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system of
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  系统
     RESEARCH ON INTELLIGENT PID CONTROL THEORY AND TECHNIQUE OF DIGITAL ELECTRONIC GOVERNING SYSTEM OF LOCMOTIVE DIESEL ENGING
     机车柴油机数字式电子调速系统智能PID控制理论和技术的研究
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     Study and Simulation of Control and Guidance system of Spinning Maneuver Warhead with Variable-Centroid
     旋转弹头变质心机动控制、制导系统的研究和仿真
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     A Study on the System of Digital Pulse Compression For Multi-waveforms in Frequency Domain
     多波形频域数字脉冲压缩系统的研究
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     Research of BIT Technology for Aero-engine Digital Controller and Integrated System of Avionics
     航空发动机数字控制器与航空电子综合系统BIT技术研究
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     Studies on Visual Rice Growth Models and Cultivation Expert System of Computational Intelligence
     可视水稻生长模型与智能栽培专家系统的研制
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  体系
     The Study of Training Content System of Chinese High Level Long Jumpers
     中国高水平跳远运动员训练内容体系的研究
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     The Research of Real Time Safety Monitoring System of the Bridges' Foundation and Engineering Application
     桥基安全性实时监控体系与工程应用研究
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     Study on Construction Micropropagation System of Virus-free Taro(Colocasia Esculenta L.) and on Sugar-free Tissue Culture
     芋(Colocasia esculenta L. Schott)脱毒快繁体系的构建以及组培苗无糖培养的研究
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     Research on the system of Information Management and consultation Support to SME's Business
     支撑中小企业的信息管理与咨询服务体系研究
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     The Study on the Marketing Security and Early-warning System of Enterprise
     企业营销安全及其预警体系研究
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  制度
     On the Trading Cost System of China's Securities Market
     我国证券市场交易成本制度研究
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     Socialist Theory of Income Distribution and System of Income Distribution in the Primary Stage of Socialism
     社会主义收入分配理论与社会主义初级阶段收入分配制度
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     A Research on the Legal System of Enterprise Liquidation
     企业清算法律制度研究
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     On the System of Administrative Compensation
     行政补偿制度研究
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     The Design of the Customs System of China
     我国关税制度设计
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     THEORETICAL AND EXPERIMENTAL STUDIES ON TWO DIMENSIONAL MINI-SIZE CONTROLLABLE ROLL SYSTEM OF ALUMINUM FOIL MILLS
     铝箔轧机二维微尺度可控辊系理论与实验研究
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     RESEARCH ON INTELLIGENT CONTROL SYSTEM OF HEAVY DUTY DIESEL ENGINE OF DIESEL LOCOMOTIVE BASED ON FUZZY LOGIC
     基于模糊逻辑的内燃机车大功率柴油机智能控制系统的研究
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     THE FABRICATION OF DIFFRACTIVE OPTICAL ELEMENTS AND ITS APPLICATION TO THE OPTICAL SYSTEM OF CCD CAMERA
     衍射光学元件制作及其在CCD相机光学系统中的应用
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     Studies on the endocrine cells in the nervous system and the digestive system of the mud crab, Scylla serrata (Forskal)
     锯缘青蟹Scylla serrata (Forskal)神经系统和消化系统内分泌细胞的研究
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     Study on the Magnet System of Microwave Tubes
     微波管中永磁结构的研究
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  system of
The least upper bound for the degrees of elements in a system of generators turns out to be independent of the number of vector variables.
      
Fourier transforms related to a root system of rank 1
      
Explicit bounds on the number of type V variables in a complete system of typical separating invariants are given for the binary polyhedral groups, and this is applied to the invariant theory of binary
      
We extend to general finite groups a well-known relation used for checking the orthogonality of a system of vectors as well as for orthogonalizing a nonorthogonal one.
      
We extend to general finite groups a well-known relation used for checking the orthogonality of a system of vectors as well as for orthogonalizing a nonorthogonal one.
      
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In this paper the general synthesis problem of optimal control systems with the criterion of transient responses as a positive integral functional (3) is discussed.In the first part it is assumed that the motion of controlled object is described by a system of ordinary differential equations and that the final states of the system form a bounded and closed convex region in n-dimentional euclidian phase space. A method is proposed for finding all optimal control functions which lead any starting state...

In this paper the general synthesis problem of optimal control systems with the criterion of transient responses as a positive integral functional (3) is discussed.In the first part it is assumed that the motion of controlled object is described by a system of ordinary differential equations and that the final states of the system form a bounded and closed convex region in n-dimentional euclidian phase space. A method is proposed for finding all optimal control functions which lead any starting state into the given final region of states. Some conclusions are obtained from the maximum principle by using transversal conditions of optimal trajectories in terminal points, and the particular properties of the stated problem are pointed out. The case of linear dif-ferential equations with integral quadratic functional criterion is investigated in detail.Further, in the second part the fundamental properties of isoloss regions, the rela-tions between the isoloss region and optimal control functions are indicated. As a direct result a partial differential equation determining the optimal loss-function J (x) is found and the connection between function J (x)and optimal vector control function u (x) is also stated. The methods proposed are practically the extension of the me-thods used by us for designing time optimal control systems as seen in [5, 6 ,7].Finally, an example is illustrated with optimal trajectories shown in phase plane.The necessary numerical data is calculated by an analog computer with high accuracy.

