Particle Swarm Optimization as a Swarm Intelligence algorithm, has strong global search capability, can be used for training neural network to overcome the defect of BP algorithm.

然而在粒子群优化算法中，早熟现象时有发生，从而制约了算法的性能。

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Aiming at the stagnation exists in the cooperative particle swarm optimization, presents a new kind of the cooperative particle swarm optimization algorithm based on particles spatial extension.

针对协同微粒群优化存在的停滞现象，提出了一种新的基于粒子空间扩展的协同微粒群优化算法。

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On the basis of analyzing the particle swarm optimization and introducing the idea of sub-swarms, a particle swarm optimization algorithm with dynamic sub-swarms (DPSO) is proposed.

在分析基本微粒群优化算法的基础上，引进分群思想，提出了一种动态分群的微粒群优化算法(DPSO)。

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This encouraging trend was quickly overshadowed, starting in the mid-1980s, by a new swarm of teenagers caught up in a new sort of depravity: the craze for crack cocaine.

ECONOMIST: Defeating the bad guys

Khan's punishing jab comes in a flash and he can unleash a swarm of stinging blows in a nanosecond.

WSJ: Boxing Braces for the Wrath of Amir Khan

He says he had a long conversation with Snabe from outside a hotel on the big island of Hawaii, standing near a dumpster surrounded by a swarm of bees.

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