節點電壓、阻尼系統振蕩、提高系統暫態穩定性能等不同控制目標分別設計了控制器，然後將模糊邏輯和多狀態線性反饋相結合，提出了一種能滿足電力系統多目標要求的控制方法，並用該控制方法為statcom設計了控制器。
  17. Abstract : ultrasonic welding for ribbon is widely used in developed countries ， electric resistance welding is still used in china. on absorbing foreign advanced technology ， the key assembly of the ultrasonic welding machine i. e. pneumatic working platform was manufatured. the cost of the machine and its spare parts is only 1 / 3 of the imports. the machine has been operated in a factory for four years ， and has been proved stable and reliable. the machine can substitute the imports

    文摘:超聲波焊接是發達國家色帶生產企業普遍採用的色帶焊接方法，而國內企業均採用落後的電阻絲焊.為此，在吸收消化國外先進技術的基礎上，自行開發了色帶焊接機的關鍵部件? ?氣動工作臺，實現了超聲波色帶焊接機的國產化，整機及配件價格不到進口產品的1 / 3 .產品經工廠4年多的實際應用，性能穩定、可靠，完全可替代進口
  18. Ni ohmic contacts fabricated by traditional evaporation and thermal annealing on temperature of about 1000 have lower contacts resistances. the testing result on 400 does n ' t show it can keep thermal stability

    按常規方法鍍鎳（ ni ）並經1000左右高溫退火得到的歐姆接觸具有更低的室溫比接觸電阻，但400高溫歐姆特性測試表明其熱穩定性不夠好。
  19. The study and design on the full automation inserting dynamic and static spring leaf machine applicant : zheng tianlai supervisor : associate professor hu guoqing the labour denseness model was adopted in the most of relay production lines presently inland, which makes the inserting force of the spring - leaves uneven and affects the tangent resistance, so the artificial factor of the product is serious, and the stability is bad

    目前國內繼電器生產中大多採用勞動密集型，繼電器簧片的插入力大小不均勻，影響接觸電阻，所以產品質量人為因素很重，穩定性差。廈門宏發電聲有限公司繼電器生產的簧片插入工序是雇傭大量的工人進行操作，產品的質量無法保證。
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