查询词典 English Channel

Matlab channel model, the right OFDM Channel modeling, statistical probability of error, and direct transmission error rates.

matlab信道模型，对OFDM信道建模，统计错误概率，并于直接传输的错误率比较。

Free Brownian bridge processes are used to model the propagation trajectories of MPCs in wireless channel,from which the conventional channel impulse response model and the model based on matrix stochastic processes ...

对无线信道的空时特性进行了仿真分析，仿真结果表明，自由布朗桥过程所描述的完全随机的约束环境中，多径分量的波达方向在仰角和水平角维度上显示出一定的局部偏好性。

Reversed-time filtering and one-pass deconvolution algorithms for complicated multi-channel SMN that this dissertation discussed describes the situation that the multiplicative noise is expanded to a general stochastic matrix. It has a kind of more complicated channel characteristic and matchs the actual circumstance more.

另外随着计算机技术的飞速发展，高度复杂的数据处理已成为可能，带乘性噪声系统的最优估计算法的稳定性问题及多传感器信息融合问题在众多领域受到了人们的广泛关注。

When EGTA (Ca〓 chelator), Verapmil and LaCl〓(Ca〓 channel blockers) were used to treat tomato fruit at green mature and strawberry fruit at white stage with ethylene, they could reverse ethylene-induced increase in ethylene production in tomato and strawberry, PG activity, lycopene content, soluble protein content in cell wall in tomato and degradation in soluble protein in strawberry, which indicated blocking Ca〓 channel in plasma membrane or chelating Ca〓 can decrease intracellular Ca〓, further inhibite ethylene-induced maturation, ripening and senescence of fruit.

用质膜钙通道阻断剂异博定、钙通道Ca〓竞争性抑制剂以及Ca〓专一性螯合剂与乙烯一起处理绿熟期番茄果实和乳白期草莓果实，均可抑制乙烯诱导番茄和草莓的乙烯生成、番茄PG活性的提高、番茄红素含量的增加和细胞壁可溶性蛋白含量的增加以及草莓可溶性蛋白的分解，表明阻断质膜Ca〓通道或螯合胞外Ca〓以减少胞内Ca〓能抑制乙烯对果实的催熟作用，间接证明乙烯对果实成熟衰老的诱导与胞外Ca〓内流引起的胞质Ca〓浓度的增加密切相关，表明乙烯信号转导可能与钙信使有关，调节胞质Ca〓浓度可调节乙烯对果实的催熟作用。

The Yushulin oilfield is located in eastern slope of Sanzhao seg of central sag zone in the northern part of Songliao basin. Its main oil-producing formations are Fuyu and Yangdachengzi oil layers of mesozoic group cretaceous. Its reservoir is fluvial facies sediment. Main sandstone is positive circle channel sandstone with calcium in the beneath, and microelectrode curve is box distribution function. Its secondary oil-producing formation is Yaoyi part of Putaohua oil layer. Its reservoir is delta front sediment. Main sandstone is subaquatic distributary channel sandstone, and microelectrode curve is box distribution function.

榆树林油田处于松辽盆地北部中央坳陷区三肇凹陷东部斜坡，主要产油层系是中生界白垩系泉三、四段的扶余、杨大城子油层，储层为河流相沉积，主要砂体为有底钙存在的正旋回河道砂体，微电极曲线形态为箱型；其次为姚一段的葡萄花油层，储层为三角洲内前缘沉积，主要砂体为水下分流河道砂体，微电极曲线形态为箱型。

They are followed by main gravity-flow channel sandbodies and channel of middle fan in subaqueous fan.

次生孔隙形成的主要机理为：①黏土包膜的发育有利于次生孔隙的发育。

This paper analyzed packet channel multiplexing completed in VCLC sublayer and virtual channel multiplexing completed in VCA sublayer.

本文分析了VCLC子层的包信道复用和VCA子层的虚拟信道复用。

Two suboptimum alternatives are presented in the low or high SNR channel to reduce the energy consumption. Under the identical local sensor and the same channel SNR assumption, we study the fusion statistic in the last.5 Based on modified Apriori algorithm, this thesis proposes a novel node association rule mining algorithm for exploiting the inherent correlations between sensor readings.

考虑到传感器网络的资源受限，对信噪比较高或较低的情况下又提出了两种简化的次优融合规则，最后讨论了同类传感器模型下的融合情况。5通过对传统Apriori算法的改进，提出了一种节点关联规则挖掘方法来发现大量节点之间的有趣关联或相关联系，以此消除节点之间的信息冗余。

According to experiences of our country reform and open policy for 30 years, and the trade channel successional variation process experiences for 150 years of the West, analyzed the characteristic and the evolution relations of four kinds of channel patterns.

而在知识经济时代的角逐和竞争中，越来越多的企业管理者都相信，在增强和维持企业的竞争能力方面，与物质资本相对而言，知识将成为企业最重要的资源，知识创新将成为企业市场价值最重要的源泉，将为企业的发展提供不竭的动力。

Marketing Channel just acts the role as companies' logistics in marketing activities. Marketing channel means the sum of a series of independent organizations and units which are founded to transmit the manufactured products from the companies to the customers.

市场营销渠道便是企业市场营销活动的后勤，所谓市场营销渠道是负责将企业生产的产品转移到消费者手中的一系列独立组织或单位的总称。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&