查询词典 line spectrum

In this work, the digital analysis of six Al-based standard alloy samples with different content of Mg has been performed. Using spectra of Mg 518.36 nm as the analysis spectrum line, Cu 510.55 nm and Fe 510.75 nm as comparison spectrum lines separately, quantitative analysis has been made.

对6种不同镁元素含量的铝合金标准样品进行了数字化分析测定，探索了选用Mg 518.36 nm作为分析谱线，分别选用Cu 510.55 nm和Fe 510.75 nm作为比较谱线进行定量测定的方法。

The above formulas are used in theM standard spectrum and the three-section standard spectrum for evaluating the tread patterns' noise to provide a simple calculating tool and line-up comparison for analyzing the frequency spectrum of tread patterns' noise .

将三者之间的变换关系应用到轮胎花纹噪声评价M标准线和三段标准谱线中，为轮胎花纹噪声的频谱分析提供了简化运算工具和排队比较方法。

There is no any application or research in power line spread-spectrum communication on the complex power line environment in mine.

目前电力线扩频载波通信在井下复杂电网环境中的应用研究还是一个空白。

In the first session the fans vibration on-line monitoring system is realized with VC language, also compile auto power spectrum density function, cross power spectrum density function, autocorrelation function and cross correlation function etc spectral analysis function to carry through simple offline fault diagnosis.

首先用稳定性强、扩展性好的VC++语言开发了通风机振动在线监测系统，并编写了自功率谱密度函数、互功率谱密度函数、自相关函数和互相关函数等频谱分析函数来进行简单的离线故障诊断。

The fast Fourier transform frequency spectrum of the output wave contained no 50 Hz spectrum line.

放大器的输出结果为50mV峰峰值；输出波形的快速傅立叶变换频谱中没有50 Hz谱线。

According to the principle of spread spectrum communication , the anti-interference performance of the technology is discussed and the composition of power line spread spectrum communication is described .

指出电网的高频通信特性及其抗干扰、抗衰耗对策是独立于高性能载波芯片的研究领域。

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。

Results (1)The spectrum of IN converted from five-line to nine-line and seven-line at last.

结果：(1)当IN与NO作用后，IN本身信号由五重峰变为九重峰，最终变为七重峰。

Firstly, a group of red.shifts were determined using the emission line info extracted from the observed spectrum; Secondly, the template was red.shifted according to the candidates, and the correlation between the observed spectrum and the redshifted template was measured.

首先，利用提取出的发射谱线信息确定一组红移候选；然后，按这些红移候选将静止模板光谱红移，计算所得光谱与目标光谱的相关值；最后，确定最大相关值对应的红移候选为目标光谱的红移。

In order to study the spilt spectrum of Zeeman effect experiment, the method for the spilt spectrum line of Hg(546. 1 nm) in magnetic field is analyzed based on quantum theory analysis and CCD image disposal.

为了研究塞曼效应的谱线分裂情况，用量子理论和CCD图像相结合的方法分析了Hg(546.1 nm)谱线在外磁场中的分裂。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。