实现

multi-channel correlators are widely used in traditional pseudo-random code cw radar,which makes the ranging system more complicated.this paper proposes a method of digitalizing the return signal directly and then convoluting the signals on dsp,which can replace multi-channel correlation in analog circuit.but the computation of convolution is too huge for the dsp to fulfill.to solve this problem,this paper analyzes five fast algorithms including fft,and then chooses one according to the characters of prc-cw radars.the digital method and fast algorithm have been verified by simulated signal and real signal.

一种提高空间伪码扩谱测距精度的实用。。。摘要：传统的伪码调相连续波雷达采用多路模拟相关电路实现对回波信号的相关接收，通过多路试探搜索各距离单元的目标，电路复杂。提出的数字化方案，对回波信号直接数字化，利用高速dsp实现数字卷积，可替代多路模拟相关电路。但是直接卷积的运算量过大，dsp无法承受。本文对此进行了研究，分析了包括fft在内的五种快速算法，结合prc-cw雷达的具体情况，确定了一种适于dsp实现的快速卷积算法。仿真和实测数据证实了数字化方案及快速算法的正确性。

multi-channel correlators are widely used in traditional pseudo-random code cw radar,which makes the ranging system more complicated.this paper proposes a method of digitalizing the return signal directly and then convoluting the signals on dsp,which can replace multi-channel correlation in analog circuit.but the computation of convolution is too huge for the dsp to fulfill.to solve this problem,this paper analyzes five fast algorithms including fft,and then chooses one according to the characters of prc-cw radars.the digital method and fast algorithm have been verified by simulated signal and real signal.

摘 要：传统的伪码调相连续波雷达采用多路模拟相关电路实现对回波信号的相关接收，通过多路试探搜索各距离单元的目标，电路复杂。提出的数字化方案，对回波信号直接数字化，利用高速dsp实现数字卷积，可替代多路模拟相关电路。但是直接卷积的运算量过大，dsp无法承受。本文对此进行了研究，分析了包括fft在内的五种快速算法，结合prc-cw雷达的具体情况，确定了一种适于dsp实现的快速卷积算法。仿真和实测数据证实了数字化方案及快速算法的正确性。

The process features and shape features of the electronic part are classified and defined, and then the feature model library is built, which enables rapid input of the part information. The rules and methods of stamping process design are summarized to build the stamping process library, so that the stamping process can be designed rapidly and intelligently. Furtherly, the process design rules and methods in process station layout of multi-station progressive die as well as the methods of decompounding and compounding process and the expression method of the process station layout are concluded and summarized, and then the rule library and case library of process station layout are built. Designing the process station layout rapidly is carried out based on rules and cases. At last the rapid design function of process station layout is validated through simulating the rapid designing layout system of multi-station progressive die on Pro/E 3D platform.

主要研究成果有：对电子产品冲压件的工艺特征与形状特征进行了分类和定义，建立了特征模型库，实现了冲压件信息的快速输入；归纳了冲压工艺设计规则和方法，建立了冲压工艺知识库，实现了冲压工艺快速与智能化设计；归纳总结了多工位级进模工步排样中的工序设计原则和方法，工序分解与工序组合方法，工步排样知识的表示方法，建立了工步排样规则库和实例库，利用基于规则和实例的推理方法，实现了工步排样的快速设计；在Pro/E三维软件平台上开发了电子产品多工位级进模工步排样快速设计系统，系统通过实例验证了工步排样的快速设计功能。

The historical limitations and lag behind presented in Principles of Civil Law issued in 1986 dissimilates the contents regarded by the harmonious society nowadays on the pattern of interests.

从法学角度讲，&实现社会和谐，建设美好社会& [1]应该由法律保障其建设与发展，即保障我国在和谐社会建设中实现&民主法治，公平正义，诚信友爱，充满活力，安全有序，人与自然和谐相处的社会& [2]。要实现这一目的，必须完善社会主义法律体系。

In organization level, design activity fragmentizing strategy and negotiation mechanism are applied to schedule the collaborative design process. To present the uncertainty in design, resource sharing, message passing and real-timed interaction between programs, the integrated control Petri net is adopted to model and simulate the collaborative level. Control level is realized by workflow model, which control the tasks in collaborative design by means of user management, access control and task control rules.

