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- Passively mode-locked fiber laser and the application in optical frequency metrology were introduced. 摘要本文介绍被动锁模光纤激光的架构,以及在光频量测的应用。
- Time and frequency metrology is unique in that standards and measurements can be shared globally through various broadcasts: Radio broadcasts, GPS, Internet, etc. 时间频率计量学是非常独特的:利用各种广播技术,诸如无线电广播、GPS和以太网,可以在全球范围共享标准和计量。
- High-resolution measurements were the domain of specialists in precision spectroscopy and optical frequency metrology, wherein highly stable CW lasers reigned as the preferred tools. 高解析度测量是精细光谱及光频度量衡专家的专长,他们比较喜欢用高稳定度的CW雷射。
- SCG has applications in areas of optical communications, frequency metrology, medical images, and so on.The mechanism of SCG is still under investigation because too many effects are involved. 超连续光谱在光通讯,频率量测和生医影像都有重要的应用,但它产生的机制太过复杂仍停留在研究的阶段。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- frequency metrology 频率计量学
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- He manipulated the frequency dial of the radio. 他开始调拨频率键盘。
- The pitch depends on the frequency. 音调的高低是由频率决定的。
- The resulting frequency varies by a few percent. 最终频率有少许变动。
- I am majored in audio frequency amplifier. 我主修音频放大器。
- Small dissipation factor at high frequency. 高的频率和小的损耗因素.
- Spread the palpitate frequency love till ending. 循着心跳的频率爱到永不分离。
- Wave speed equals frequency times wavelength. 波速等于频率乘以波长。
- As she moved up in frequency, her ascension began. 当她频率增加时,她的提升也就开始。
- Fast frequency hopping avoids interference. 快速跳频避免干扰。