The pulse spectrum broadening and dispersion compensation compression phenomenon when focusing the laser pulse into bulk media are experimentally investigated.

实验研究了超强超短飞秒激光脉冲在经过块状介质后的光谱展宽和色散补偿压缩现象。

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We study the sidelobe suppression for the pulse compression of the LFM signal, and analyze the spectrum weighting and the impulse response weighting method.

本文研究了线性调频信号脉冲压缩的旁瓣抑制问题，分析了频谱加权法和冲激响应加权法的原理。对两种方法的谱平滑效果。

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The infrared spectrum of sulfate ligins is distinctly changed after they are sulfonated and modified under an ordinary pressure or a compression.

硫酸盐木素经常压和加压磺化改性后，其红外光谱特征有明显改变。

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More spectrum will be repurposed from other uses, better compression algorithms, more base stations and so on.

FORBES: Why Apple's Profits Might Start Declining Dramatically

The availability of a new compression format to reduce bandwidth, particularly in mobile networks where spectrum is expensive, paves the way for service providers to launch more video services with the currently available spectrum.

ENGADGET: MPEG drafts twice-as-efficient H.265 video standard, sees use in phones as soon as 2013