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4This paper expounds the basic theory of wavelet transform, makes use of the characteristic of wavelet multi-resolution to delaminate the image and explain in detail the existing problems in matching.
4阐述小波变换的基本理论,利用小波多分辨率的特性对图像进行分层匹配,对小波匹配中的若干问题进行详细的阐述。
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①The shape of the tubular openings has a corelation with both the arrangement of the dentinal tubules and their opening sites on the calcospherites.
①牙本质小管口的形态与牙本质小管的走向及其在钙球上的开口的形态与牙本质小管的走向及其在钙球上的开口部位有相关关系。
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Liu does not give him ready money, instead helps him buy breakfast to eat, did not think of small army stole 3 bicycle to go out to sell off from the school unexpectedly, sometimes honest " chip " be less than money, small army move piece of bench to sit in the Internet bar to see others play, remember the Zhang date of next others and password secretly, after waiting for a player to deplane he again the password of drop other people.
知道小军拿早餐钱泡网吧的习惯后,刘女士不给他现金,改为帮他买早点吃,没想到小军竟从学校偷了3辆单车出去变卖,有时实在&筹&不到钱,小军就搬张凳子坐在网吧看别人玩,偷偷记下别人的账号和密码,等玩家下机后他再改掉别人的密码。
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In the business card printing and membership card-making, if the pressure can be caused by the students'overloaded, dot gain and text version dilative of dvysocket, 30%~ 40% dot have hollow point business card printing and membership card making serious may occur when the hard mouth phenomenon; plates and roller pressure is too large, the paper--the characters have been (especially small text handwriting) fuzzy edge printing graphics and text, is not clear.
在制卡和会员卡制作洋,若不弛力功重,不离会引起网不背不收不小和笔不朱扩弛糊版,30%~40%网不背有空腹不背,制卡和会员卡制作时会不入现惨重的软口本体等;印版与网纹辊的不弛力太不小,纸背笔迹(尤其是洪不小笔不朱笔迹)暧昧,印品图文边际不澄辉。
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The eminent performance of this method is proved by its higher SNR(signal- to- noise rate), smaller MSE(Minimizes the mean squared error) The discal surface of the contaminated insulators is the interesting area of the research.
数值试验证明,与固定阈值法和极大极小阈值法比较,运用该方法去噪后的图像具有更高的信噪比和更小的最小均方误差。
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In PsNPV infected treatment, the color of the gland was purple-black dyed with eosin and the cells were distortedly squeezed together. The tracheae nearby showed grievous pathological changes and a lot of white granules deposited around it. The pathological changes in PsGV infected treatment showed another pattern. The gland body was relative small with smaller individual cells, most of which were red dyed with eosin. The cell limits were obscure.In coinfected treatment,there were few gland cells colorated by esoin.
结果表明,不同感染组粘虫前胸腺腺体都有不同程度的组织病变,PsNPV感染组在感染晚期与前胸腺相连的气管严重病变,出现大量白色颗粒状物累积,被伊红染成紫黑色,腺体细胞被挤压变形;PsGV感染组的前胸腺腺体变小,单个细胞也小,细胞界限不十分明显;两种病毒混合感染组的腺体细胞小,能被伊红染色的细胞极少。
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By time-varying filtering, we realize the signal selectivity and interference suppression, especially for the signals with time-varying power spectrum. It is shown herein that conventional eigenstructure based methods are lower dimensional special case of the time-frequency subspace fitting method. The closed-form array response estimation algorithms for blind source separation in wireless communication is also developed in the dissertation by exploiting the data structure of second-order statistics of the array output in the presence of multipath. The proposed method achieves array response estimation with little constraint on signal property and propagation environment such as scatters or angular spread. Moreover, the array utilized here can be of arbitrary geometry and even uncalibrated. Since the closed-form solution is obtained, no misconvergency may occur and large amount of computation can be saved. The equivalent feed model and corresponding optimization designation are proposed to realize the downlink multi-user selective transmission. By coherent and non-coherent superposition of the electromagnetical field, multiple beams can be formed using a single array, so that each co-channel user signal is transmitted in each beam and will not interfered with each other. The proposed system scheme implements the digital beamforming and the channel allocation in the base band, therefore is suitable for the utilization of the radio software technology. The feasibility and effectiveness of the proposed model are proved by the RF experiment.
