In this paper, we describe the development of a mobile butterfly-watching learning (BWL) system to realize outdoor independent learning for mobile learners. The mobile butterfly-watching learning system was designed

In this paper, we describe the development of a mobile butterfly-watching learning (BWL) system to realize outdoor independent learning for mobile learners. The mobile butterfly-watching learning system was designed

FFT蝶形运算单元程序，可用于OFDM,以及任何相关数字信号处理的设计中-FFT butterfly processor program can be used in OFDM, as well as any relevant design of digital signal processing