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Sampled by Tang Paradise, the basic characters of Tang Garden are analyzed and four characters are generalized , they are magnificence, splendor, austereness and with strong human atmosphere;the aesthetic and innovational characters of culture design ideas, the landscape ecology and innovational characters of ecology design ideas, the geographic landscape and innovational characters of planning design ideas are all analyzed in the paper,.

本文以唐芙蓉园为例，尝试分析唐代园林的基本特征，归纳为八个字：大气、壮丽、质朴、赋文四大特征；以大唐芙蓉园为例，分析其文化设计理念的美学特征及其创新特色；分析其生态设计理念的景观生态学特征及其创新特色；分析其规划设计理念的地景学特征及其创新特色。

Thesis on the topic of the washing that background, the task sources, to be accomplished by the development and function of the whole process Note the emphasis of the system design focus, design, database design and system solutions.

论文主要介绍了本课题的选题背景，课题来源，所要完成的功能和开发的全过程。重点的说明了系统设计的重点、设计思想、数据库的设计和系统的解决方案。

A simple design of iAIM that makes use of the above concept is proposed first, followed by an enhanced design that equips iAIM with a partial instruction decoder capable of calculating branch target address by decoding branch instruction.

运用上述概的一个简单设计会先提出，接著提出配备具有解码分支指并计算其分支目标位址能的部份指解码器的一个强化设计。

The sensitivity analysis which is based on the calculus of variations is used in the shape optimization. The design velocity field is solved by Herrmann method. An example shows that both the quality of the FEM mesh and the efficiency of the computing of the design velocity field are improved by Herrmann method.

算例表明优化过程中采用Herrmann网格均匀化法求解设计速度场，可以提高优化过程中网格的质量，速度场的求解效率也得到极大的提高从而优化的效果和效率都有明显提高。

Based on the research results of Chaos theory, in this dissertation, it has made detailed analysis of the chaotic signal generator. Firstly, the characteristic and various detection methods of chaotic signal are recommended. Secondly, with the aid of software, such as MATLAB, PSPICE, EWB, etc, discussion of the process of generating chaotic signal proceeds. Through simulation, the output result of several kinds of chaotic circuit are analyzed and compared. Thirdly, aiming at Chuas chaotic circuit, through debugging, the impacts by components and parts in the circuit, such as operation amplifier, capacity, inductor, etc, has been further investigated. And then provides a new scheme to implement Lorenz chaotic system, the circuit design and analysis are presented in detail and it can be realized by the hardware of programmable arrays FPGA, the experimental results indicate that this scheme has the advantages of easy operation, flexible design and high efficiency. An application example in secure communications is also provided. Finally, through picking up the characteristic parameter-Lyapunov exponent of the Chaos we can analyze the performance of different chaotic signal generators.

本文在混沌理论研究成果的基础上，对混沌信号的产生做了详细的分析，涵盖以下内容：首先介绍了混沌的定义，混沌信号的基本特性和各种判别方法，特别是对简单的一维Logistic映射的硬件实现问题做了初步探索；其次对混沌信号的产生方法进行讨论，借助于MATLAB、PSPICE、EWB等仿真软件，对几种混沌电路输出的混沌信号进行了分析比较，并在此基础上针对典型三阶连续自治系统Chua's电路作进一步实验研究，通过混沌电路调试，深入研究电路中各元器件，特别是运算放大器、电容、电感等对混沌信号时域以及频谱的影响；再次研究连续混沌系统的数字化硬件产生，设计了Lorenz混沌电路在现场可编程门阵列FPGA上实现的新方案，在保密通信中的应用实验结果表明该方案具有操作简单、设计灵活、效率高等优点；最后针对不同混沌系统，采取不同算法，提取混沌特性参数Lyapunov指数，进而对不同的混沌信号发生器的性能进行了分析。

The design process of the passive optical athermalisation was elaborated by an example. The result was analyzed with an optical design software. It shows that the design result meets the requirement of eliminating the thermal difference and chromatism at the temperature range of -40℃～+60℃.

