1) frequency (mode) alternation
频率(模态)转换
2) frequency conversion model
频率转换模型
1.
To study rationality and possibilities of the conversion frequency in storm sampling and reasonable frequency conversion model,take 49 towns of 9 cities,which are located in Fujian province,as a study project.
为了论证暴雨选样间的频率转换的合理性和可行性,以及合理的频率转换模型,对福建省9个市49座城镇雨量观测站实测的资料进行分析计算,以离差绝对值和、离差平方和以及Nash-Sutcliffe作为误差评定标准,分别计算各自的暴雨设计值的离差绝对值和、离差平方和和NSE值。
3) analog-to-frequency converter
模拟频率转换器
4) Torsion mode frequency
扭转模态频率
5) Turnover frequency
转换频率
1.
The relationship of surface active site and turnover frequency versus activity for ammonia synthesis catalyst which were obtained from different iron oxide as precursor were investigated by means of a physisorption of N 2 and a chemisorption of CO and CO 2 and activity test.
随着母体铁氧化物性质和组成的变化 ,催化剂活性 (以氨的体积分数表征 )、质量反应速率 (rm)、合成氨转换频率 (TOF)和表面酸覆盖度 (SA)及其酸碱覆盖度的比例 (SA/SK)有相似的变化规律 ,即与Fe2 +/Fe3+呈驼峰形变化曲线 。
6) frequency conversion
频率转换
1.
All-optical frequency conversion plays a key role in the future optical networks.
围绕全光频率转换技术 ,简要叙述了基于 PPLN波导二阶非线性效应实现的全光频率转换技术的原理及其在全光网中的应用 ,最后对其发展前景做了展望。
2.
The conclusion of this paper will be meaningful for many applications of LD-pumped Nd∶YAG lasers, such as frequency conversion and so on.
该结论在频率转换等实际应用中具有重要的指导意
3.
Two best broad band transform modes and the method of obtaining broad band transform have been proposed by analyzing the variety possible frequency conversion relationship.
8μm波长作为泵光频率,对KTP晶体在近红外光区的匹配特性作了研究,对各种可能的频率转换关系进行了分析,提出了两个最优宽带转换方式以及获得宽带频率转换的方法。
补充资料：模数转换器与数模转换器
模数转换器与数模转换器
A/D converter and D/A converter
mos卜妇之huonhuonql yu shumo Zhuan门Ua叫「模数转换器与数模转换价(A/DConverterandD/A eonverter)见电力系统调度信息。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条