ID |
原文 |
译文 |
12614 |
无线电气象学随着电波传播、气象和相关信息技术的发展而不断取得新的研究进展,为电波传播的更可靠预测和无线电系统的应用提供了可靠的数据和机理支撑。 |
With the development of radio wave propagation, meteorology and related information scence and technology, radio meteorology has continuously made new research progress which have provided more reliable data and mechanism support for the more reiabe prediction of radio wave propagation and the appication of radio systems. |
12615 |
本文对全球数字地图、无线电参数遥感和短期预报等方面的研究进展进行了综合论述,并对无线电气象相关方向的发展给予了展望。 |
This paper comprehensively discusses the research progress in global digital mapping, radio parameter remote sens ng and short-term forecasting, and gives a prospect for the development of the related directons in radio meteorology. |
12616 |
远海悬空波导陷获层底的位置通常与边界层浅云的云顶有很好的对应,气溶胶与边界层浅云的相互作用及其产生的辐射强迫将改变悬空波导的结构。 |
The bottom of the trapping layer of elevated ducts in the open sea usually corresponds well to the top of boundary-layer shallow clouds. The interaction between the aerosol and boundary-layer shallow clouds and resulting radiative forcing will change the structure of elevated ducts. |
12617 |
文中利用天气预报6化学(weather research and forecasting-chemistry,WRF-Chem)模式通过设计不包含完整气溶胶-云6辐射的EXP0试验(相当于WRF 模式)和包含完整气溶胶-云6辐射相互作用(即气溶胶直接和间接效应)的EXP1试验!对$016年5月观测到的一次珍贵的远海高压型超强悬空波导过程进行了模拟分析。 |
In this paper, we simulated and analyzed a valuable elevated duct process assocated with high-pressure in the open sea observed in $016 using the weather research and forecasting-chemistry (WRF-Chem) model. Two experiments without (EXP0, equivalent to the weather research and forecasting (WRF) model) and with the complete aerosol -cloud - radiation interactions ( EXP 1 ) were designed. |
12618 |
结果表明:远海高压天气形势下,EXP1试验模拟的由气溶胶活化后形成的云滴数浓度比EXP0试验云滴数浓度预设常值(100个cm-3)偏低;当伴随边界层浅云出现时,EXP1试验模拟的波导顶高和强度较EXP0试验更接近于实测%夜间进行的3次观测位于高压中心附近的无云区,此时气溶胶的直接和间接效应均可忽略,因此两组试验模拟的差异极小。 |
The results show that cloud droplet A 1 060 nm single lateral mode semiconductor laser with InGaAs / GaAsP strain compensated quantum well structure was fabricated and the epitaxial growth was achieved by metal organic chemical vapor deposition ( MOCVD) . |
12619 |
研制了一款基于InGaAs/GaAsP应变补偿量子阱结构的1 060 nm单横模半导体激光 器,并采用金属有机物化学气相沉积(MOCVD)方法实现了外延生长。使用张应变的GaAsP势 垒层对量子阱的应变进行补偿,并优化了 MOCVD外延生长条件。 |
The strain of the quantum well was compensated by using a tensile strain GaAsP barrier layer, and the epitaxial growth conditions of the MOCVD were optimized. |
12620 |
所制备的单横模激光器的脊宽 为4呻,腔长为2 mm, 25 m时测得其阈值电流为23 mA,最大斜率效率为1 W/A,直流电流为 500 mA时光功率为437 mW。 |
The ridgewaveguide laser with 4 |xm width and 2 mm cavity length exhibits threshold current of 23 mA, maximum slope efficiency of 1 W/A at 25 °C, and a light power of 437 mW under CW driver current of 500 mA. |
12621 |
脉冲驱动时,器件最高输出功率达到1.2W,并未发生腔面光学灾 变损伤失效。 |
The maximum output power of the device under pulse driver is up to 1. 2 W without abrupt failure related to catastrophic optical mirror damage. |
12622 |
器件快慢轴发散角分别为46.3。和7.4。,65。时,器件的输出功率为270 mW。采 用高温加速老化试验对器件的可靠性进行了评估,试验器件在3 150 h内未发生失效,功率缓慢 退化速率为5x10i6 h"1。 |
The fast and slow axes divergence angles of the device are 46. 3。 and 7. 4。,respectively, and the output power of the device is 270 mW at 65 C. The reliability of the device was evaluated by the high temperature accelerated aging test,the test devices have no failure within 3 150 h and the degradation rate of the power is 5x10-6 h-1. |
12623 |
分析了界面态对硅无结纳米线晶体管(JNT)亚阈值摆幅和电导率的影响,并详细总结了化学钝化硅纳米线界面态的方法以及对器件性能的影响。 |
The influences of interface states on the subthreshold swing and conductivity of silicon junctionless nanowire transistors (JNTs) were analyzed. The chemical passivation methods of interface states of silicon nanowires and the influence on the device performance were summarized in detail. |