查询词典 synchronous

From comparative research of synchronous and asynchronous reaction of dehydrogenation and cracking of dipentene,it is shown that farraginous extent of by-products from synchronous reaction is relatively high.

双戊烯脱氢裂解的同步反应和异步反应对比研究显示，双戊烯脱氢裂解的同步反应产物比较混杂，反应产物中甲苯的相对含量仅为24.03%，双戊烯相对于甲苯的料耗比为5.34，甲苯的得率为30.79%，中间产物对伞花烃的得率为2.49%；双戊烯脱氢裂解的异步反应产物混杂程度相对较低，反应产物中甲苯的相对含量为40.74%，对伞花烃的相对含量为18.31%，双戊烯相对于甲苯的料耗比为3.33，甲苯的得率为49.26%，中间产物对伞花烃的得率为16.92%。

Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified PCNN model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. Secondly, PCNN is extended to PCNNs, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. Thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification; Finally, based on the accumulative difference pictures, and the forming and transmission of PCNN wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction.

首先结合PCNN的同步脉冲发放和侧抑制特性，提出了基于改进型PCNN的图像凹点检测算法，该算法是一种自适应而有效的图像凹点检测方法，并且较好地仿真了人类视觉系统；然后，结合信息传递和信息耦合特性，将PCNN扩展成PCNNs，提出了一种基于PCNNs的图像融合算法，能够将多个传感器获取的同一目标的图像信息融合到一幅图像中，有效模拟了人类视觉系统；另外，结合PCNN的同步脉冲发放特性、捕获特性和波的传播竞争特性，开拓地将PCNN用于模式分类中，提出了基于耦合神经元点火捕获／抑制特性的分类方法和改进的约束距离下的PCNN分类方法，前者可实现对样本空间中任意复杂分布训练样本的稳健非线性分类，而后者能够消除训练样本中刺点对分类的影响；最后，结合累积差分图像思想、PCNN波的形成与传播特性，通过各神经元之间连接取向来选择与控制自动波的流向，将PCNN用于运动视觉分析中的运动轨迹模拟及运动方向检测。

There are 3 combinational types of oil-gas system-synchronous parallel-type, heterochronous polymeric-type and synchronous cross-type.

含油气系统有同期并列式、异期叠合式、同期交叉式三种组合类型。

Synchronous parallel-type refers to the oil-gas system formed a relatively independent oil-gas system in the same stratigraphic range. Heterochronous polymeric-type refers to the stratigraphic and regional range overlaid in oil-gas systems which formed in different period. Synchronous cross-type refers to a mode of regional ranges crossed of two oil-gas systems.

同期并列式指含油气系统在同一地层范围形成彼此独立的含油气系统；异期叠合式是指不同时期形成的含油气系统地层范围，地区范围重叠的组合方式；同期交叉式是指两个含油气系统地区范围交叉的组合方式。

First, the application and development of synchronous motor in incremental motion control are discoursed. The classification of electrical machines are discussed under space magnetomotive force. So a new research direction on stepping control of synchronous motor is introduced, and the study of this dissertation is significant.

首先，论述了在增量运动控制中同步电动机的应用与发展，在空间磁势下将电机进行了归类研究，从而引出了同步电动机步进控制这一新的研究方向以及本论文研究的必然性。

Through the single chip computer controlling the synchronous gate, actualizes the measured signal and standard signal's synchronous measure in strobe time. For improving accuracy, it turns the function of frequency count into measuring period and actualizes equal accuracy measure by adopting the technology of the Multicycle Synchro-measuring.

通过单片机对同步门的控制，使被测信号和标准信号在闸门时间内同步测量，为了提高精度，将传统的测频功能转为测周期，采用多周期同步测量技术，实现了等精度测量。

The article combines domestic and international research, mix from small environment theory, microbiology theory the generation mechanism that intermediate child theory just faces synchronous nitration to turn over nitrify undertook summing up, analysed synchronous nitration to turn over the implementation condition of nitrify and influencing factor.

文章结合国内外探究，从微环境理论、微生物学理论和中间产物理论方面对同步硝化反硝化的产生气理进行了综述，并分析了同步硝化反硝化的实现条件和影响因素。

First, from the point of view of production and management, the importance for developing TTU is pointed out.the status in quo of technology,The direction of progress,The demand of practical and fundamentality in Distribution Automation are analyzed for Transformer Terminal Unit. The function of equipment and technical specification which meet demand of practical duty are indicated; Second, the scheme of synchronous sampling,quasi-synchronous sampling,non-integer cycle sampling,nonsynchronous sampling and algorithm are analyzed in detail. Then,the scheme of nonsynchronous sampling and multi-chunnel is ascertained. Moreover, the method of disposal sampling data for increasing precision which calculate the number of sampling per cycle dramatic by searching zero is introduced. The technique for analyzing data,stating data,storage data for Electrical Power Quality and control scheme for compensation capacitor are explained also. Finally, The scheme and structure of hardware,key circuitry using 80C196 singlechip,the scheme and ideology of software and flow chart of part software is introduced simply.

文中首先从电力生产、管理角度出发，指出了研制配变监测终端的重要意义，分析了配变监测终端的技术现状、发展趋势、现场需求以及在配网自动化中的基础地位，提出了满足实际运行要求的装置功能、技术要求；然后对目前常用的同步采样、准同步采样、非整周期采样、非同步采样的方案和算法进行了详细的分析、比较、筛选，确定了非同步采样和顺序采样的方案，并提出了一种寻找过零点从而动态计算每周采样点数的提高精度的采样数据处理方法，文中对装置中电能质量分析、统计、存储的方法以及补偿电容器的控制方案和投切原则也做了重点说明；最后，对应用80C196单片机系统研制的装置的硬件方案、结构以及关键电路和软件设计思路、方案、部分主要软件模块的流程图做了介绍。

For finite number of frequency bins, the maximum throughput of synchronous system is about twofold to that of asynchronous system. It can be seen that the synchronous FH—CDMA system is related to slotted ALOHA system, and the asynchronous system is related to unslotted ALOHA system.

此外，还对ALOHA系统与FH—CDMA系统作了比较，得出：当要求分组错误概率较小时，FH—CDMA系统的吞吐量比ALOHA系统大得多；窄带系统中的时槽与FH—CDMA系统中的同步跳频相对应，而窄带系统中的非时槽则与FH—CDMA系统中的异步跳频相对应。

Simulation shows that, compared with the feedback synchronous scheme, the method enables unsynchronous Henon system to synchronize and the transition time of synchronization of Bragg chaotic system to decrease to 12% of the feedback synchronous scheme.

模拟结果表明，该方法能够实现反馈同步方案不能同步的Henon映射系统，并能使Bragg混沌系统同步过渡过程所占用时间减小到反馈同步过渡过程所花时间的12%。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。