文中研究了具有公式(3)表示的一般正积分泛函的最优控制系统的综合问题.在第一部分中研究了具有控制参数的一阶微分方程组.控制系统的终点状态为n维相空间内的某一逐段光滑边界的闭性区域Ω.文中指出了根据极大值原理和轨道终点的横截条件寻找引到Ω的所有最优轨迹的方法.这里详细地研究了具有二次泛函和被积函数中不明显含有控制参数的质量指标泛函的线性方程情况.在文中第二部分研究了等损耗区的主要特性.指出了等损耗区与最优控制函数之间的关系.导出了求算最优损耗函数J(x)的偏微分方程,以及这一函数与最优控制函数u(x)的关系.上述方法是我们曾在文献[5,6,7]中用过的最优快速系统的综合方法的推广.文章最后举有例证.

In this paper some cases of optimum control are studied when the conditions at the ends of trajectories are constrainted. The boundary conditions of the system of the differential equations (19), (22), etc. are determined; the formulae of functional variation (20) are derived; and the sufficient conditions of optimality and necessary conditions in some cases are proved.

当軌线末端受有条件限制时,将使最优控制系統有关的微分方程的边界条件变得复杂。本文考虑了各种受限情形,提出了确定边界条件的方法,得到泛函改变量公式,討論了控制最优性的充分条件以及在某些情形下的必要条件。

Emission and absorption band spectra of sulphur dioxide were studied in the region between 2600 to 2000 A.U. A new system of emission bands (about 150 bands) was found. When these bands were compared with the absorption bands and Mr. Lotmar's fluorescent bands, coincidences were found which amount to 40% and 50% of the total number of absorption and fluorescent bands respectively. These agreements and the very different structure as compared with the SO bands recorded on the same plate made it very probable...

Emission and absorption band spectra of sulphur dioxide were studied in the region between 2600 to 2000 A.U. A new system of emission bands (about 150 bands) was found. When these bands were compared with the absorption bands and Mr. Lotmar's fluorescent bands, coincidences were found which amount to 40% and 50% of the total number of absorption and fluorescent bands respectively. These agreements and the very different structure as compared with the SO bands recorded on the same plate made it very probable that SO2, is the emitter of these emission bands. Evidences were also found that these emission bands arc not the known bands of O2, Oa+ and S2 in the same region. As a further support a vibra-tional level scheme was worked out, using the three fundamental frequencies of the normal SO2, molecule (1150, 525, and 1360 cm-1) in the lower state and 750 and 350 cm-1 (possible also 1110 cm-1) as the frequencies in the upper state. This scheme accounts for 1Q% of the absorption bands, 70% of the emission bands and a small fraction of the fluorescent bands. While the scheme may not be the final due to the complexity of the vibrational formula, one feels fair, as far as the present evidence goes, to conclude that the emission bands observed are actually emitted by the SO2, molecules and that they can be fitted by a vibrational level scheme based on the three known fundamental frequencies of the normal state.

此文目的在报告二氧化硫气体分子之吸收光谱及发射光谱(emission speetrun)之研究光谱区域约在2000A与2600A间有一新组发射光带(band)发现。数约百五十在吸收光带中有百分之四十之光带与此发射光带附合。在Lotmar先生之弗光光谱(fluorescent speetrum)中,有百分之五十之光带与此发射光带附合并此所得之发射光带之结构与SO之光带显有区别,令人设信此发射光带为SO_2分子所发者。在另一方面,找到证据,所得之发射光带亦非0_2,O_2~+及S_2诸分子之光谱为求更进一步之证实,试以SO_2之三基本振动数(fundamental frequency)1150,525及1360cm~(-1)为能力阶梯之差而作一常态(normal state)下之能力阶梯。再用750,350cm~(-1)(或1110亦用)为分子在激态(excited state)时之振动数,而作一激态下之能力阶梯所得之能力图(energydiagram)可说明吸收光带之70%,发射光带之70%及弗光光带之一小部份,此能力图并不完全,故不能望其为最终者。以三原子分子情形复杂,完全正确之分析,尚有待焉。之 能 力唯协...

此文目的在报告二氧化硫气体分子之吸收光谱及发射光谱(emission speetrun)之研究光谱区域约在2000A与2600A间有一新组发射光带(band)发现。数约百五十在吸收光带中有百分之四十之光带与此发射光带附合。在Lotmar先生之弗光光谱(fluorescent speetrum)中,有百分之五十之光带与此发射光带附合并此所得之发射光带之结构与SO之光带显有区别,令人设信此发射光带为SO_2分子所发者。在另一方面,找到证据,所得之发射光带亦非0_2,O_2~+及S_2诸分子之光谱为求更进一步之证实,试以SO_2之三基本振动数(fundamental frequency)1150,525及1360cm~(-1)为能力阶梯之差而作一常态(normal state)下之能力阶梯。再用750,350cm~(-1)(或1110亦用)为分子在激态(excited state)时之振动数,而作一激态下之能力阶梯所得之能力图(energydiagram)可说明吸收光带之70%,发射光带之70%及弗光光带之一小部份,此能力图并不完全,故不能望其为最终者。以三原子分子情形复杂,完全正确之分析,尚有待焉。之 能 力唯协所得之能 力 圆 山。。。,。w山。…。。。。\可。Z5t 叫 吸收 几 卅之70九传 时 光排 上 7,%及 比 儿 儿 卅上 一 个 部 份 此 能 力 闲 伙 不 正 全;故个能 望IC iX侦相 许 nt原一户 外 广似形 应 输,完全 正雕之分 析。尚有

 
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