諧波的 的英文怎麼說
中文拼音 [xiébōde]
諧波的
英文
harmonical-
The theory of wilkinson power combiner and ratrace coupler is analyzed by using the odd - even mode method in this thesis. on the basis of the theoretical analysis, we designed and tested the wilkinson power divider, the modified wilkinson power divider and ratrace coupler, good agreement is observed. in addition we propose a power combiner based on a waveguide - to - microstrip transition using antipodal finlines. this structure united the two functions of transition and equal power division, it can not only be used in the circuit power combiner but also be used in spatial power combiner
另外提出一種基於鰭線波導微帶過渡功分器,該結構將過渡與功分兩種功能完全結合,不但可以用於電路合成式功率合成,也可用於空間功率合成中。對功率合成器,其主要指標是輸出功率和效率,其中提高輸出功率和效率的一個方法是在輸出端抑制諧波,主要是對二次諧波的抑制。We have stated a rule for consonance in terms of the coincidence of harmonics.
我們已經敘述了用諧波的符合來表示諧合的規則。The high resolution and fast processing give xitron power analyzers the unique capability to perform complete iec - 1000 - 3 testing in a stand alone fashion. the user can select a simple pass fail type display, or report all harmonics per iec1000 - 3 - 2 for each of the individual classes
高解析度與快速處理使xitron功率分析儀能進行完整的iec1000 - 3測試,用戶可選取簡單的合格不合格顯示,或根據iec - 3 - 2標準記錄全部諧波的個別內容Abstract : temporal properties of the second - ordre process with a chirped incident pulse are theoretically calculated. the chirp influences the irradiance and the pulse shape of the second harmonic wave with large phase mismatch. the phase distortion of all three waves is dependent more strongly on the chirp than on the phase mismatch
文摘:討論了在大相位失諧下,基波為頻率啁啾脈沖的二次諧波產生過程,結果表明選取合適的啁啾參量可以使二次諧波的光強提高,但同時會使其波形和相位發生變化.三波相位的畸變主要取決于入射的基波啁啾脈沖,而與相位匹配的失諧量關系不大Thirdly, multimode - coupling phenomena in cylindrical geometry was analyzed by the simulation. the growth of every mode and its harmonic was qualitatively compared well with the solutions of mode - coupling equation. fourthly, the rt instability in cylindrical and spherical geometries was calculated during an implosion
第三,利用lared一s程序模擬柱幾何中rt不穩定性的多模禍合問題,對各個模及其高次諧波的變化進行了分析,並且與模藕合方程的解定性地進行比較,結果符合得較好。High voltage shunt capacitor installation is comp - rised of capacitor cabinets or steel racks capacitor, special fuses for capacitor overload protection, capaci - tor discharge device, air - cored reactor which is applied to restrain surge current and high frequency harmonic, zno arrester without gaps for overvoltage - limiting and high voltage vacuum switch etc. capacitor cabinet is
高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置專用放電線圈或電壓互感器,抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關It is discussed that the present harmonic analyzers do n ' t satisfy the requirements of china standard for harmonic measure of quick disturbance harmonic load. the measurement error brought about by the harmonic analyzers adopting ft or fft algorithm is analyzed. a cycle discrete fourier algorithm that should n ' t be effected by aperiodic component is presented, and the results of simulation show that it has higher accureacy
本文對電力系統諧波的測量方法,數據處理及電力牽引負荷對電力系統的影響進行了研究,論述了目前國內外生產的諧波分析儀用於快速波動諧波負荷的測量不滿足國標的要求,分析了諧波分析儀普遍採用的ft或fft演算法所產生的測量誤差,提出了一種不受非周期分量影響的全周波離散傅里葉演算法,模擬結果表明精度好。But, the measured - data is a very great quantity and every data contain all data of 1 - 25 harmonic, measured time can have hours to days. the count by hand is very heavy and over - elaborate, sometimes the statistics results is error. it won " t reach the analysis purpose and don " t obtain the curve of harmonic oscillation characteristic in a row frequency range
