频谱线

We measure the spectral ratio of E01 to E02 in a window which includes direct S waves.

首先，我们将E01和E02的记录分别截取一段包含直接S波的波线，并求其傅氏振幅谱，然后再求E01对E02之频谱比。

Both UV and NIR lasers were collinearly focused into 2.0 atm Ar gas cell,when satisfying the conditions of space-time overlap,the full width at half maximum spectrum of UV could grow from 2.6 nm without interaction situation to 6.4 nm,a factor-of-2.5 improvement,which can provide a valid way for attaining sub-20fs ultrafast pulses in the range of UV.

将紫外激光与近红外激光共线聚焦注入2.0 atm氩气样品池中，在满足时空重合条件时，半高全宽的紫外频谱宽度可从无相互作用时的2.6 nm展宽至6.4 nm，增加2.5倍，为进一步获取该波段小于20fs超快脉冲提供一个重要的途径。

The CDFI showed that the punctiform or strip color blood flow signal were found, which blood current spectrum were like the artery, envelope curves were not clear, monophase or bilateral low resistance.

CDFI 检查显示在囊实肿块内或周边见到点状或条状彩色血流信号，呈动脉样血流频谱，包络线不清楚，呈单相或双向低阻力，Vs为(50.05±5.02)cm/s， Vd为(23.20±4.45) cm/s，RI为(0.43±0.02)。

Canton City Blue Granville Electric Appliance Co., Ltd. is located in the Pearl River Delta city of Guangzhou Dongfeng Industrial Zone, Chang-wei adhere to the market as the guide, walking the road of science and technology enterprise so that enterprises in the comprehensive strength of peer leadership, in recent years, continuing a long-wai gap with the world average, the introduction of Japan's Panasonic SMT Series SMT production line, AI automatic plug-in line, SRC3001 PCB-line automatic test system, HP company logic analyzer, spectrum analyzer, digital oscilloscope Tektronix high-precision, CAD workstations, etc.

广州市蓝威电器有限公司位于珠江三角洲大都会广州市东丰工业区，长威坚持以市场为先导、走科技兴企之路，使企业综合实力处于同行领先地位，近年来，长威不断加大技改投入，引进了日本松下系列SMT贴片生产线、AI全自动插装线、SRC3001 PCB在线自动测试系统、HP公司逻辑分析仪、频谱分析仪、泰克高精度数字示波器、CAD工作站等一大批具有当今国际领先水平的生产、检测、开发装备，拥有各类专业技术人才400多名，高新产品不断涌现，数字卫星接收机、高新产品相继形成产业化，产业结构得到进一步优化。

In order to obtain the correct height reconstruction of a measured object through the traditional Fourier transform profilometry, the connecting-line between the exit pupil of the projecting lens and the entrance pupil of the imaging lens must be horizontal and set to parallel to the reference plane.

在拍摄过程中，采集完参考平面的光场后，只需要再采集一帧条纹图形，通过傅里叶变换、频谱滤波、逆傅里叶变换、相位展开等处理后就能得到物体的三维数据。采用传统的傅里叶变换轮廓术进行三维物体面型测量时，必需保证投影装置出射光瞳和成像装置入射光瞳的连线与参考面平行，并且它们的光轴应在同一平面上，才能得到较为准确的测量结果。

Forecast and application of geological structures is the mine;2. Based on the characteristics of geological structures in Nansha Islands,the free air gravities of four profiles N2, N9, N10, N11 were selected from NanshaIslands.

根据南沙群岛地质构造的特征，选择4条具有代表性的重力测线N2，N9，N10和N11的自由空间重力异常，进行福里哀频谱值的计算并研究振幅谱值的分布规律，确定61。

The company's technology strength, advanced production equipment: automatic color code inductance production lines, CNC automatic winding machine, hot plastic molding machine, high precision LCR tester, high-Q inductors automatic sorting device, automatic transformer tester, vacuum impregnation machine, energy saving infrared ovens, spectrum analyzer, oscilloscopes and other equipment near 368 Units and so on.

公司技术实力雄厚，拥有先进的生产设备：色码电感全自动生产线、全自动数控绕线机、热压塑料成型机、高精密LCR测试仪、高频Q值电感自动分选仪、变压器自动综合测试仪、真空含浸机、节能红外线烤箱，频谱分析仪，示波器等仪器近368台等等。

The introduction of some products are as follows: First, Taiwan's electronic devices Aosta Product:(self-produced self-marketing) program-controlled voltage insulation tester, grounding resistance, leakage current, micro-resistance tester, electrical parameters of the test Transformer parameters meter, insulation resistance tester, electronic load, on-machine, cable tester, variable frequency power supply, LCR Bridge, frequency meter, mV table, the standard signal generator, oscilloscope, signal generator, signal generator, digital multimeter, distortion device, before shaking device, spectrum analyzer, capacitance meter, inductance meter, modulation device, Sweep Signal Generator, Telephone Analyzer, Calibrator Table III, EMC Electric Tester, regulated power supply and so on.

现将部分产品介绍如下：程控耐压绝缘测试仪、接地电阻、泄漏电流、微电阻测试仪、电参数测试变压器参数测量仪、绝缘电阻测试仪、电子负载、导通机、排线测试仪、变频电源、LCR电桥、频率计、毫伏表、标准信号源、示波器、信号发生器、信号源、数字万用表、失真仪、抖摆仪、频谱分析仪、电容测量仪、电感测量仪、调制度仪、扫频信号发生器、电话分析仪、三用表校准仪、EMC电测仪、稳压电源等。

Due to the frequency selectivity and high insertion loss of SAW device , t he inp ut must be high p ul se whose spect rum widt h can cover t he center f requency of SAW tap delay line.

由于 SAW 器件具有频率选择性及较高的插入损耗，使得它的输入必须为高脉冲且脉冲的频谱宽度能覆盖 SAW 抽头延迟线的中心频率。

In the spectrum of neon, most of the lines exhibit the anomalous Zeeman effect, and their measurement would require apparatus with an extremely high resolution.

氖的频谱中，大多数谱线表现出不规则塞曼效应，测量它们要求解析度非常高的仪表。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。