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- 能energy
- 初始声能分布initial energy distribution
- 不能cannot
- 但PWM在轻载时效率较低,而PFM由于频谱分布随机,不利于后续滤波器的设计。However, the efficiency of PWM at light load is low and the filter design of PFM is rather difficult due to the random characteristic of the frequency spectrum distribution.
- 声noise
- 分布distributed
- 才能talent
- 在分析定频、周期扩频和混沌PWM频谱分布基础上,深入探讨了开关变换器混沌PWM抑制EMI的机理和特点。Based on analysis of the spectrum of constant frequency PWM, periodical frequency-spreading PWM and chaotic frequency-spreading PWM, mechanism and characters of the chaotic PWM of converter for EMI suppressing were discussed.
- 只能not having any other choice; obliged to do sth
- 大声loudly
- 声能辐射的sound energy radiated
- 频谱frequency spectrum
- 有声读物talking book
- 原声original sound
- 能干capable
- 均匀分布homogeneous distribution
- 声卡sound card
- 本文提出了一种与JPEG标准完全兼容的医用内窥镜图像自适应量化压缩编码方法 ,该方法采用二次扫描的措施 ,根据原始图像的频谱分布特点 ,自适应地修正JPEG推荐的量化表。An adaptive quantization coding method, completely compatible with the JPEG standard, was developed for compression of medical endoscope image. Double scanning were employed and quantization tables, recommended by JPEG, were modified according to frequency distribution characteristics of original image.
- 不能不cannot but
- 有声sound