諧波發射 的英文怎麼說
中文拼音 [xiébōfāshè]
諧波發射
英文
harmonic emission-
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Therefore it is the sticking point for solving the problem about separating the duty to find methods by which the customer emission level can be accessed ( the voltage that a customer ' s harmonic current begets at the point of common coupling ) more accurately
由於劃分的依據主要由用戶與電力系統雙方發射的諧波電流在公共聯接點引起的電壓降的比例決定，因此，尋求對用戶諧波發射水平（用戶諧波電流在公共聯接點所引起的電壓降）的準確估計方法，成為了解決責任劃分問題的關鍵。Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters
最後，提出了基於二元線性回歸的用戶諧波發射水平估計方法，該方法在假設公共聯接點諧波發射穩定的情況下，結合系統側戴維南等值與用戶側諾頓等值的電路圖，按照最小二乘法原理，利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程，並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文（ 2003 ）接點產生的電壓降。A high efficiency dual - band rf power amplifier has an output and / or input of a high frequency transistor well terminated at the second harmonic frequency for dual - band operation
本發明乃一種高效率雙頻射頻功率放大器，提供高頻電晶體的輸出端與?或輸入端于雙頻操作中有良好的二階諧波終止。Harmonic interference among antennae is emphasized and the level of the highest and real coupling is computed. we give the real coupling level
算例中主要考慮發射天線的諧波干擾，計算天線間的最大耦合度和實際耦合度並給出了實際耦合度。Methods of measurement on receivers for satellite broadcast transmissions in the 12 ghz band. part 2 : electrical measurements on dbs tuner units
12 ghz波段衛星廣播發射用接收機的測量方法.第2部分:直播系統調諧裝置的電測量Methods of measurements on receivers for satellite broadcast transmission in the 12 ghz band. part 3 : electrical measurements of overall performance of receiver systems comprising an outdoor unit and a dbs tuner unit
12 ghz波段衛星廣播發射用接收機的測量方法.第3部分:包括一臺室外裝置和一臺直播系統調諧裝置的接收系統總性能的電測量In this dissertation, researching from the basic concept of large signal network analysis, we discuss the measurement theory and technology of rf network nonlinearity and the characterization technology of intermodulation distortion in detail, and analyse some nonlinear characteristic excited with a one tone or multi - tone, such as am - am, harmonic distortion, intermodulation distortion, adjacent channel power ratio and how to qualitatively analyse nonlinearity of rf network to make the measurement and calibration
本課題從大信號網路分析的基本概念出發，詳細討論了射頻網路非線性的測量理論和技術以及互調失真表徵技術，分析了在單頻音和多頻音信號激勵下的一些非線性特性，如am - am ， am - pm ，諧波失真，互調失真（ imd ）和臨近通道功率比（ acpr ）等，以及根據包絡域方法定性地分析射頻微波網路的非線性特性，以此來進行射頻網路的非線性測量和校準。By using wavelet transform, the emission of hhg in different time is obtained
利用小波變換，觀察了高次諧波在不同時刻的發射情況。We use the laser output ( 320 nm, 200 fs ) of optical parametric amplifier ( opa ) in < wp = 5 > an active passive mode - locked femtosecond ti - sapphire laser operating at a repetition rate of 1khz as a exciting resource to develop optically pumped stimulated emission of zno thin films. when rectangular stripe laser irradiates thin films, optical resonant cavity is naturally formed between two nanocrystallites along with the rectangular laser stripe and planar weveguide confines the light scattering
利用飛秒激光器作為光泵浦激發光源，研究了氧化鋅薄膜的光泵浦受激發射，當條形光斑輻照薄膜樣品時，將沿著光斑條由氧化鋅納米晶面自然地形成光學諧振腔，由於平面介質波導結構限制光散射，所以成功地觀測到二氧化硅襯底上的納米氧化鋅（ zno ）薄膜的紫外受激發射。This kind of reflectors possessed the advantages of the traditional reflectors and the phased arrays. the reflectarray is made up of lots of resonant elements. when the feed radiate the reflectarray, the reflected wave could be focused at some desired direction owing to the adjustment of each element
