滤

Two new functions based on the property of bubble wavelet are proposed. An approximate 2nd derivative of an analytical signal can be obtained by applying n times of the wavelet transform to the signal, the signal-to-noise ratio can be enhanced greatly.

根据小波的定义和墨西哥帽小波的一些特点提出了两种简单的窗口函数，利用它们对模拟高斯信号求2n阶近似导数的同时滤除了噪声，同时还可分离重叠峰，并讨论了尺度因子对变换结果的影响。

The technology of soil aquifer treatment has a good adaptability and feasibility in China.

土壤渗滤处理技术在我国广大地区有很好的适应性和可行性，将有很好的发展前景。

The current researches on structure light sensor are mainly about arc light disturbance filtering and image processing.

目前对于结构光传感器的研究主要集中于弧光的滤除和图像的处理。

It clarified the feasible approach of capturing vision image of weld pool under intensive arc light.

利用复合滤光技术有效地解决了电弧光干扰熔池图象的问题。

A compact arc light sensor has been developed based on the spectroscopic study on the plasma arc.

在等离子弧发射光谱分析的研究基础上，研制了轻便实用的弧光传感器，采用普通光电器件和滤光镜片替代赘重昂贵的光谱分析系统，可以捕捉到表征小孔特征状态的信

The complex alterations of gene expression underlie the development of malignant phenotype of lung squamous cell carcinoma and the Atlas cDNA expression array is a useful method for describing the expression profiles.

Atlas微阵列表达分析滤膜是研究基因表达谱的较好方法。

Treatment of flue gas ash has become the key measure of preventing pollution of heavy metals.

飞灰的处理是控制重金属污染的关键，目前处理垃圾焚烧飞灰中重金属污染物的常用方法有：水泥固化法、化学药剂稳定法、飞灰热处理、化学浸提法等，生物淋滤法是近年新兴起来的金属浸提技术。

A new cophase power supply system is designed by combining the active filter,V/x connection and autotransformer.

通过以检测并得到的同相综合补偿电流为参考，控制有源滤波器消除三相不平衡，并滤除谐波和无功。

In the successful achievement of autotrophic nitrogen removal for nitrite,the effect of nitrite concentration on nitrogen removal in anoxic bio-film filter was investigated.

在成功实现亚硝酸盐自养脱氮的基础上，探讨了亚硝酸盐浓度对缺氧生物膜滤池脱氮性能的影响。

The technology is appiled to not only the treatment of organic industry waste water, but also pretreatment of city water supply source that is polluted , and it is the perfect biology filtering material that deal with matter of azote and phosphor in water.

该技术既适应于有机工业污水的处理，也适应于受到污染的城市供水源的预处理，是处理水中氮磷物质最理想的生物滤料。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。