在窄带条件下,GSC-SSF方法还可以提高阵列的虚拟孔径,从而提高估计的性能;可以证明,Cyclic DOA 和SC-SSF方法可看作该方法的特例或近似; 3、提出了二维GSC-SSF方法和宽带谱相关DOA矩阵方法,利用信号的循环平稳特性解决了宽带条件下二维 DOA 估计问题,并具有阵元数少、计算量较小的特点; 4、提出了时频子空间拟合和宽带时频DOA估计算法,将联合时频分析的理论和方法引入到阵列信号的空间谱估计研究中,利用时变滤波实现信号选择性测向和干扰抑制,特别适合于谱时变信号;可以证明传统特征结构法可看作是时频子空间拟合方法的特例; 5、提出了多用户环境下阵列响应的估计方法——CARE方法,该方法对信号结构和传播参数(主要是散射源分布与角度散布)的约束较少,适用于各种几何结构的阵列甚至未校准的阵列,能够直接得到阵列响应的闭式解,因此计算量小、稳健性好,不存在收敛问题; 6、提出了针对多用户下行选择性发送的阵列等效激励模型、优化设计方法及其系统实现方案,通过空间场的相干叠加与非相干叠加使得单一阵列能够形成多个波束,并保证各波束内的用户信号各不相同且相互干扰最小;其系统方案具有在基带实现数字波束成形、信道分配并便于软件无线电实现的特点,其有效性已得到外场实测数据的证实。
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In addition, molecular orientation behaviors induced by shearing, electric field and magnetic field were investigated. The space group of the monomers A3EO7 and A9EO7 were determined as P2〓2〓2 and P112/m by means of electron diffraction and X-ray diffraction. Liquid crystalline properties of the monomer and the polymer were studied using DSC, variable X-ray diffraction, TEM and polarized optical microscope. Both monomers exhibit monotropic liquid crystalline behavior, and they also give a metastable phase on the cooling process. The polymer PA9EO7 shows enantiotropic liquid crystalline properties. Thus the rigid polymer backbone is not a fatal defect that completely distorts the packing arrangement of the mesogenic moiety in the side chain liquid crystalline polyacetylene.
结合电子衍射倾转方法和粉末X射线衍射技术,确定了两个液晶小分子A3EO7和A9EO7的晶胞参数和空间群,采用Cerius〓模拟软件,运用分子模拟的方法给出了小分子在晶胞中的排列方式;利用DSC、变温X射线衍射技术和透射电子显微镜研究了小分子和聚合物的液晶态,单体A3EO7和A9EO7表现出单向液晶性质,并且在降温过程中都表现出一个亚稳液晶相或亚稳结晶相,聚合物PA9EO7具有双向液晶性;采用偏光显微镜和X射线平板照相技术,研究了剪切和电场对聚合物分子取向的影响,在不同的液晶态,剪切作用对聚合物PA9EO7具有不同的诱导取向结果,直流电场可以诱导聚合物联苯液晶基元沿施加电场方向取向。
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The genus Anusia Frster and its sole included species A. nasicornis Frster (Hymenoptera: Encyrtidae) have been recorded from China for the first time and are illustrated with micrographs.
记述了跳小蜂科中国1新纪录属,阿奴跳小蜂属Anusia Frster,及中国1新纪录种,扁角阿奴跳小蜂Anusia nasicornis Frster,并给出了其形态特征图。
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Any of several large, spotted, olive-brown marine fishes of the family Serranidae, especially the grouper Epinephelus itajara of tropical Atlantic and eastern Pacific waters.
鮨 鱼指若干种大型的、带有斑点的墨绿色鮨科海鱼类的统称,尤指产于热带大西洋和东太平洋水域的大石斑鱼小女儿小女儿小女儿。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。