零電壓表 的英文怎麼說

中文拼音 [língdiànyābiǎo]
零電壓表 英文
zero voltmeter
  • 零 : Ⅰ數詞1 （零數） zero2 （數的空位） zero sign （0）; nought 3 （表示沒有數量;無） nil; nought 4 （...
  • 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。
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 電壓 : voltage; electric tension; electric voltage
  1. Piezoelectric elements were bonded on the plate as actuators and the input voltage of each actuator was determined by the velocity of its position and volume velocity of the plate was made zero, through which the sound radiation from the plate could be controlled

    在簡支薄板表面粘貼壓電片作為致動器，根據所處位置的速度確定輸入控制電壓，並使平板的體積速度為零，從而達到控制聲輻射的目的。
  2. Remember the following words and expressions : e. g. multimeter ； circuit ， current ； voltage ； resistance ； digital multimeter ； analogue multimeter ； analogue multimeter scales ； zero adjustment control ； zero adjustment control for resistance ranges ； measurement ranges switch ； transistor test socket ； meter probe ； positive terminal ； negative terminal ； anode ； cathode ； red lead ； black lead ； power supply ； connect in parallel ； connect in series

    記住萬用表、電路、電流、電壓、電阻、數字萬用表、模擬萬用表、表頭、機械零位調整器、歐姆零位調整器、量程選擇開關、晶體管插孔、表棒、正接線端、負接線端、陽極、陰極、紅導線、黑導線、電源、並聯、串聯等常用英文單詞，並逐步掌握。
  3. In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research

    因此，為提高原始電壓信號的質量，本文採用三相六元件的信號發生方案，通過差分處理濾除了由於裝配偏差和零點漂移帶來的信號誤差;本文對編碼器信號發生結構進行了磁場分析，依據磁場分析的結論對編碼器常用的信號發生結構進行了改進，改進后的結構利用積分原理在理論上能夠完全消除信號中由磁鋼環表面粗糙度引起的信號噪聲，進一步提高了信號質量，此結構不僅滿足了本課題的需要，而且為今後研製超高精度的磁電式編碼器奠定了理論基礎。
  4. By improving surface condition of parts and one shot seal - off clean room grade, using ultrasonic vapor phase cleaning process, the inner parts of vacuum interrupter get cleaner. movable particles have been diminished by automatic current ageing, power frequency hi - voltage ageing and dynamic high current ageing. as the dielectric strength of clearance in vacuum interrupter improved, the probability of re - ignition in test drops evidently

    通過提高零件表面加工質量，改善一次封排間的真空衛生條件、制定合理的超聲波氣相清洗工藝提高管內潔凈度，採用自動電流老煉、超高壓工頻老煉、大電流動態老煉等工藝進一步消除真空滅弧室內活動性微粒，可提高真空滅弧室真空間隙介質強度，使真空開關投切電容器組的重燃率大大降低，並通過實驗驗證真空開關投切電容器組的重燃率在製造工藝改進後由原來的10 . 7 %降低至1 . 3 % 。
  5. Plasma nitriding is an application way to metal surface and heating treatment based on the formed plasma by glow discharge. nitriding is a way of heating treatment, namely, metal accessory is put into activate nitrogen and the gas of low light pressure is ionized into energy electrons, high energy ions and high energy neutral atoms by the action of the electric field under a definite temperature and the time of the heat preservation

    等離子滲氮是利用輝光放電形成等離子體在金屬表面，熱處理方面的應用，滲氮是強化金屬表面的一種熱處理方法，是將金屬零件置於活性氮的介質中，在一定溫度和保溫時間下，低光壓氣體在電場作用下使之電離產生能電子、高能離子和高能中性原子。
  6. Among these a three - phase voltage - style pwm rectifier is selected, and voltage space vector pwm is employed. and its principle, mathematics models and the selection of control parameters are studied in details. in addition to, a fast algorithm for space vector pwm, the method of decomposition matrix proposed in this paper can simplify the calculation process and with which we may omit the triangular function tables

    分析總結了現有的三相整流電路拓撲及其控制策略，選擇以三相電壓型pwm整流器為研究對象，並採用電壓空間矢量pwm控制策略；分析研究了整流器的工作原理，建立了數學模型；研究了控制方法及其參數設計；提出了電壓空間矢量的pwm快速演算法，不需要三角函數表，由dsp實時計算得到精確的工作矢量及零矢量的作用時間。
  7. 2. the pre - flashover phenomena of alumina insulators in vacuum have been investigated. according to the experimental results, a reversed pre - flashover current was observed repetitively, which often occurs at the tail of pulse voltage close to zero ( sometimes after the applied pulse voltage )

