諧波損耗 的英文怎麼說

中文拼音 [xiésǔnhào]
諧波損耗 英文
harmonic loss
  • : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • : Ⅰ動1 (減損; 消耗) consume; cost 2 [方言] (拖延) waste time; dawdle Ⅱ名詞1 (壞的音信或消息) ...
  • 損耗 : 1. (損失消耗) loss; wear and tear; deterioration; waste 2. [商業] wastage; spoilage
  1. Surface transverse wave has the 1. 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1. 6 high frequency than rayleigh type surface acoustic wave ). the paper introduces the theory, design parament, technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave, simple stw ) with low insertion loss, high q and researches the high frequency, low phase noise oscillator with 1ghz stw resonator as frequency element. and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator

    本文研究了以低、高q值聲表面(其中包括聲表面瑞利- - rayleighsurfaceacousticwave ,和聲表面橫等)振器的工作原理、設計參數、製作工藝及其實驗結果,並且研究了以1ghzstw振器為頻控元件的高頻率、低相位噪聲聲表面振蕩器,以及低相位噪聲聲表面振蕩器的測試方法和最終的測試結果。
  2. An algorithm based on the inner structural feature of the 8 - bit single chip microprocessor is presented to perform the space vector modulation, it is high efficiency in voltage - utilizing, low harmonic losses, fast in calculation speed, simple in over - modulation method, high ratio of capability to price

    介紹一種用8位專用單片機內部結構特徵而設計的空間矢量調制演算法,不但具有電壓利用率高、諧波損耗小等優點,還具有計算速度快、過調制處理方法簡潔、性能價格比高等優點。
  3. The design process consisted of computer design by circuit simulation software integrate with electromagnetic simulation software, fabrication of microstrip bpf 、 lpf 、 the match circuits, cavity and test. when rf frequency is 91 ~ 97ghz, lo frequency is 47ghz, power is 10 dbm. the best conversion loss of the 2 and 4 sub - harmonic mixer is 13. 5 db and 23. 5db which is shown in the test

    實測表明,在本振為47ghz ,功率10dbm ,測試射頻帶寬為91ghz 97ghz時,二次與四次分混頻器變頻最優處分別為12 . 7db和23db 。最後對實驗結果進行分析並提出改進措施。
  4. In active section, in order to meet performance of out put power above 10dbm, the power amplifier module of ka - band is fabricated by using hmc283 to achieve the 14db conversion gain. there are five parts that include of waveguide - to - microstrip ? mixer ? filter ? power amplifier and waveguide - to - microstrip. input signal ' s power is 10dbm, after it pass waveguide - to - microstrip, it ' s frequency is escalate from 30ghz to 35ghz

    該組件由五個部分組成:功率為10dbm信號經過導? ?微帶過渡,然後混頻,濾將30ghz提高到35ghz濾除不需要的鏡頻以及三階交調信號,為了彌補混頻濾的變頻,加一級功率放大器,此放大器採用hittle公司hmc283晶元,此上變頻放大組件完成了上變頻?濾?放大功能。
  5. The air - gap harmonic magnetic field and its effect on the iron losses are analyzed ; then the design rules to reduce the harmonics and the iron losses are presented ; at last, the sine or approximate sine air - gap magnetic field is constructed with non - homogenous air - gap, and the non - homogeneous air - gap function is presented

    第三部分對永磁同步電動機的氣隙磁場進行了理論分析和電磁場數值計算,分析了永磁同步電動機氣隙磁場的特點和不同轉子結構尺寸對氣隙的影響,提出了削弱氣隙磁場減小的措施。
  6. This text research the digitalization monitoring method for the medium loss of electric capacitive equipment : the harmony wave analytic approaches, and then adopt the method to test in scene. the result indicate that this method using in the medium loss testing have higher stability and accuracy

    本文研究了電容性設備絕緣介質的數字化監測方法:分析法,並採用分析法在現場進行了測試,結果表明該方法在介測試中具有較高的穩定性和準確性。
  7. Dr is made of microwave ceramic with high dielectric constant and very low loss. using dr, the phase noise of an oscillator could be made to be extremely low

    介質振器( dr )由高介電常數、低的微陶瓷材料製作而成,它能極其容易地實現微頻率源的低相位噪聲。
  8. Multilevel inverter technology is a pop research in high voltage and high - power converting fields. it can synthesize multilevel output with the distribution of dc voltage and the combination of different switching actions to reduce voltage stress across the switches and bulk of the equipment, and lessen output harmonic distortion and switching loss of the inverter

    多電平逆變器是當前高壓大功率電能變換領域中的研究熱點之一,它通過對直流側的分壓和開關動作的不同組合,實現多電平階梯輸出電壓,能有效地減小器件承受的電壓應力,縮小裝置體積,減小輸出電壓和開關
  9. High quality epitaxial sto / ybco multilayers can be fabricated due to their similar crystal structure and small lattice parameters mismatch. the filter made from sto / ybco thin films shows high tunable speed, low microwave loss and high power handling capability. so sto / ybco multilayers have attracted much interests for electronically tunable filter in the last decade

    因此,利用高質量sto / ybco外延薄膜研製的濾器具有響應速度快、微低、調范圍大、承載功率高等優點,是一種極具競爭力的電調濾器技術方案,也是當前的研究熱點和開發重點。
  10. In this part, the high - frequency series inverter with resonant pole capacitor is introduced mainly. the current - exchanging processes of the inverter in different working modes are analyzed, how to reduce the switching loss is discussed, and the calculating methods of snubber capacitor c, factor angle switching frequency and pulse width pw are given in optimum switching process. and results of simulation and experiment verify the validity of theoretic analysis

