验证理论

The main results of this research are as follows:(1) A parallel algorithm for solving dense matrix linear equations on distributed-memory multi-computer is presented. Convergent velocity of this algorithm is better than parallel Jacobi method"s, and parallelism is better than Gauss-Seidel method"s. According to theoretical analysis, convergent conditions are given. Moreover numerical experiments indicate that results agree with theory.

主要完成了如下研究工作：(1)提出了一种求解系数矩阵为稠密矩阵的线性方程组的适合于MIMD分布式存储的并行迭代算法，该算法设计上兼取了Jacobi算法并行性好的优点和Gauss-Seidel算法收敛速度快的长处，并且在理论上给出了该算法成立的收敛性条件，并通过数值计算验证了此算法结果与理论相符合。

On the contrary, the discontinuous spectra FMICW need wider continuous bandwidth so the sidelobes is relatively lower. To sum up, the discontinuous spectra waveforms are synthesis studied in this paper. The resolution and processing method of waveforms with discontinuous spectra are basically solved.

综上，本文对非连续谱高频雷达信号进行了综合的研究，首次建立和完善了非连续谱高频雷达信号分辨和二维处理的基本理论，通过仿真验证了理论和算法的可行性。

Among them, the most important one is that the characteristics of mid-latitude irregularities cannot be deducted from equatorial theories. The midlatitude model is very important and useful.

资料分析结果对我们的理论模型结果进行了验证，同时也提出了一些新的问题，促使今后理论的进一步发展和完善。

Relationship between IL and relevant network parameters is presented by network theory. Network structure of EMI power line filter and its computation method for IL are discussed. Common mode and differential mode equivalent circuit model of single-phase power line filter and the high frequency distribution parameters model of filter device are established. Meanwhile, the main characters of soft ferrite are analyzed, and its implement on the EMI power line filter and its equivalent circuit model are given. According to the preceding theory, the software for IL of power line filter and the design of filter inductor are programmed. The difference between the imitative and practical results is analyzed, and the rational of the equivalent circuit model is tested.

文中应用网络理论分析了EMI电源滤波器的插入损耗与相关网络参量的关系，讨论了EMI电源滤波器的基本网络结构及其插入损耗的计算方法，建立了单相电源滤波器的共模及差模等效电路模型及滤波器件的高频分布参数模型，然后分析了软磁铁氧体材料的主要性质，讨论了软磁铁氧体在EMI电源滤波器中的应用，建立了软磁铁氧体磁芯的等效电路模型，最后根据以上理论编制了滤波器插损分析软件和滤波电感设计软件，并对软件仿真结果与实际测试结果进行了对比分析，验证了各个等效电路模型的合理性。

This study is based on the Stanford equation and aims at getting high yield and high quality rice. With the aid of stage and monomial method of quantitative determination, the three parameters of the precise and quantitative N application theory and technology were measured and validated.

以水稻高产优质为目标，以斯坦福方程为理论基础，配合现有阶段性的、单项的定量测试方法，对水稻精确定量施氮技术理论的3个参数进行测定及验证，初步找到了一些研究思路和方法。

According to theoretical analysis, it is convergent and has good convergence if the coefficient matrix is a nonsingular matrix. Moreover, examples have been implemented on HP rx2600 cluster, and the data verify that the numerical results of this algorithm coincide with its theoretics.

在理论上，算法只要系数矩阵A是非奇异矩阵就能够收敛，而且有较好的并行性，在HPrx2600集群上进行数值试验，验证了算法的计算结果与理论相一致。

The critical point means such a state that all the differences between gas and liquid disappear completely,being a most important parameter of dividing the types of fluid and being widely verified in both theory and practice.Currently,four methods of determining critical point are summarized as follows:①laboratory measurement through examining critical opalescence or recording the bubble point and dew point curves;②empiric relation;③calculation of the bubble point and dew point curves by PVT software;and ④ direct calculation according to thermodynamic theories.

随后对临界点进行确定，临界点是气液一切性质差异均消失的状态，是区分流体类型最重要的参数，并得到了理论和工程应用的广泛验证，目前确定临界点大致有四种方法：①实验测定，通过观察临界乳光现象或记录流体的泡点和露点线；②经验关系式；③通过PVT软件计算流体的泡点和露点线；④利用热力学理论直接计算。

The theoretical and computational results show that an important reason resulting in eccentric wear of the inner cylinder and the pumping rod lies in the nonuniformity of the stress distribution on the outwall of the inner cylinder which yields excentralization effect of the pumping rod when swabbing fluid flows in eccentric annuli with the pumping rod moving axially in a well.

在实验上，通过不同重量百分比浓度的HPAM水溶液在内管做轴向往复运动的偏心环空中非定常流实验，把由理论公式算得的时间平均流量与实验中测得的时间平均流量做了比较，验证了本文数值计算幂律流体在内管做轴向往复运动的偏心环空中非定常流方法的正确性；上述的理论与计算表明，抽油机井杆管偏磨的一个重要原因是，在聚驱工况下，抽汲液体在抽油杆做轴向运动的井筒中流动时，抽汲液体作用在抽油杆外壁上的压力分布的不均匀性所引起的抽油杆在井筒中的偏心效应。

The paper calculates and analyses an coupling oscillating mode trait of chute -flow-dam body and the dynamic stability of the chute of overfall concrete face rockfill dam by using ANSYS finite element software and the theory of fluid-solid coupling.

采用ANSYS有限元软件和流—固耦合理论[1，2]，计算、分析了溢流混凝土面板堆石坝的泄槽—水流—坝体的耦合振动模态特性和泄槽动力稳定性，同时应用随机振动理论对脉动压力作用下的泄槽及地基的动力响应作出了定量估算，与原来的双渐方法的结果进行了比较，验证了计算结果的合理性，进而分析了坝体动弹模和堆石厚度对系统动力特性的影响。

There were many schemes that have been applied to these system to minimize the contouring error, but the effects of these scheme are usually undesire. A repetitive control algorithm was applied here to improve the precision of the system. Experimental results indicated that the periodic error decreased 90% by using the repetitive control method.

另外我们也针对系统的最重要指标—精度—的控制，比较传统伺服控制与往覆式控制理论，在整体系统的要求下整合的可行性并进行相关的实验，而由实验验证往覆式控制理论针对周期性误差信号所具有的特殊补偿现象，并由此得到往覆式控制器的基本特性。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。