Application of particle swarm optimization (PSO) to single-snapshot direction of arrival (DOA) estimation

声波在二维各向同性介质中的传播波场，包括波长快照和在地面接收到的波形图。-Acoustic waves in two-dimensional wave propagation in isotropic media field, including the wavelength and on the ground receives a snapshot of the waveform.

ALICE问答系统的aiml格式对话语料，比较全的英文问答系统语料，供大家研究使用，可翻译成中文，参考设计中文问答系统。-aiml format dialog data ALICE question answering system, comparison of the whole corpus of English question answering system for everyone to use, can be translated into Chinese, reference d