本文通过细化设计活动策略和协商机制，实现了组织级的协同设计过程规划；针对常用的有色Petri网方法不能解决实际系统运行中出现的不确定性、资源共享、信息传递和外部程序的实时交互等问题，通过对有色Petri网的扩充，提出了采用集控Petri网方法，用于协调级的建模和仿真；采用工作流模型为控制级实现，从用户管理、访问控制模型、协同任务控制规则三个方面实现协同设计过程的任务流控制。

Then make the comprehensive comment to the objective foundation and realistic margins of the economic development of city country of Ningxias; Analyze the basic situation, characteristics, main illness of the whole industry development and the influence factor of the further developments of Ningxia; Further summing up the practice of Town construction and its interaction with country in Ningxia region, inducing three experiences of the positive interactive development of the city country, namely: to make science programming before city country coordination, to interact surrounding the area of the agriculture science and technology park ,to interact in developing agricultural product industry; to interact Will rely on the capital of city and the system creative ;to interact still exist in the process of the forestation in mountain area ;finally the paper put forward the management counterplans of interaction of the city country of Ningxia, among them generalize the industry organization mode of the interaction development as" five change": the layout centralize, enterprise collectivize , the information globalizes, the industry ecosystem ,the management itemize ;Generalize the operation mechanism as" four move": the enterprise in active, the government push, the industry move together.

文中综述了马克思主义和西方经济学的基本理论观点，我国已有的主要发展模式；对宁夏地区城乡经济发展的客观基础和现实差距进行了综合评述；分析了宁夏全区产业发展的基本态势、特点、主要病症和进一步发展的影响因素等；总结了宁夏城镇建设与农业、农村互动发展的实践，归纳出城乡互动良性发展的三条经验，即：实现城乡统筹协调要有科学规划，围绕农业科技园区建设搞互动，在加快发展农产品加工业中搞互动；将依托首府城市，通过管理体制创新实现互动发展，结合退耕还林还草活动推动山区城乡互动发展，以及发挥小城镇带动作用，城乡共建特色产业实现互动发展，分别作为一个发展模式。最后提出了宁夏地区城乡互动发展的管理对策，其中将互动发展的产业组织模式概括为&五化&：即布局集群化、企业集团化、信息全程化、产业生态化和管理项目化；将运作机制概括为&四动&：即企业主动、政府推动、产业联动、资金滚动。

Although those hypothesizes need to be tested by time, the possibility should not be denied completely in such an environment of the union of the technology and culture.

这些假设是否会实现，还需要时间的检验，但在科技与文化逐步实现整合的大环境下，也不是没有实现的可能。

In order to facilely perform testing on C or C++ programs, a prototype tool called CppTest is designed and implemented. It can employ three levels'testing, namely (1) structural testing in method level by analyzing program's constructs, instrumenting probes, redirecting I/O stream, etc.,(2) state-based class level testing through modeling state transition behaviors using an extended finite state machine from the class specifications, and (3) system level black-box testing with some traditional strategies such as equivalence partitioning and boundary-value analysis.

以目前普遍使用的C/C++程序作为测试对象，实现了一个能进行方法级、类级和系统级三个级别测试的原型系统CppTest：基于程序CFG图分析、探针插装和I/O重定向等技术，实现方法级结构性测试；按照需求规约运用EFSM对类的状态转换行为进行建模，并依此自动生成测试用例集，实现基于状态的类测试；在系统级别上，运用等价类划分、边界值分析等常规策略进行黑盒测试。

