We tested the spectrum characteristic with UV3100PC spectrophotometer.
用UV 3100 PC分光光度计测试光谱特性曲线。
We have taken a lot of research for its spectrum characteristic, and got a great deal of pertinent methods.
人们针对其特性也进行了大量的专门的研究,得到许多具有针对性的高效的方法。
The wide angle spectrum characteristic of polarization interference filter (PIF) is key to the design and manufacture.
偏振干涉滤光片宽角度光谱特性是设计研制中的关键。
The chlorophyll, sediment, yellow substance in the seawater have the direct effect on the spectrum characteristic of the seawater.
海水中的叶绿素、泥沙、黄色物质等及其含量直接影响海水的光谱特性。
By analyzing the spectrum characteristic of snow, a method of extracting snow information was suggested based on index of NDSI and NDVI.
通过对雪的光谱特征分析,提出利用归一化积雪被指数NDSI结合归一化植被指数进行积雪信息提取的方法。
The noise resources, noise propagating ways and its spectrum characteristic of a hermetic reciprocating refrigerator compressor were analyzed.
分析了全封闭活塞式冰箱压缩机噪声来源、传播途径以及所研究的冰箱压缩机的噪声频率特性。
Some excellent high order calibration pulse waveforms of the spectrum characteristic are obtained by theoretical analysing and computer scanning.
通过理论分析研究和计算机搜寻得到几种频谱特性优良的高价标定脉冲波形。
The critical function and critical rules based on the spectrum characteristic selection and the process of spatial dimensional reduction were established.
通过光谱特征选择及空间降维处理,建立了判别函数,确定了判别规则。
And then, the category of laser ceramic, laser active ion, laser spectrum characteristic and the method of making laser ceramic are introduced respectively.
接着分别介绍了激光陶瓷的种类、激光离子、光谱与激光特性和激光陶瓷的制备方法。
The precise size filter is deposited with the mask method successfully, the spectrum characteristic is tested through utilizing the optical fibre spectrometer.
通过采用光学掩膜的方法成功制备了符合设计尺寸要求的可见光滤光片,并利用光纤光谱仪测试了滤光片的光谱特性。
It has analyzed the principle and the basic structure of DDS, it also has carried on the theoretical analysis to the ideal DDS frequency spectrum characteristic.
分析了DDS的工作原理及其基本结构,在此基础上对理想的DDS频谱特性进行了理论分析。
The cause of fan abnormal vibration is diagnosed by analyzing the spectrum characteristic of fan trouble for cooling tower. The normal running of fan is guaranteed.
通过分析冷却塔风机故障的频谱特征,诊断了风机运行异常振动原因并加以解决,确保了风机的正常运行。
The study on spectrum characteristic of single-layered latticed domes is a significant part of the whole theory about the anti-seismic study of this kind of structures.
网壳结构的频谱特性分析是其整个抗震理论研究中的一个重要组成部分。
In this paper, the probability distribution and spectrum characteristic of obliquity and multi-directionality wave forces are studied systemically by a 3-D hydraulic model test.
本文在物理模型试验的基础上,系统研究了斜向和多向不规则波波浪力的概率分布和频域特性。
It introduces the concrete structural design of the light filtering piece as well as the calculated spectrum characteristic of the one-channel two-pass band light filtering piece.
本发明介绍了滤光片具体的结构设计,以及在此设计下所计算出的一通道二通带滤光片的光谱特性。
Then the work theory, system structure, technology index, spectrum characteristic, merits and defects of Direct Digital Synthesis (DDS) are introduced mostly in the second chapter.
在第二章中,主要介绍直接数字频率合成器(DDS)的工作原理,对DDS的系统结构,工作原理,技术指标,频谱特性,优缺点进行了阐述。
The fundamental principle of direct digital synthesis (DDS) is introduced in this paper. Based on signal analysis, the ideal output spectrum characteristic of DDS is analyzed briefly.
对DDS基本原理进行了简要介绍,利用信号分析的方法对DDS理想输出进行频谱分析。
Based on sea clutter reflectivity mechanism, this paper analyses the amplitude distribution characteristic, correlation characteristic and spectrum characteristic of sea clutter in depth.
基于海杂波散射机理,深入分析了高分辨雷达的海杂波幅度分布特性、相关特性和谱特性。
Being different from applying the window with better spectrum characteristic to reduce the long-range leakage, a new method, named multi-spectrum-line interpolation correction algorithm MICA.
据此,不同于以往应用性能较好的窗函数来减小长范围泄漏效应的作法,提出一种能同时修正长、短范围泄漏的多谱线插值新算法。
When a laser is shone on the aptamer, the molecule absorbs light and reemits it with a characteristic spectrum, called its "Raman signal."
适配子可以吸收激光并放射出称为“拉曼信号”的特征光谱。
Results Utilizing lactic acid dissolution and alcohol precipitation technology could prepare granules of chitosan lactate, which had characteristic absorption peak in infrared spectrum.
结果利用乳酸溶解和醇沉淀工艺可制备出壳聚糖乳酸盐颗粒,在红外光谱中具有特征性吸收峰。
By introducing the yielding level factor and constructing the ductility demand spectrum, the characteristic of peak values and frequency contents of ground motions are considered separately.
引入结构屈服水平系数,建立了结构的延性需求谱,使地震动的幅值特性和频谱特性可以分开考虑。
Under the room temperature and Nitrogen environment (eliminate the influence of water vapor absorption), we get the characteristic absorption spectrum of GaAs within the band of frequency.
在室温去除水份影响的氮气环境中,获得了低温生长的砷化镓在该波段的特征吸收谱。
Multifractal method is further used in the analysis of surface. It is found that multifractal spectrum can reflect the overall characteristic of the distribution of probability of a surface.
进一步将多重分形的方法应用到对这些表面的分析中,发现多重分形谱可以全面反映表面概率的分布特征。
The spectrum signal was pretreated and several key characteristic parameters were extracted and then a set of new feature vector was obtained by reducing the dimensions.
首先对光谱信号进行预处理并抽取了多个关键性的特征参数,通过降维分析得到一组新的特征向量。
A lot of spectrum of the metal transfer mode of metal gas are welding have been acquired in characteristic spectrum by testing.
通过试验在特征谱线下,采集了大量熔化极气体保护焊五种熔滴过渡的光谱信号波形。
According to the correlation of TV image, the structure and characteristic of three dimensional spectrum in PAL TV signals is mathematically analyzed.
根据电视图像的相关特性,对PAL信号的三维谱结构及其特征进行了数学分析。
According to the correlation of TV image, the structure and characteristic of three dimensional spectrum in PAL TV signals is mathematically analyzed.
根据电视图像的相关特性,对PAL信号的三维谱结构及其特征进行了数学分析。
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