這種陣列反射天線具有反射天線和陣列天線共同的優勢，它的基本結構就是由大量的無源諧振單元組成的單屏或多屏周期性陣列，然後由一個饋源照射這個天線，通過調節介質板上每個單元對于入射波的散射相位，使得反射波在特定的方向實現同相位，發射出方向性極強的筆形波束。The applications of organic semiconductor as active layers in light - emitting devices offer several prominent advantages such as high efficiency, high brightness and low cost. another advantage is that the emitting wavelength can be chemically tailored due to the band gap
有機半導體微腔調諧發光器，發射光波長可通過分子設計調節，在紫外到紅外的波長范圍內可調，實現全色光發射，受到人們的重視。The complex resonance frequency underlying in late - time scattering components of a conducting target is independent of waveform and polarization of the incident wave, as well as the direction of the target relative to radar. it is a unique aspect independent quantity so far used to characterize target physical structure and component
目標的后時響應中包含的自然諧振頻率成分（極點） ，不依賴于雷達發射電磁波波形、和其極化形式，與目標對雷達的取向無關，具有目標姿態不敏感性。We got the pl spectrum of zno nanowires using an 806nm fs laser act excited source based nonlinear optical process. the results showed the second harmonic generation ( shg ) phenomenon besides the exciton - exciton collision peak at 388nm, at
實驗中除388nm處的激子-激子碰撞峰之外，還觀測到了二次諧波產生（ shg ）現象，另外在515nm附近觀測到了由氧空位造成的綠光發射峰。We mainly investigate the second kind. linear stability analysis and numerical simulations will be used, and the evolution equation of a nonlinear resonator filled with kerr medium, the mean - field model for a nonlinear resonator filled with two - level atomic medium, second - harmonic generation system ( shg ) with quadratically nonlinear material, complex ginzburg - landau equation ( cgle ), and coupled map lattice model ( cml ) will be considered in this dissertation. the paper can be divided into three parts : pattern formation, pattern selection and control of stc, the synchronization and applications of stc
以含有kerr介質非線性光學諧振腔發展方程、含有二能級原子介質的非線性光學諧振腔平均場方程、含有x ~ 2介質的光學二次諧波產生系統模型、及復金茲伯格?朗道方程和耦合映射模型等動力學系統為例，採用線性穩定性分析及數值實驗方法，研究了斑圖形成、斑圖的選擇和時空混沌的控制、時空混沌的同步及其在保密通信方面的應用等三大部分內容。Hhg is very important in atom physics. two aspects manifest the importance of studying hhg. on the one hand it can accelerate the development of non - perturbation theory ; on the other hand, the emission of hhg may supply a kind of coherent - light of short wavelengh and even be applied to the field of biology
高次諧波在強場原子物理中佔用很重要的位置，對它的研究不僅系統地促進了非微擾理論的建立和發展；而且高次諧波發射將極可能為人們提供設備簡單，費用節省的全相干短波長光源。Under femtosecond pulse excitation at soonm, shg ( second - harmonic - generation ) emission, the two - photon excited photolumines - cence and a broad emission can easily be detected at 402. 0nm, 472. 5nm and 500 ~ 700nm, respectively
研究表明， znse單晶在402lun處產生了二次諧波發射，觀察到472 . 5lun處的雙光子發射峰和位於500一700iun的寬熒光發射。Lamp ballasts - harmonic emission limits - related power quality requirements for lighting equipment
燈鎮流器.諧波發射限值.照明設備的動力質量要求In the paper, many methods of harmonic analysis are described in detail above all, because they are the important means by which the rudimental data that various harmonic emission estimation methods require can be attained, and influence the final results
在本文中，首先對諧波分析的方法進行了詳細敘述，因為對諧波的分析是各類諧波發射水平估計方法所需初始數據的獲得方式，同時也影響最終估計的結果。And then, the statistical methods of customer emission level are introduced in terms of whether they affect power system running or not, and their advantages and shortages are indicated
然後，對現有的各類用戶諧波發射水平的統計方法按照其是否對系統運行的造成影響分兩大類進行了介紹，並分析了各種方法的優缺點。分享友人