In view of these shortcomings, this frequency meter has made the radical innovation in the design, its merit is: Uses the core component is the advanced monolithic special-purpose frequency measurement component -- monolithic frequency meter, the integration rate is high, the volume is small, consumes the electricity province, function, has realized the frequency meter high integration and the microminiaturization; So long as the monolithic frequency meter adds on the crystal oscillator, the measuring range choice, the frequency demonstrated and so on the very few components then constitute DC to the 10MHz miniature basic frequency measurement electric circuit; But the biggest merit was this frequency meter has realized monolithic frequency meter, frequency sampling electric circuit and the monolithic microcomputer three between hardware and the software connection completely, caused the frequency measurement measuring range the choice, the frequency data survey, the sampling as well as the code frontier transformation and the data dump possible monolithic microcomputer software programming automatically to carry on, thus has realized the frequency measurement and the sampling work intellectualizes completely, causes this system already to be possible to constitute a miniature intelligence to measure rate the instrument core electric circuit independently, also might take in the large-scale automatic control or a test system intelligent subsystem.

针对这些缺点，本频率计在设计上作了根本的革新，其优点是：所用核心器件是先进的单片专用测频器件——单片频率计，集成度高，体积小，耗电省，功能强，实现了频率计的高度集成化和微型化；单片频率计只要加上晶振、量程选择、频率显示等很少量的器件即可构成一个DC至10MHz的微型基本测频电路；而最大的优点则是本频率计完全实现了单片频率计、频率采样与单片微机三者之间的硬件与软件接口，使得测频量程的选择、频率数据的测量、采样以及编码的边境转换和数据的转储均可能过单片微机的软件编程自动进行，从而实现了测频与采样工作的完全智能化，使得本系统既可独立构成一个微型智能测率仪器的核心电路，也可作为大型自动控制或测试系统中的一个智能子系统。

In view of these shortcomings this frequency meter has made the radical innovation in the design its merit is: Uses the core component is the advanced monolithic special-purpose frequency measurement component -- monolithic frequency meter the integration rate is high the volume is small consumes the electricity province function has realized the frequency meter high integration and the microminiaturization; So long as the monolithic frequency meter adds on the crystal oscillator the measuring range choice the frequency demonstrated and so on the very few components then constitute DC to the 10MHz miniature basic frequency measurement electric circuit; But the biggest merit was this frequency meter has realized monolithic frequency meter frequency sampling electric circuit and the monolithic microcomputer three between hardware and the software connection completely caused the frequency measurement measuring range the choice the frequency data survey the sampling as well as the code frontier transformation and the data dump possible monolithic microcomputer software programming automatically to carry on thus has realized the frequency measurement and the sampling work intellectualizes completely causes this system already to be possible to constitute a miniature intelligence to measure rate the instrument core electric circuit independently also might take in the large-scale automatic control or a test system intelligent subsystem.

摘要传统的测频仪器体积很大，耗能量大，主要靠手工操作，而最大的缺点是不可编程，其量程转换、数据测量、采样控制和处理等均不能通过程序指令来进行控制，无法作为一个微型智能子系统与某一大型自动控制或测试系统进行接口。针对这些缺点，本频率计再设计上作了根本的革新，其优点是：所用核心器件是先进的单片专用测频器件——单片频率计，集成度高，体积小，耗电省，功能强，实现了频率计的高度集成化和微型化；单片频率计只要加上晶振、量程选择、频率显示等很晌慰的器件即可构成一个DC至10MHz的微型基本测频电路；而最大的优点则是本频率计完全实现了单片频率计、频率采样与单片微机三者之间的硬件与软件接口，使得测频量程的选择、频率数据的测量、采样以及编码的边境转换和数据的转储均可能过单片微机的软件编程自动进行，从而实现了测频与采样工作的完全智能化，使得本系统既可独立构成一个微型智能测率仪器的核心电路，也可作为大型自动控制或测试系统中的一个智能子系统。关键词高度集成化，单片机，频率计，电路

The objective is to subjugate and discourage the people, because that allows the elite to continue to rule unopposed.

其目的是压制和打击人民的积极性，因为这可以让实权派继续统治不会沦为反对派。

GOD,this is the second time you vanquished me!

天啊，这是第二次你打败了我！