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Using two channel tree-structured filter banks, an image can be decomposed into a pyramid structure, with various band information: such as low-low frequency band, low-high frequency band, high-high frequency band etc.

小波分析是一种时间-尺度分析方法，可被看作傅立叶变换之后又一里程碑式的发展，是近年来迅速发展起来的新兴学科，小波变换应用于图像处理的基本思想就是把图像进行多尺度、空间-频率分解。

Forty-two undergraduates were classified into High-High Amplitude Group, High-Low Amplitude Group, and Low-Low Amplitude Group, according to the change patterns of their GSR waves. They were asked to reiterate classical Chinese poems and to take "subtests" of Raven's Progressive Matrices. Their lowest absolute skin resistance and scores on Raven's "subtests" were recorded before and after their performance being observed by their classmates.

根据记录GSR「波形」的结果，将四十二名大一及大二学生分为高-高振幅组、高-低振幅组、和低-低振幅组三组，使他们在「无旁观者」和「有旁观者」情境中，参加唐诗复诵和瑞文氏图型补充测验的活动，藉以探讨三组受试者在心理社会压力情境中的反应之差异。

Forty-two undergraduates were classified into High-High Amptitude Group, High-Low Amptitude Group, and Low-Low Amptitude Group, according to the change patterns of their GSR waves. They were asked to reiterate classical Chinese poems and to take "subtests" of Raven's Progressive Matrices. Their lowest absolute skin resistance and scores on Raven's "subtests" were recorded before and after their performance being observed by their classmates.

根据记录GSR「波形」的结果，将四十二名大一及大二学生分为高-高振幅组、高-低振幅组、和低-低振幅组三组，使他们在「无旁观者」和「有旁观者」情境中，参加唐诗复诵和瑞文氏图型补充测验的活动，藉以探讨三组受试者在心理社会压力情境中的反应之差异。

In the past, the high frequency resonance technique is usually applied in the envelope detection for a vibration signal with amplitude modulation. When applying the Hilbert transform in the high frequency resonance technique for the envelope detection of vibration signals, the computing burden is very high. On the other hand, when applying the linear least squares analysis method, the computing burden is lower. When applying the envelope detection in the lowest vibration mode, an accelerometer with the low-pass filtering cutoff frequency at 4kHz should be choose.

在过去的研究方法中，振动讯号之振幅调变通常以高频解调分析法应用於包络讯号侦测，而高频解调方法应用希尔伯特转换的包络分析，所需要的计算量是非常的高，若以线性最小平方分析法应用於高频解调分析法中，则所需要的计算量较小，如果以最低模态来估测包络讯号时，可以适当的选取加速规来代替低通滤波器，而加速规的截止频带必须在4kHz左右。

Results all of the 20 x-ray cases demonstrated the trabeculae bone hazy with pathy high density in the weight-supporting zone .all of the ct cases demonstrated the collapse of the femoral head. and the 4 cases demonstrated the high density, fragment of the femoral head and cystic lucency zone in the high density area and mixed density could be seen in 3 cases. the 4 mri cases demonstrated cystic hypointensity in t1wi and hyperintensity in t2wi. the 3 mri cases demonstrated mixed intensity in t1wi and t2wi,the 3 mri cases demonstrated irregular hypointensity with collapse of the femoral head in t1wi and t2wi.

结果 x线平片20 例，均表现为股骨头持重区骨小梁增粗且模糊不清，持重部位呈斑片状或斑点状密度增高影，本组均可见（占100%）。ct扫描20 例，平扫均表现为股骨头形态塌陷，其中显示高密度硬化4 例（占20%），股骨头碎裂，显示高密度区内有不规则透亮区，呈高低混杂密度改变有3 例（占15%）。mri扫描10 例， t1wi呈斑点状或小囊状低信号，t2wi为高信号，本组4 例，t1wi与t2wi均为不规则低、等、高混杂信号，本组3 例，股骨头塌陷、变形，t1wi与t2wi均为不规则形低信号3 例。

Ultra white float glass is a kind of glass with low iron content with the features of high transparency, high luminousness, excellent transmissivity, the outer appearance visional result equal to crystal glass giving the elegance sense, most used in interior and exterior decoration in luxurious constructions and showcases of high end goods.

