调谐

Absolute Frequency Stabilization of Diode-laser-pumped Nd:YAG Lasers to Hyperfine Transitions in Molecular Iodine. Opt Letters 1992; 17: 1204

我们认为，P(52)32-0完全可能成为未来的国际推荐谱线，在532nm Nd：YVO4/KTP倍频激光的调谐范围内使用。

Molecular iodine has rich strong absorption lines near 532 nm that can provide the absolute references for frequency stabilization. A monolith solid laser was tuned at the spectrum of transition R (56) 32-0 of iodine molecule with new modulation frequency 375 kHz.

使用532 nm单块固体激光器，在375 kHz新的调制频率下，利用调制转移技术，将激光频率调谐到127I2的R(56)32-0跃迁的吸收谱线，并观察到该吸收谱线相应的15条超精细结构分量。

Especially, more attention is paid to the blocking performance of the router with limited wavelength convertible capability. And it is seen by the numerical computing that low conversion degree of the wavelength converter is more realistic to construct a wavelength router system with accurately tunable devices not used, not only switching time is to be minished, but also the complexity of carrying out in engineering is reduced.

尤其在受限波长转换条件下的配置优化分析，可看出波长路由器无需可调谐器件，也能获得灵活的波长转换能力，不但可避免波长路由器因为精确调谐所开销的时间，而且所有的控制均为简单的开关控制，可降低工程实现的复杂度。

The dissertation is concentrating on the topic of a high power, tunable, millimeter wave free electron laser. The tunable ability of the mm wave FEL is studied. FEL powers are improved by novel variable parameter wigglers. A high brightness electron beam is achieved for FEL. These technologies are very important for realization of high power compact free electron lasers.

本博士论文围绕高功率可调谐毫米波自由电子激光器的研究主题，研究毫米波自由电子激光的调谐特性，用新型磁场逐渐增强的摇摆器等手段提高自由电子激光的效率，研究体积小的高亮度电子束源用于自由电子激光，为研制新一代小型化高功率自由电子激光器提供关键技术。

The analysis included the principal of oscillator , the selection of the topology, the characteristic of some frequently-used LC VCOs and some design tips on designing inductors and varactors, the model of phase noise of Leeson and Hajimiri ,estimation of phase noise ,etc.

然后论文对开关电容调谐的LC VCO设计理论进行了详细的分析，包括振荡器工作原理、VCO性能指标、VCO常用结构、片上电感和变容管的相关理论、开关电容调谐理论、Leeson和Hajimiri相位噪声模型，相位噪声估计等。

Piano-tuner organizations with impressive websites do not know how many piano tuners there are in the world.

钢琴调谐器组织令人印象深刻的网站不知道有多少钢琴调谐器，世界上有。

Lines of tunable output are obtained, the energy of 18 lines is more than 10 J. In the rapidly trigging experiment, the tunable outputs of two random lines among the whole CO2 laser spectrum and two adjacent lines in the same transition band are realized respectively in 60 ms and 20 ms.

实验共得到85条调谐输出谱线，单脉冲能量超过10 J的有18条谱线；在动态快速触发情况下，分别在60 ms和20 ms内实现了整个CO2激光光谱范围任意两条谱线和同一个跃迁带内相邻两条谱线的快速调谐输出。

RF coil tuning and matching is very important for performance of magnetic resonant imaging facility.

射频线圈的调谐和匹配在射频线圈的设计过程中极为重要。快速稳定的调谐匹配对核磁共振成像系统的性能以及最后的图像质量都有重要影响。

Based on the detailed analysis of the various automatic tuning principle of the arc-suppression coil, a tuning method of the magnetic bias ASC is acquired.

在对消弧线圈的各种自动调谐原理系统分析的基础上，确定了适用于偏磁式消弧线圈的调谐方法。

In the same experimental condition, three 5-at% Yb3+-doped crystals were tuned using one fused quartz. The range of their tunable wavelengths are 70 nm,66 nm and 74 nm, respectively.

三块掺杂率均为5%的Yb3+激光晶体Yb：LSO、Yb：GSO和Yb：GYSO在完全相同的实验条件下由同一块熔融石英棱镜实现了可调谐激光的输出，调谐范围分别为70 nm、66 nm和74 nm。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。