色散波 的英文怎麼說
中文拼音 [shǎisǎnbō]
色散波
英文
dispersive wave-
As the experimental realization of achromatic wave plates is somewhat the same as that of pif, this thesis will not discuss it
消色散波片的實驗實現與pif基本相同,不再贅述。The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar
電離層是隨機時變,各向異性,非均勻、色散的復雜介質。為了保證依賴于電離層進行的短波通信質量,必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的狀態,對短波通信和天波雷達工作起了重要的輔助作用。Much data can be obtained by measuring the dispersion of cosmic radio waves passing near the sun.
測定穿過太陽附近的宇宙射電波的色散度也可以獲得許多資料。A note on - dimensional dispersive long wave equation
維色散的長波方程求解的一個注記X - ray wave length dispersive spectrometer, x
射線波長色散譜儀Analysis on dispersion characteristics of fresnel waveguides
菲涅耳波導的波導色散特性分析Once the wavelength approaches the intermolecular distance, the specific dispersion relation becomes important
一旦波長接近分子間的距離時,各自特定的色散關系就變得重要了。Variational analysis of dispersion characteristics in disk - loaded waveguide slow - wave structures
盤荷波導慢波結構色散特性的變分分析Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath
在短波通信中,由於通道的時間色散和頻率色散,引起多徑展寬和多徑衰落,前者限制了數據的傳輸速率,後者造成短波數據通信中出現突發錯誤,為了解決多徑效應對短波通信的影響,本文所做工作如下:首先詳細分析了短波通道的統計特性,建立其數學模型;其次分析了擴頻通信的特點,從理論上證明擴頻技術不僅具有抗多徑干擾能力,而且具有分離多徑的能力;介紹了傳統的rake分集合併技術的特點。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind
研究結果表明, ( a )熱處理前,隨著基片溫度的增加,薄膜中的低價氧化鈦含量逐漸減少,化學計量比趨于o ti = 2 ;薄膜具有非晶態不緻密的柱狀纖維結構,柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明,在波長為35onzn時嚴重吸收,利用干涉級次法分析了薄膜的光學常數,結果表明,薄膜的折射率隨基片溫度的升高而增加,根據計算結果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。Chapter 6 discusses the designing method of achromatic wave plates, which is an expansion of the design method of pif
第六章給出消色散位相波片的設計方法。這種波片的設計方法是pif設計方法的一個推廣。The objective of pif is to realize a certain distribution of interference spectrum, while that of the achromatic wave plate is to realize the retardation by using several crystals to modulate the input beam
Pif是要實現一定的干涉光譜分佈;消色散波片則是要通過多塊晶體對入射光的調制實現一定的位相延遲。Zero material dispersion wavelength
零材料色散波長Material dispersion wavelength
材料色散波長Zero dispersion wavelength
零色散波長Propagation of spectra affected by third - order dispersion in dispersion - decreasing fiber near zero dispersion wavelengths was studied by means of numerical simulation
摘要為探討三階色散對脈沖傳播的意義,用數值模擬的方法討論了在色散緩變光纖中零色散波長附近三階色散對脈沖頻譜演變的影響。It is more suitable for the broader sc spectrum generation when the dispersion curve of the fiber is flatter and distance between the two zero - dispersion wavelengths of the fiber is farther from each other
光纖的色散曲線越平坦,色散曲線的兩個零色散波長相距就越遠,也越有利於超連續譜的展寬。Magnetostatic wave ( msw ) is a kind of slow dispersive wave propagating in magnetic medium, which is also a microwave electromagnetic wave. so the propagation characteristics of msw can be controlled by bias magnetic fields
靜磁波( msw )是一種在磁性介質中傳播的慢色散波,也是一種微波電磁波,可通過磁控方法改變靜磁波的傳播特性,並與具有電磁性的物質發生作用。The main contents are as follows : ( 1 ) by employing the direct method, the soliton periodic amplification system in optical fiber link with loss is considered, and the adiabatic solution ( slowly varying portion ) and first - order correction ( rapidly varying portion ) for a single soliton case are presented
本文的主要內容如下: ( 1 )利用直接擾動方法對周期放大系統進行了理論分析,給出孤子周期放大系統的絕熱近似解和一級修正解的積分表達式,結果分析表明孤子在放大過程中一部分能量以色散波的形式流失,而這一色散波主要由孤子周期放大系統的一級修正解來刻畫。分享友人