似穩態流 的英文怎麼說
中文拼音 [sìwěntàiliú]
似穩態流
英文
quasi-steady state flow-
Two different kinds of approximate theories for analyzing colored noise are employed in the nonlinear system. then effects of the colored nature of the noise on the statistical properties of the laser system, the stochastic resonance of bistable system, and the steady - state probability current of quasi - periodic system are investigated
本文主要通過兩種不同的色噪聲近似理論,分析了非線性系統噪聲的有色性對激光系統的統計性質、準周期性系統的定態幾率流和雙穩系統中的隨機共振現象的影響。For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr
本文對于微腔半導體激光器,提出站模型,能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性,利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論;對于電流i噪聲、自發發射壽命_ ( sp )噪聲、自發發射因子噪聲、光子壽命_ p噪聲,以及電流調制、 _ ( sp )調制、調制、 _ p調制,在小信號近似下,得到了相應的激光器的傳遞函數;在大信噪比的前提下,對激光器進行了頻域分析,分別計算了它們在不同參數下的信噪比增益,分析了其抗噪聲性能。Simulated results showed that the position and the evolution process of necks are influenced by tensile strain rates. uniform deformation covers only a small fraction of the total deformation. however, at the steady - like flow stage, restrictions and accommodations between scattered localizations promote large uniform deformation
數值結果表明,頸縮的位置及發展過程受拉伸應變速率影響,完全均勻變形在總變形中實際占份量較小,而似穩流動階段的分散不均勻性的相互牽制與協調,使率敏感材料得以在接近均勻的狀態下經受大的變形。Ph linearization method is employed to solve a nonlinear reynolds equation for a steady state and micro - scale flow field, and the approximate function expressions of gas dynamic pressure and velocity in the spiral groove are obtained
摘要應用ph線性化方法、迭代法,近似求解了螺旋槽內穩態微尺度流動場的非線性雷諾方程,求得了氣體動壓和速度分佈的解析解。This paper is devoted to a detailed investigation of non - steady interaction between the moving body and plasma in compression region, whose dominating equations are obtained and whose phenomena are simulated
文獻[ 12 ]中採用雙流體、雙時標近似,得到了壓縮區內高頻調制場對帶電粒子非穩態作用的控制方程。3 ) the chosen single case turbine is suitable to satisfy the compress rate demand in the project, and if the thimble reheat take the bushing heater as the model, the simple parameter change of the bush and working path can make it reach the demand
3 )經過選型的單級壓氣機可以滿足設計方案中對壓比的要求,其穩態參數也符合設計值;同時,若採用與吸熱器類似的套管式回熱器,則只需要根據實際情況修正套管及工質流道的幾何參數就可以達到設計要求。In this paper, the second chapter introduces the reducing idea of inertial manifolds and approximate inertial manifolds, and discuss th e similarity reduction of ks equation. the third chapter introduces the basical idea and theory of the exact linearization controlling, then use this methods to control chaos of an ordinary differential system chen equation and apply the exact linearization controlling method to control the chaotic behaviours, i. e. controlling the chaotic states to steady states
本文第二章介紹了無窮維動力系統的慣性流形與近似慣性流形的約化思想,並討論了ks方程的直接約化方法。第三章介紹了精確線性化控制方法的基本思想和理論根據,並應用精確線性化控制方法對具有典型混沌動力學行為和性質的一個常微分系統chen方程進行混沌控制,將chen方程的混沌狀態控制為穩定狀態。The fourth chapter applies the exact linearization controlling method to control the approximate inertial manifolds of a partial differential system ks equation. this method can control the chaotic states into steady states and also can control the steady states into circle solutions. the chen equation and ks equation both have typical dynamical behavior and dynamical character
第四章中應用精確線性化控制方法對無窮維動力系統ks方程的近似慣性流形進行混沌控制,可以將傳統近似慣性流形下的混沌狀態控制為穩定狀態,也可以將穩定近似慣性流形下的穩定狀態控制為周期解。In this paper, we consider several classes of common ecological models such as predator prey model and epidemic model, and obtain uniform persistence and stability of the solution or the periodic solution by constructing appropriate lyapunov functional and using eigenvalue analysis to model ' s linear similar system at the equilibrium
本文所研究的問題涉及到生態系統中有關捕食-被捕食系統、流行病模型等幾個常見的生態模型的定性分析,所採用的研究方法是通過構造合適的lyapunov泛函以及對模型的線性近似系統在其平衡態處的特徵根分析,獲得模型解或正周期解的一致持久和穩定的漸近性質。分享友人