查询词典 narrow

This paper presents the design procedure of a narrow band SAW filter with high rectangle factor.

文章介绍了一种窄带、高矩形度声表面波滤波器的设计过程，制作出了中心频率为140。

The purpose of this thesis is to study the suppression of Narrow Band Interference for Direct-Sequence Spread Spectrum communication system.

本文的研究方向是直接序列扩频信号中多个窄带干扰的自适应抑制。

Light visible to human eyes however occupies only a very narrow band in the whole electromagnetic spectrum.

然而，人眼可见的光在整个光谱中只占一个非常狭窄的频段。

Computer simulations show that it is superior to the conventional approaches in most cases and thus is a good approach for narrow - band interference suppression in spread spectrum systems.

通过计算机仿真可以看出，在多数情况下它比传统方法的性能优越，这表明它是一种对于扩频系统中窄带干扰的抑制的好方法。

However, due to the limitation of cholesteric LC materials, the reflective spectrum is narrow band.

然而，由於胆固醇液晶材料的限制，反射频谱通常只有窄频谱的反射，所以此显示器通常只能呈现单一色彩的影像。

Methods By using narrow band spectrum analyses and computer we studied the parameters in 30 patients and 30 normal controls.

应用频谱仪和电子计算机对 30例声带无明显病变的室带肥厚者和 30例室带声带无明显病变的志愿者，测定基频、低音、音域和频率微扰百分值。

The experimental results indicate that the revised narrow banding algorithm is robust.

实验结果表明，改进的窄带算法具有较好的鲁棒性。

This paper presents an ultra-narrow bandpass HTS filter for potential application in the base station receiver of the 3G mobile communication .

研制了一种适用于3G 移动通讯基站接收机的高温超导窄带带通滤波器。

Any of various Australian evergreen shrubs or trees of the genus Banksia, having narrow, spiny or toothed leaves, showy, dense clusters of usually yellow flowers, and small fruits in conelike clusters.

山龙眼一种拔克西木属澳洲产常绿灌木或乔木，叶窄、多刺或带齿，通常黄色的艳丽花簇和锥形聚集的小果实

The experimental results revealed that this method can be devoted to distinguish the narrow leaf barnyard grass weeds from the extravagant leaf plant.

但是，由于除草剂的过度使用，一方面增加了生产投入成本；另一方面也造成了环境的污染。

As a dominant party,CPC government should play a guardian,supervisee and guarantee role to overcome all the difficulties in the development of charitable cause and bring it into full play in the establishment of harmonious society on policies and regulations basis.

在中国共产党的文献中第一次把发展慈善事业提到&最广泛最充分地调动一切积极因素，不断提高构建社会主义和谐社会的能力&的高度来认识。近年来，社会学界对慈善事业的理论专著发表较多，有鉴于此，笔者不揣浅陋，谈谈自己的认识和见解。

Flow through the land, the land of the scale of operation allows the effectiveness of the land may be raised.

通过土地的流转，土地的规模经营可以让土地的效益得到提升。