...学报（自然科学版、英文版） 关键字: 三次多项式系统;奇点量;无穷远点;极限环分支[gap=908]Key words: cubic polynomial system; singular point value; infinity; bifurcation of limit cycles..
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Studied in this paper are center conditions and bifurcation of limit cycles from the equator for a class of cubic polynomial system.
本文研究了一类三次系统无穷远点的中心条件与赤道极限环分枝问题。
The system function tests are carried on with examples of Trapezoidal and cubic polynomial trajectory. The test results show that the control system described has feasibility and effectiveness.
以梯形和三次多项式轨迹为例，进行了系统功能测试，测试结果表明了所述控制系统的可行性和有效性。
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