超宽带(uwb)通信通过传输能量极低的极短脉冲和占用超大带宽来完成短距离的高速通信。
Ultra Wideband (UWB) system is an attractive high speed wireless communication scheme for short range communication. It transmits extremely short pulses, which occupy ultra wide band.
研制了一种新型的火焰温度和水蒸气浓度测量装置，可实现极短脉冲高速火焰的测量，并对煤油喷灯火焰进行了测量实验。
Experiments for measuring the kerosene flame with the device show that the temperature and water vapor concentration in kerosene flame are not stable.
Freude教授和他的同事相反正在努力使用一种激光通过极短的脉冲来达到类似的传输速率。
Professor Freude and his colleagues have instead worked out how to create comparable data rates using just one laser with exceedingly short pulses.
各峰值相互为基础来产生极短的光脉冲，每个脉冲都包含多种频率(见下图)。
The peaks build on each other to form very short, bright bursts of light, each containing many different frequencies (see graphic below).
而不同的是，这次并不是寻找明确的窄带信号，软件会搜寻来自恒星的极短的宽频带扫射，或“脉冲”。
The difference is that this time, instead of looking for clear narrow-band transmissions, the software will search for extremely short broad-band bursts, or "pulses, " coming from the stars.
超短脉冲激光照射固体靶时可将其能量在极短的时间内沉积在靶表面一个极小的空间范围内，在固体靶表面产生固体密度的等离子体。
Differing from the long pulse laser the ultra short laser will deposit its energy on the surface of the solid target in very short time and produce solid dense plasmas.
超短光脉冲作为极短的时间探针在化学、生物学、医学、物理学、等离子体物理等各个领域已成为重要的研究工具。
The ultrashort pulse has become an important research tool in chemistry, biology, physics, plasma physics and other fields, in which the ultrashort pulse is used as a very short period of time probe.
超短光脉冲作为极短的时间探针在化学、生物学、医学、物理学、等离子体物理等各个领域已成为重要的研究工具。
The ultrashort pulse has become an important research tool in chemistry, biology, physics, plasma physics and other fields, in which the ultrashort pulse is used as a very short period of time probe.
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