可是,測試數據經常是大量的,每一組數據又包含從基波到25次諧波的所有數據,測試時間可能是幾個小時,有的甚至是幾天時間,這樣的工作量由人工完成是非常繁重的,又是非常繁瑣的,有時還統計不出正確的數值,起不到應有的測試分析目的,更無法獲得連續頻域內的諧波諧振特性曲線。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諧波磁場的特點和不同轉子結構尺寸對氣隙諧波的影響,提出了削弱氣隙諧波磁場減小損耗的措施。Because of the spectral line splitting of the burg algorithm, the recursive algorithm of the ar model, we choice the hamming weighted burg algorithm in this paper. the modified burg algorithm can weaken the spectral line splitting effectively. however, the ar model can ’ t gain the phase of the inter - harmonics
由於ar模型的遞推演算法burg演算法存在譜線分裂現象,文中選擇使用hamming窗加權的burg演算法來遞推ar模型,修正後的burg演算法明顯減輕了譜線分裂現象,具有較好的抗噪聲能力,但無法得到間諧波的相位信息。My template will be stored in spurious harmonics in the shadow - spheres and replicated across the strandspace, until the formation of subwavelets at 10 to the - 30 seconds
我的模版會以雜散諧波的狀態儲存在暗球體內,並在緩沖空間內復制,直到亞微波結構穩定在10至負30秒的時候。In addition, the time - width of pulse also influences hhg. to some extent the spectrum of hhg will become be tter when the time is prolonged
另外,激光脈沖時間的長短也會影響到高次諧波的性質,在一定范圍內,隨著脈沖時間的加長,電離率逐漸增大,譜線結構也越來越明顯。Second harmonic is generated by 532nm fundamental wave on clbo, and the harmonic pulse is plotted along with the clbo crystal length
以波長為532nm基波為例,數值模擬了經過不同長度的clbo晶體后諧波的脈沖波形,及脈沖寬度隨晶體長度的變化。High voltage shunt capacitor installation is comprised of capacitor cabinets or steel racks capacitor, spe - cial fuses for capacitor overload protection, capacitor discharge device, air - cored reactor which is applied to restrain surge current and high freq. harmonic, zno arrester without gaps for overvolage - limiting and high voltage vacuum switch etc. capacitor cabinet is made of highquality cold - rolling steel plate
高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關等設備組成。This paper does simulation analysis of this model, especially emphasizes on harmonic analysis of the power grid. and some changing rules and influencing factors of this vector operation system are deduced
對該模型進行了模擬分析,並著重對交-交變頻同步機系統注入電網諧波進行了研究,得出交-交變頻同步電機系統運行時諧波的一些變化規律及其影響因素。Besed on the circuit, electromagnetism and electric power electronics theories, we have done some theory research on the harmonics induced by thyristor commutate circuits of ac - dc locomotive, surge electromagnetism process. we calculate the theory content of harmonics using the fourier arithmetic under thyristor commutate and surge electrmagnetism process
論文根據電力機車類型的不同,運用電路、電磁場和電力電子學理論研究了交?直型電力機車相控整流時諧波的產生機理、勵磁涌流的電磁過程,並對晶閘管相控整流和勵磁涌流時的理論諧波含量進行了傅里葉分析。It was concluded that the first sixteen harmonics of the fourier descriptor were enough to represent the primary shape of pear, and the shape identification accuracy could reach 90 % by applying the fourier descriptor in combination with artificial neural network
研究發現該傅立葉描述子的前16個諧波的變化特性足以代表梨體的主要形狀,採用傅立葉描述子與人工神經網路相結合的方法進行果形識別的精確率可達90 % 。Abstract : applying the frequency - domain representation of the complex signals in a three - phase system, a harmonic detection method based on the in - phase correlation filtering was put forward in this paper, which can be used to detect effectively the generalized harmonics in the three - phase system except the fundamental of positive sequence
文摘:採用三相系統復信號的頻域表示並根據頻譜搬移原理,本文提出了一種基於同步相關濾波的諧波檢測方法,可用於三相電路中除正序基波以外廣義諧波的有效檢測。A study on the proposed scanlan linearity has discovered that if the self - excited loads and movement of the model and velocity constitute a linear relationship, and the model vibration accounts for a sine function of the frequency, the rate of the high - order harmonic waves should be quite small
考查了scanlan的線性假定:如果自激力與模型運動的位移、速度成線性關系,模型振動是某一頻率的正弦函數,那麼相應的自激力也應是這一頻率的正弦函數,高次諧波的分量應極小。Many experts and researchers have made great efforts in a long time. this paper is from the study of theory, analysis the particularity of electrical tractor loads
本文從理論探討的角度出發,深入了解了國內外對電牽引系統多諧波源隨機諧波電流疊加問題的動態,分析了電牽引負荷諧波的分佈特性。分享友人