讨论了解析函数子族的积分变换，相应地给出了一类近于凸积分算子的某些结果。
In this paper, integral transforms of functions belong tot he class are investigated, some results of a close to convex integral operator are given as well.
该文提出了一类基于反激变换器的单级不间断高功率因数直流开关电源电路结构与拓扑族。
Novel circuit structure and topologies of single-stage DC switching power supplies with uninterruptible power supply and high power factor, based on flyback converter, are proposed.
文中利用并元变换的不进位性质，给出了一种构造最佳周期互补二元序列偶族的新方法。
By taking advantage of the characters of dyadic theory, a new method for constructing families of perfect periodic complementary binary sequences pairs (PCSPF) is proposed.
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