最后用实例说明光学被动式无热化设计的求解过程，并通过光学设计软件对结果进行分析，说明该设计结果在-40℃～+60℃温度范围内均满足消热差和像差要求。

Secondly, the knowledge induced from experience, sample knowledge, model quantified knowledge are integrated organically in the field of ship design. The compound knowledge model is raised. A standardized modal system of compound knowledge in intelligent 3D-layout design of ship compartments is set up, by using object-oriented classify-decomposed relation and mixed knowledge expression of frames, regulars and methods. The intelligent support system of intelligent 3D optimal layout design of ship compartments is established based on compound knowledge base and inference engine.

其次，将船舶布置设计领域中经验归纳性知识、实例样本知识、模型数量化知识三者有机集成，提出了复合知识模型；结合舱室智能三维布置设计采用面向对象的知识分类分解关系及用框架、规则、方法的混合知识表达形式建立了一套复合知识规范化的形式描述体系，介绍了相应的推理机构造方法，提出了基于神经网络的舱室布置设计实例检索模型，并首次将其用于舱室布置设计实例的检索。

It's application methods on developing new machine tools with virtual design are investigated, systemic process from conceptive design, modeling digital prototype to examine design quality by simulation are summarized, also a new way to innovate a new machine is put forward in the thesis.

论文探索了虚拟设计技术在机床新产品开发的具体应用方法，总结了从概念设计、建立数字样机到评价考察设计质量的虚拟仿真分析整个过程的系统化技术，为机械产品的创新提出了新的思路。

It shows to design the condensator of the absorbing solar air condition,and analyse the influence of the heat transfer coefficient by the space between the wing,thickness of the wing,diameter of the tube and the grouping number,in order to achieve the optimizational design,It make the design process celerity and briefness,and make it that the influence other parameter brings more evidence.

对吸收式太阳能空调中的冷凝器进行了设计计算，并对其结构如翅片间距、翅片厚度、管直径、分组数等因素对传热系数、管内压降的影响进行了分析，以达到最优化的设计，本文运用Excel强大的图表和函数计算功能，使计算过程快速、简捷，并可以看到每个参数的变化对其他参数的影响，提出了使用于Excel计算冷凝器设计计算方法，避免了复杂的编程过程，为新型环保制冷机的设计优化提供一定的参考。

According to the demand of high magnetic field power supply, reference is increased with a set ramp rate and stops at a set stable value, so reference system is composed of digital setting and digit to analog converting circuit. But the stability of reference is mostly guaranteed by the performance of D/A circuit, so D/A circuit is particularly studied in reference system. The scheme of D/A circuit, the selection of DAC and its voltage reference, hardware anti-jamming design and PCB design are discussed in detail, and software of remote control and PLC are discussed in brief. Zero-flux DC current transformer well satisfies the demands of the high stability of Load current detection unit, so the principle of zero-flux DC current transformer is analyzed; in the mean time a project which detects the long term stability is designed. During 8 hours, analog signal which is detected with high precision digit multimeter is recorded in computer at 1HZ frequency by GPIB communication. The drift error source and related parameters are explained in the compare-amplify part. Detailed subtraction circuit is designed; also amplifier chip and periphery components are selected and verified according to the theory of error analysis.

根据强磁场电源的需求，参考源应按照软件设定的斜率逐渐上升到设定稳态值，则参考源系统应由数字给定和数模转换电路两大部分组成，而参考源的稳定度主要依靠完成数模转换功能的模拟电路的性能来保证，因此本文对参考源系统的研究以数模转换电路为重点，分别从电路方案的确定、数模转换芯片及其基准电压源的选取和验证、电路板硬件抗干扰和PCB设计几方面进行了论述，然后对数字给定部分的远控组态和PLC程序设计作了简要介绍；采用零磁通原理的直流电流转换器很好地满足了对负载电流检测单元高稳定度的需求，本文详细分析了零磁通检测的原理，并在选定此种类型电流转换器的基础上设计了一套检测长期稳定度的方案，8小时内以1秒为采样周期，通过计算机Labview程序和高精度数字电压表的GPIB通讯，将被高精度数字电压表数字化后的模拟信号采样值连续记录至计算机中；比较放大环节简要阐述了漂移产生的原因和相关参数指标，确定了具体的减法电路形式，并根据误差分析理论对运算放大器和外围元器件进行了选取和验证。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。