查询词典 band filter

This character of the photonic crystal containing defect can be used to enhance spontaneous emission of atoms and to make narrow band filter.

光子晶体缺陷的这一性质具有很重要的实际用途，如增强原子的自发辐射、制作极窄带的选频滤波器等。

The modulated signals are added up in a summator 120 to form a real signal, which is filtered by a RF filter 122 for attenuating out-of-band noise and spurious interference.

在加法器120中将调制的信号相加形成实信号，该信号通过RF滤波器122滤波，以衰减带外噪声和伪干扰。

The new function introduces a frequency sub-band threshold, supposing that the component value below than the threshold is noise, then filter it.

经过大量的实验，证明提出的方法具有单峰性好、灵敏度高等优点，特别是在抗噪声性能方面有很大提高。

It major supplies include colored and uncolored optical glass, light and color filters, color filtering lens, insulating glass, quartz glass, infrared penetrating glass, near-infrared penetrating glass, UV glass, black UV penetrating glass (wavelengths: 254nm, 310nm, 365nm), ND glass, orange, green and yellow glass, band-pass filter, and filters for currency count machine.

南通银兴光学有限公司成立于上世纪80年代初，位于中国江苏省海安县，是中国规模较大的光学玻璃生产企业，主要生产有色光学玻璃、无色光学玻璃、滤光片、滤色片、滤色镜、隔热玻璃、石英玻璃、透红外玻璃、近红外玻璃、紫外玻璃，透紫外黑色玻璃（波长：254nm，310nm，365nm），中性灰玻璃，橙色玻璃，绿色玻璃，黄色玻璃，带通滤光片、点钞机专用滤光片等产品。

It major supplies include colored and uncolored optical glass, light and color filters, color filtering lens, insulting glass, quartz glass, infrared penetrating glass, near-infrared penetrating glass, UV glass, black UV penetrating glass (wavelengths: 254nm, 310nm, 365nm), ND glass, orange, green and yellow glass, band-pass filter, and filters for currency count machine.

公司介绍银兴光学有限公司成立于上世纪80年代初，位于中国江苏省海安县，是中国规模较大的光学玻璃生产企业，主要生产有色光学玻璃、无色光学玻璃、滤光片、滤色片、滤色镜、隔热玻璃、石英玻璃、透红外玻璃、近红外玻璃、紫外玻璃，透紫外黑色玻璃（波长：254nm，310nm，365nm），中性灰玻璃，橙色玻璃，绿色玻璃，黄色玻璃，带通滤光片、点钞机专用滤光片等产品。

The unit is a band-pass filter or a high-pass filters. It can eliminate dynamic measurement errors, but cause severe noise amplification.

其本质是一个带通或高通滤波器，在补偿测量误差的同时，会引入严重的高频噪声干扰，影响测量系统的精度。

In order to make use of time-frequency characteristic of signal,a new method of variational estimation on signal frequency by using AR model power spectrum estimation,designing band-pass filter to gain approximatively source signals and underdetermined mixed matrix,and constructing completed observation signals by expanded subspace primer vector is proposed.

充分利用信号的时频特性，提出了AR模型功率谱估计法滑动估计信号频率，设计带通滤波器近似获取源信号和欠定混合矩阵，以及扩展子空间向量基构造完备观测信号的方法，将问题转化为完备情况下的盲分离，最后运用FastICA方法实现了信号盲分离。

In the development of filter, adopting interdigital structure of stripline ,it is providewith higher rejection and has no autoeciousness band in very wide frequency.structureof debugging is added to reduce the affection of manufacture error improving the indexsignificantly.

滤波器设计中，采用带状线交指结构，带外抑制度高，并且在很宽的带内没有寄生通带；根据滤波器自身的结构特点加入了调试装置，用来补偿加工带来的误差，极大的改善了测试指标。

The principle of optical fiber homochromous radiation temperature measurement was described. The mathematical model was created. Aiming at the problem of temperature measurement in bad working environment , quartz optical fiber and narrow band filter were used to design a temperature measurement system in real time based on virtual instrument. Principle and method of the system ,structure of hardware and software were expounded. The methods of data acquisition and data analysis on virtual instruments platformwere explained. Single2chip hardware system and LabVIEW software were adopted to ensure the precision and stability , data storing and long2range display was realized.

介绍了光纤单色辐射式测温原理，建立了测温系统数学模型，针对恶劣环境下的温度测量问题，利用石英光纤束和窄带滤光片，设计了基于虚拟仪器技术的实时测温系统，阐述了系统工作原理和实现方法，以及系统的硬件和软件结构，说明了在虚拟仪器开发平台上进行数据采集与数据分析的实现方法，采用单片机硬件系统和LabVIEW软件系统以保证测量精度和稳定性，并实现了数据的存储和远程显示。

Base Band Interpolator Pulse Shaping filter is a key component of all digital modulator.

基带内插脉冲成形滤波器是全数字调制器的核心模块之一。

You have to walk your own alk in this life.

次生中你必须走自己的路。

To start with, the thesis analyses ***ism in terms of the generic masculine words, word order and semantic derogation of women in greater detail.

论文首先从阳性词泛指，词序，词义的贬降等方面对英语中的性别歧视现象进行了详细的分析。