中英
1
quadratic system中文是什么意思
- 中文翻譯
- 造句
- 四方晶系
- 正方晶系
- quadratic adj. 1.【數(shù)學(xué)】二次的。 2.方形的。 n. 1. ...
- system n. 1.體系，系統(tǒng)；分類法；組織；設(shè)備，裝置。 2.方 ...
- quadratic dynamical discrete system 二次動態(tài)離散系統(tǒng)
- quadratic adj. 1.【數(shù)學(xué)】二次的。 2.方形的。 n. 1.【數(shù)學(xué)】二次方程式；二次項。 2.〔pl. 作單數(shù)用〕【數(shù)學(xué)】二次方程式論。
- complete quadratic 全二次方程
- piecewise quadratic 分段平方的
- quadratic approximation 二次逼近
- quadratic average 二次平均
- quadratic code 二次碼
- quadratic component 二次方項; 二次分子; 二次諧波; 平方分量
- quadratic computer 平方提前量計算器
- quadratic congruence 二次線匯
- quadratic constraints 二次約束
- quadratic convergence 二次收斂; 二階收斂性
- quadratic criterion 二次準則
- quadratic curvature 二次曲率
- quadratic curve 二次方曲線; 二次曲線
- quadratic damping 按平方律衰減; 平方型阻尼; 平方阻尼
- quadratic dependence 平方關(guān)系
- quadratic detection 平方律檢波
- quadratic detector 平方律檢波器
- quadratic differential 二次徽分; 二次微分
- quadratic discriminant 二次方程判別式
- quadratic discriminator 二次判別器
- quadratic distortion 二次方畸變
- Creation and disappearance of limit cycles in quadratic system
0類二次系統(tǒng)極限環(huán)的產(chǎn)生與消失 - Limit cycle problem of quadratic system n
0的極限環(huán)問題 - The planar quadratic system with an invariant cubic curve has at most one limit cycle
類方程的極限環(huán)存在性的注記 - Sufficient and necessary conditions of existence of limit cycle for one kind quadratic system
一類二次系統(tǒng)極限環(huán)存在的充要條件 - On the reflective function and the periodic solution of the second order differential quadratic systems
二次微分系統(tǒng)的反射函數(shù)及其周期解 - The first 3 focus quantities and the first 3 saddle quantities are derived simply and quickly with the formulas for real planar quadratic systems
利用這一公式我們極其簡捷地推導(dǎo)出二次系統(tǒng)的前三個焦點量和鞍點量公式。 - At the end of this paper we talk about the question of the maximal number of limit cycles in quadratic system and some applied uses in ecological circumstances
在本文的最后略為涉及hilbert第十六問題中的極限環(huán)的個數(shù)問題及其在生態(tài)環(huán)境上的應(yīng)用。 - The results prove that df could simplify the solve process and its shortcoming of restriction in approximately denotation , frequency unitary 1 and inapplicability in more commonly quadratic system are also shown at the same time
結(jié)果證明：使用描述函數(shù)法能夠簡化該問題的求解，但也暴露出其存在著近似表示，頻率歸1以及更一般二階系統(tǒng)不適用等方面的局限和不足。 - By using the known results of type quadratic system , we analyse thecreation and disappearance of limit cycles for type system as a = 0 , and obtainsome new topological structures of phase - portraits , which do not appear for type system
利用關(guān)于類二次系統(tǒng)的已知結(jié)果,在此文中我們系統(tǒng)分析了類二次系統(tǒng)當(dāng)= 0時其極限環(huán)的產(chǎn)生與消失的整個過程,并給出了一些新的拓撲結(jié)構(gòu)變化,它們在類系統(tǒng)中是不會出現(xiàn)的 - In this paper we will prove that quadratic system has at most finitely limit cycles . bamon claimed that he had finished the demonstration of the finiteness of limit cycles , but he used il ' yashenko theorem , which involves some knowledge of complex domain , so it is the main idea to give il ' yashenko theorem an elementary proof in this paper
本文將用純初等方法研究二次系統(tǒng)極限環(huán)的有限性，雖然bamon宣布已經(jīng)完成了二次系統(tǒng)極限環(huán)的有限性證明，但其證明過程中用到了涉及復(fù)域的il ' yashenko定理，從而給il ' yashenko定理一個初等的證明是本文的主要思想。
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