    首次發現了大量的、重復性的反向預閃絡現象，即在沖擊電壓波尾附近電壓幅值已經接近零、甚至在沖擊電壓作用完后（已沒有電壓）的情況下仍然存在試樣表面發光現象，同時伴有反向的電流脈沖。
  8. Test results show that the modified embedded zerotree coding method is effective for power system malfunction data compression, and that the embedded property is very helpful for improving fault record performance

    模擬實驗表明，改進后的嵌入式零樹編碼方法對電力系統故障數據壓縮十分有效，並且其嵌入式的特性提高了故障錄波器的性能。
  9. Simply supported and multilayered electro - elastic plates : using the theories of simply supported and multilayered magneto - electro - elastic plates, without considering the magneto effect, we can easily get the general solution formulation of simply supported and multilayered electro - elastic plates. four - layered electro - elastic plates with two stacking sequences under a mechanical load or charge are analyzed

    對于簡支壓電彈性層合板問題，根據簡支壓電壓磁彈性層合板問題的理論推導，不考慮其磁耦合效應，令相關系數為零，即可得到多層壓電彈性層合板狀態變量的表達式。
  10. Switching loss and efficiency of the proposed resonant pole zvt three - phase pwm inverter are analyzed and discussed. results of calculation and testing of the prototype together with a hard - switching inverter with the same specification show that an improvement of 2 % ~ 3 % is obtained. based on the analysis of drawbacks of existing svpwm technique in resonant pole zvt three - phase pwm inverters, several improved svpwm methods are presented

    對提出的諧振極零電壓過渡三相pwm逆變器的開關損耗和工作效率，進行了深入的分析和討論，並針對原理樣機進行了理論計算和實際測量，並與相同規格的硬開關三相逆變器進行了對比研究，結果表明，採用提出的軟開關技術的原理樣機的效率可以提高2 % 3 。
  11. At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db

    本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素（ ql值）超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器，頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器，精心設計電路，優化設計布置印製電路板，用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件，製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。
  12. It emphases the selection of secondary voltage of the step - down transformer, the control and protection of thyristor, the calculation of compensation capability and group capability, the technique of cross - zero switched on / off capacitors or reactor, the solution of avoiding possible resonance in switching on / off groups of capacitors or reactor and the measure of the best time to switch ( including the design of the computer survey and control system, instrument deliver system, delay operate and protect system ). although thyristor as a no - contact switch can avoid almost the problem of contact switch with contact, it can not solve the over - voltage, over - current and transient process itself as switching on / off capacitors or reactor. so we must develop a set of thyristor - switched control and protect system with great reliability so that it can realize of cross - zero switching on / off capacitors or reactor at any time

    晶閘管具有過零、動作快速的特點，本研究以晶閘管為電容器和電抗器的分組投切開關，重點研究了協調變壓器二次電壓的選擇、晶閘管觸發控制及保護、動態補償容量及分組容量的計算確定、過零投切電容器和電抗器技術的實現、以及分組投切電容器和電抗器可能發生諧振的處理計算方法，給出實現最佳補償投切選擇方法（測控系統、儀表變送系統、操作和保護系統的設計步驟） ，研製了一套高可靠性晶閘管觸發控制及保護系統，實現對無功的靜止可調補償。
  13. It is found that non - zero normal stresses exist in the gradient piezoelectric curved cantilever when the cantilever is subjected to an external voltage

    研究表明，當受外加電壓作用時，彎曲型梯度壓電懸臂梁中存在非零的應力。
  14. Due to there maybe being a series connect printer or other peripheral and protection locks behind the hardware lock, and the output voltage standard of printer port is 5v, if the components of a protection lock all use the power around 5v, it will cause difficulties usually when being used

    由於在硬體鎖後面有可能串接印表機，或是其它的保護鎖或外圍設備，而印表機埠的輸出電壓標準為5v ，如果保護鎖組成零件都是工作於5v的范圍，這樣將會經常造成使用上的困擾。
  15. The products can be widely used for molding, cold and hot pressing, assembling of the parts for industries like clocks and watches, accessories of automobile and motorcycles, tableware, badges, jewelty, electronics, cameras, metal works, rubber products, chemicals, packing, etc

    產品可廣泛用於大批量生產的鐘表、眼鏡、汽摩配件、餐具、獎章、首飾、電子、相機、五金製品、橡膠製品、化工包裝等行業的零件成形、冷、熱壓制和裝配等行業。
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