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参量转换
相关语句
  parameter transform
     The Modification of the Vibration Parameter Transform Based on Frequency Domain Integration
     基于频域积分的振动参量转换修正算法
短句来源
     Based on the analysis of the inherent characteristic of the signal, an algorithm that called the modification of the vibration parameter transform based on frequency domain integration is introduced.
     在分析了振动信号固有特性的基础上,提出了一种基于频域积分的振动参量转换波形修正算法。
短句来源
  “参量转换”译为未确定词的双语例句
     A BBO crystal optical porametric oscillator (OPO) with a grating pumped by a laser at 0.532 μm iS demonStrated. The linewidth less than 1 um for tuning throughout 1. 02  ̄ 1.08 μm and the maximum energy conversion efficiencies upto 3. 5% are obtained.
     报道0.532μm泵浦的光栅腔BBO光参量振荡器的实验研究结果.在1.02~1.08μm可调谐范围内,其输出线宽小于1nm,参量转换效率为3.5%.
短句来源
     The OPO threshold pump peak intensity is 57.3 MW/cm 2.On the position of two times of threshold energy,the SRO conversion efficiency is over 11 %.
     参量泵浦功率密度阈值为 5 7.3MW/ cm2 ,泵浦能量约 2倍阈值处 ,单谐振(SRO)参量转换效率为 11%以上。
短句来源
     Then the normal distribution was evaluated by performing D-test on these parameters before and after X,Ln (X),Log(X) transfomations.
     然后将各参量进行X,Ln(X)、Log(X)转换,用正态性D检验方法观察各参量转换前后的分布状态。
短句来源
     But the current laser apparatus can’t generate 3-5μm wavelength laser unless through parameter conversion.
     现有激光器一般都不输出3-5μm波长的光,必须经过参量转换
短句来源
     Calculation of the Conversion Efficiency and Characteristics of Output Pulse of Ultrashort-pulse Optical Parametric Generation
     飞秒级超短脉冲光参量转换效率及脉冲特征计算
短句来源
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  相似匹配句对
     Optical parametric generation with high conversion efficiency
     高效率光参量转换
短句来源
     Investigation of C0_2 laser parametric unconversion
     CO_2激光参量转换的研究
短句来源
     Transforming Bridge
     转换
短句来源
     Parametric Instabilities
     参量不稳定性(英文)
短句来源
     The Design Conversion of Field Programmable Gate Arrays
     FPGA设计转换
短句来源
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The significance of transforming the vibration-Parameter, the necessity on the correction of datum line when Integrating acceleration into velocity and displacement have been described.Two specific methods (Least square velocity method and zero end value condition method) have also been presented

介绍振动参量转换的意义和加速度积分为速度和位移时基线修正的必要性和两种具体方法:最小均方速度法和零终值条件法。

This article introduces a simple thickness meter for the measuring of plastics film by cavity perturbation. The main features of the meter are as follows: The cylinder TE011 cavity with high Q is used as the sensor of the thickness. It transforms the thickness into resonant frequency shift. The electronic tuning field effect transistor and voltage controlled oscillator are used as the microwave oscillator (FET+VCO), which together with the indicating circuit change the frequency shift into output voltage Vo....

This article introduces a simple thickness meter for the measuring of plastics film by cavity perturbation. The main features of the meter are as follows: The cylinder TE011 cavity with high Q is used as the sensor of the thickness. It transforms the thickness into resonant frequency shift. The electronic tuning field effect transistor and voltage controlled oscillator are used as the microwave oscillator (FET+VCO), which together with the indicating circuit change the frequency shift into output voltage Vo. The calibrated Vo then indicates immediately the thickness of the film. The meter is simple in structure, fast and convenient for use. And a contactless measuring could be made, without electrostatic interference. For the plastics film with electric constant (?)=2.0—3.0, the resolving power is thigher than 0.2 μm.

本文介绍一种微波腔体微扰法测量塑料薄膜厚度的仪器。测厚仪的主要特点是:用圆柱TE_(011)模谐振腔作为厚度的传感器,它将厚度参量转换为谐振频偏值;用电调谐的场效应压腔振荡器(FET—VCO)作为微波源,它与指示电路将频偏值转换为输出电压V_0,经定标后的V_0值就直接指示塑料薄膜厚度。测量装置结构简单,测量快速方便,可实现无接触测量,不受静电干扰,对介电常数e_t’=2.0~3.0塑料薄膜,分辨率优于0.21μm。

By using an active-passive mode looked Nd3+ : YAG laser and avalanche transistor absorption single pulse slicer, amplifier, frequency doubler, and a frequency mixer, 30 ps single laser pulse at 355 nm was obtained. It was used as the pump source of a type I noncritically phase-matched LiB3O5 optical parametric generator.

利用Nd~(3+):YAG主被动锁模加晶体管雪崩吸收单选,再放大、倍频、混频,产生30ps,355nm激光单脉冲,用它泵浦Ⅱ类非临界相应匹配的LiB_3O_5光参量发生器,在精密温度控制下,获得415.9~482.6nm的蓝紫光可调谐输出,线宽0.15nm,最高参量转换效率37.6%,可输出能量为6.33mJ,峰值功率为211MW的皮秒激光单脉冲.

 
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