超白浮法玻璃是低含铁量玻璃，具有高透明度、高透光率，具有极佳的透光性能，外观与透明水晶玻璃有相似的视觉效果，给人以典雅高贵的感觉，非常适合高级建筑物内外装修及制作高档贵重物品展示橱窗。

Chaoan Jimin Ceramic Factory sticks to the product orientation of high standard,high quality and high taste.We insist on accepting ability and innovating,producing and testing by performing the national standards.Adopting scientific and precise management,strengthening our quality sense all the time, we develop the market by well service intention.The developing Jimin,with special insight and leading idea,carrys into our brand policy ,builds up the enterprise image and exploits the brand with our own characteristic.All of these are directed by the market and based on the science and technology.Chaoan Jimin Ceramic Factory,with manful attitude and newness carriage, will go ahead with you for the future!

潮安县集民瓷厂坚持以高标准，高质量，高品位为产品定位，注重广纳贤材，立足创新，严格执行国家标准进行生产，检测，采用科学，严谨的细化管理，持之以恒地加强质量意识，以真诚，到位的服务理念拓展市场；发展中的潮安县集民瓷厂，以独特的眼光，超前的意识，实施品牌策略，树企业形象，以市场为导向，以科技为后盾，以人为根本，开拓了具有"集民"特色的品牌之路，潮安集民瓷厂将一如既往，以雄伟的姿势和崭新的姿态昂首阔步，与您携手走向未来！

Analyzed the operation condition of high level sport team,the article thinks it still has many problems: 1the universities high level sport team becomes athletics sports receiving station;2 the universities' high level sport teams loses their self function about making the blood;3 impacts mass sports activity;4 comes apart with the university student mass sports.

分析了成立近20年的高校高水平运动队的运作状况，认为其运作上尚存在着以下诸多问题：1高校高水平运动队成为竞技体育收容站；2高校高水平运动队丧失自我造血机能；3对群体活动的冲击；4与高校大学生群众性体育脱节。

The iron, in which the carbide has a high chemical stability and the matrix possess a matchable oxidation resistance, can be well resistant to abrasive wear at elevated temperature. In addition, the high temperature abrasive wear resistance of the high Cr—Ni cast iron containing eutectic carbide is much better than that of 0Cr26Ni14 heat resistant steel in which no carbide exists.

结果表明，M〓C〓型碳化物的高温化学稳定性对高Cr—Ni铸铁合金的抗高温磨料磨损性能有显著的影响，碳化物的高温化学稳定性愈好，基体的抗氧化性又能与之相匹配，合金的高温抗磨性就愈好；而且，含有碳化物的高Cr—Ni铸铁合金的高温抗磨性远优于不含碳化物的0Cr26Ni14耐热钢。

An extremely high temperature of anode humidification is also unreasonable; as a result, when the current density is high, the liquid water should be injected directly into anode gas channel to guarantee both high inlet H〓 concentration and well-humidified membrane. 4. The utilization of Pt in the cathode catalyst layer will decrease with the increasing current density; as a result, based on the principle of maximal Pt utilization, the catalyst layer can be designed much thinner or not uniformly in the catalyst distribution.

而在此截面上，交指型流场燃料电池阳极侧的液态水饱和度的极值位置并不确定；在电池阴极处，液态水饱和度的极值总是出现在z=0.002m处的气体扩散层和膜的界面上，并且该处的液态水饱和度沿x方向存在一个最大值，与此相应的氧气的质量浓度分数在该处达到极小值，因此极限电流密度将首相出现该处，但总体来说液态水饱和度沿x方向的分布较为均匀。4。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。