1) ultra-narrow bandwidth optical filter
超窄带滤波
1.
We advanced the theory of ultra-narrow bandwidth optical filter consists of two-dimensional (PCADOF) photonic crystal composed of anomalous dispersion material cylinders set on dielectric medium with the square lattice.
本文讨论了利用由反常色散材料构成的二维(2D)光子晶体实现超窄带滤波的原理,并分析了铯原子蒸汽6 P3 2? 6S12谱线的超精细结构,得到了这条谱线附近的反常色散曲线。
2) ultra-narrow bandwidth filter
超窄带滤波器
3) narrowband filter
窄带滤波
1.
Related technologies of narrowband filter low-velocity flow electromagnetic flowmeter
窄带滤波微流量电磁流量计的相关技术
2.
The concept of quasiperiodic one-dimension photonic crystal nanometer film is proposed,and research finds that it can be applied to realize optic narrowband filter.
研究表明,用它可以实现光学窄带滤波。
3.
Furthermore,the change of the noise through narrowband filter and detection circuit and the effect on the radar tracking precision are analyzed in quantity.
对噪声经过窄带滤波、检波电路后的变化及其对雷达跟踪精度的影响进行了定量分析。
4) narrowband filtering
窄带滤波
1.
The results are good in simulations of applying general harmonic wavelet to narrowband filtering.
论述了谐波小波、广义谐波小波的概念以及谐波小波包的算法实现,并将谐波小波应用于带通滤波器的窄带滤波中,得到了满意的仿真效果。
2.
accordingly, the receiver should be characterized by narrowband filtering,high Signal to Noise Ratio and very low power dissipation.
由于水下信号传输系统存在着 :通道之间的频率间隔小、易受噪声干扰、用电池供电而要求长时间工作等问题 ,相应地 ,接受电路就必须具有窄带滤波能力 ,抗噪声性能良好 ,并且功耗极低。
5) narrow-band filtering
窄带滤波
1.
Subwavelength gratings with different grating parameter have different diffractive properties, and realization of nonpolarizing narrow-band filtering by reasonably designing the parameter of subwavelength grating is a novel method and approach.
亚波长光栅因光栅参量的不同而具有不同的衍射特性 ,通过对亚波长光栅参量的合理设计来实现消偏振窄带滤波是一种新的方法与途径。
6) narrow pass band filtering
窄带滤波
1.
The results show that a narrow pass band and a multi-channel narrow pass band filtering can be obtained respectively in definite spectrum range by varying n, when m=6 and m=4.
这种结构的光子晶体可以用来制作超窄带滤波器和多通道窄带滤波器,有望在光通信超密度波分复用技术和光学信息精密测量技术中获得广泛应用。
补充资料：胎圈过窄、子口窄、圈窄等
分子式：
CAS号：
性质：又称胎圈过窄、子口窄、圈窄等。轮胎工业中指两胎圈宽度不一致的现象。
CAS号：
性质：又称胎圈过窄、子口窄、圈窄等。轮胎工业中指两胎圈宽度不一致的现象。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条