进行中的
- 与 进行中的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The method includes following steps:(1) initial frequency selection;(2) based on modulation mode adopted, the sending end carries out symbol mapping, changes signal spectrum based on label information of sub channel, and sends signal in time domain;(3) based on label information of sub channel, the receiving end carries out equalization for received signal, demodulates signal and accomplishes judgment;(4) carrying out channel estimation or prediction, the receiving end obtains updated information of signal state, and determines whether label information of sub channel is needed to update based on self-adapting judgment rule.
本发明提供了一种移动宽带信道中的自适应选频分块传输方法,该方法包括以下步骤:(1)初始选频;(2)发端根据所采用的调制方式进行符号映射,根据子信道标记信息改变信号频谱,并发送时域信号;(3)收端根据子信道标记信息对接收信号进行均衡,解调信号并完成判决;(4)收端进行信道估计或预测得到更新的信道状态信息,根据自适应判断规则,判断是否需要更新子信道标记信息。
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Base on the results computed by the Discrete Fourier Transform in demodulation and dispreading, the scheme can estimate accurately the parameters such as frequency, amplitude and initial phase of single tone jamming by analyzing two spectra lines having higher energy than other.
提出了一种精确估计多载波扩频系统中单音干扰参数的新方法,利用解调解扩中离散傅里叶变换的计算结果,通过选取其中能量最大的两条谱线进行分析,能够对单音干扰的频率、振幅以及初始相位等参数进行精确的估计。
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While the interferometric migration method migrates cross-correlated seismic data, the data-referenced-only migration method has no such apparent procedure. It extrapolates different parts of the recorded seismic wavefields and these extrapolated wavefields are referred to each other during imaging.
地震相干偏移是用地震数据的互相关处理后的数据进行偏移,而数据自参照偏移则不必在偏移前对数据进行互相关处理,而是通过记录数据中的两个不同部分波场的延拓来互相参照进行偏移。
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There are several steering modes depending on their steering aims. The distinction of different steering mode is studied. 3. The theories of ship steering are recapitulated and the mathematical models of ship steering are deduced.
从控制技术的角度对船舶的操纵性和操纵过程进行了深入的分析和研究,对操纵系统的各个组成部分及它们在船舶操纵过程中的作用进行了探讨,为专家控制理论在船舶自动舵控制系统中的应用奠定了基础。
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Prior to the completion of stoppering, transfer of partially closed containers, as used in freeze drying should be done either in a grade A environment with grade B background or in sealed transfer trays in a grade B environment.
在完成加盖前,半密封容器的传递,如在冻干中使用的,要在B级环境下的A级区进行,或在B级环境中的密封的转移盘中进行。
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In the third chapter, author takes a pair of mixed marriage (serving Sunan II School Tibetan teacher A and Yugur teacher B) to track the interview and make oral record of process of school-based curriculum development, and recommends the specific implementation and universalizes school-based curriculum research and development knowledge, fully reflects the expansion of school-based curriculum development and sustainability.
在第三章中,笔者就校本课程研发过程对异族通婚的教师夫妻(任职肃南二中的藏族教师A和裕固族教师B)进行跟踪访谈和口述实录;对全体研发人员在校本课程教材的资料搜集、整理及编制过程中的体会进行问卷统计分析,并提出校本课程评价、校本课程成果推广及校本教材实施的具体的操作性建议。
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The influences of the structural and movement parameters of the arc-track-type flexible holding and conveying mechanism and the sugarcane stalks geometric parameters on the conditions of sugarcane stalks outward windrowing, windrowing angle and distance were analyzed.
对甘蔗在夹持输送终点抛出后和着地时的运动学进行了理论分析,并建立了数学模型,推导出了甘蔗向外铺放的条件,以及甘蔗铺放距离、铺放角的理论计算公式,分析了圆弧轨道式柔性夹持输送装置结构参数、运动参数、甘蔗几何参数对甘蔗向外铺放、铺放距离、铺放角的相互影响规律;对甘蔗在夹持输送过程中的受力情况进行了理论分析,建立了甘蔗在夹持输送装置中所需最小夹持力模型,以及甘蔗质心距柔性夹持元件上端最大距离模型。
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Finally the investment in the course of convertible bond investment is studied. There is evidence that the market behavior of convertible bonds is much better than the stocks and bonds. Owing to the inconsistency of the price change between the stock and the convertible bond, by analyzing the change of conversion premium rate, the arbitrage can be realized in incomplete market. But investors must bear the price risk due to the trade system.
最后论文对可转换债券投资过程中的投资活动进行了研究,实证发现可转换债券的市场表现优于债券和股票;同时基于股价与可转换债券价格的变化不一致性,通过分析可转换债券的转换溢价率的变化,在无卖空市场中同样可以进行套利,只是投资者要承担由于交易制度造成的价格风险。
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In the third chapter, using the methods of nonlinear feedback functions and Lyapunov functions and combining analytical with numerical methods, the nonlinear feedback methods are introduced and the synchronizations of chaos in Hadley system of aerographs and LFRBM system of physics are realized. Some of nonlinear feedback functions are constructed.
第三章在介绍非线性反馈方法原理的基础上,应用非线性控制的基本思想及Lyapunov函数方法,将解析法与数值法相结合,分别对气象学中著名的Hadley环流和物理学中的LFRBM系统进行研究,找到了一类非线性反馈函数,实现了混沌自同步,并利用Mathematica软件进行仿真实验,数值结果说明了该方法的有效性。
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To optimize the reaction condition for the purpose of target compounds synthesis, the advance of 1,3-dipolar cycloaddition and click chemistry is reviewed. The conditions of the reaction between azides or nitrile oxides and terminal alkynes were optimized experimentally and the best operation condition was established.
论文综述了偶极环加成反应和点击化学的进展,特别对Cu催化的腈氧化物或叠氮化物与端炔化合物之间的1,3-偶极环加成反应进行了理论分析与实验研究对反应条件进行了优化,确立了实验室中进行反应的最佳操作条件。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。