    接著重點研究了含有振極無緩沖電容的逆變器,對其換流過程中的不同工作狀態進行分析,討論了如何減小逆變器的開關,給出了最佳工作狀態下緩沖電容c 、感性角、開關頻率、觸發脈沖的脈寬pw的詳細計算方法,並通過大量的模擬和實驗形證明了理論分析的正確性。
  11. Influence of harmonics on traction transformers losses

    對牽引變壓器的影響
  12. The electric power harmonic comprehensive control system with low cast and high security is applied in this article. it adopts that sourced compensation links with non - sourced compensation herewhich the former is realized by high frequency pwm control technology and the latter is carried out by crystal switch formed by non - flow and over - voltage. it can realize stepless modulation with imaginary power, mightiness compensation of harmonic and negative electricity, and circuitry consumption debasing are achieved

    提出採用有源補償與無源補償相結合的電力綜合治理技術及裝置,無源部分採用無涌流和過電壓的晶閘管控制電容器技術實現,有源部分採用高頻pwm控制技術實現,成本低、可靠性高、可實現無功功率的無級調節、強力補償電流和負序電流,降低線路
  13. Test items : insertion loss ; disturbance voltages ; radiated electromagnetic disturbances ; harmonic current ( emission )

    電磁兼容檢驗項目:插入;騷擾電壓;輻射電磁騷擾;電流。
  14. We have demonstrated a novel voa based on high birefringence fiber loop mirror, which has many advantageous characteristics such as a simple structure, high flexibility, polarization independence, low insertion loss and low price, etc. experimental proof shows that it is convenient to realize the control of optical power by using this voa

    2 .利用雙折射光纖環鏡設計並製作了一個結構簡單的可調光纖衰減器,具有靈敏度高,偏振無關,低插入和低成本等特性。實驗證明它可以很方便的控制光功率。 3 .提出了一種由布拉格光纖光柵和高雙折射光纖環鏡共同構成長選擇器件的摻鉺光纖激光器。
  15. On the basis of the deep study of the current studying situation of multi - wavelength fiber lasers and its tendency of development, we make clear the significance of the study of multi - wavelength fiber lasers and propose a novel multi - wavelength erbium - doped fiber ring laser at room temperature. in this thesis, firstly, with the rate equation theory, we use analytical methods to deduce the relationships of the lasing wavelength and output power vs erbium - doped fiber length, coupler ratio and intracavity losses. the experimental results show a good agreement with the calculated values

    本文首先從速率方程理論出發,利用解析的方法推導出摻鉺光纖激光器輸出特性參數與摻鉺光纖和耦合器參數之間的定量關系, (如,激光輸出功率、長與摻鉺光纖的長度、摻雜濃度、耦合器耦合比及腔的等參數之間的關系) ;並從實驗上加以分析討論,實驗結論與理論值相吻合;利用改變耦合器的耦合比獲得了幾個nm的長調
  16. People can easily design the hysteresis current control hardware circuit, but the switching frequency is variable which makes us difficult the design the output filter, moreover the output waveform is not good. the space vector modulation techniques, by selecting the zero vector properly, it can reduce the harmonic content of the output voltage, so it has become a popular control method

    滯環電流控制的硬體電路設計簡單,但存在開關頻率不固定,輸出濾器設計困難,輸出形質量差,空間矢量控制( svm )技術具有較高的電壓利用率,且通過對零矢量的合理控制可以降低含量或降低開關,因此是一種較好的控制方法。
  17. However, the waveforms of motor currents are difficult to control. the harmonic components of the current will produce torque pulsation, additional losses and some emi problems

    電壓源方式主迴路比較簡單,但電流形難以控制,且所帶來的轉矩脈動和比較大, emi問題難以解決。
  18. The performance of the electric vehicle is improved greatly in which the harmonic wave of output voltage, power loss and torque pulsation of the system are decreased by controlling the switch angles

    它運用規則采樣法產生正弦脈寬調制,通過開關角的控制抑制逆變器輸出電壓中的分量,降低了電動機的和轉矩脈動,使電動車的運行性能得到了較大改善。
  19. The resonant box effect is the most important. in chapter five, we use the experimental setup constructed and the cavity decay time method to measure the total loss of a passive resonant cavity, and analyse the experimental data in very detail. we conclude that, in present experimental conditions it is the uniformity and stability of laser mirror to confine the precision and repeatability of experimental results

    第五章在建立起了連續光時間衰減法測量裝置的基礎上,進行了無源振腔總的測量,仔細分析了實驗過程中的誤差因素,並指出在目前的實驗條件下限制測量精度和重復性的主要原因是激光鏡片的均勻性和穩定性不理想。
  20. So the emergence of facts is just for the purpose of solving these problems of power system. as a branch of facts, active power filter ( apf ), a new power and electric equipment, its function is to eliminate load harmonic and compensate system line reactive power, damp system surge of node voltage, decrease power waste of system line

    作為facts的一個重要分支- - - -有源濾器( apf ) ,是為了解決系統線路無功功率因數過低以及負載線路過多,從而出現線路大、電源電壓的瞬態動過陡等一系列相關問題而產生的一種新型電力電子裝置。
分享友人