结合原理

The layout having accomplished the complete machine external form putting the dyadic spirit face hammer crusher together designs the main body of a book, application and operating principle having introduced the type crusher of all kinds's, at present domestic crusher current situation and developing trend and, adopt the one-level cone tooth to reduce the speed combining with the broken ability and request; Condition having set forth a gear wheel becoming invalid; Hydraulic coincidence the implement operating principle; The coal moisture content breaks effect in process to being broken; Impact of the coal size over broken effect; Break the machinery be maintained to pieces.

本文完成了综采工作面锤式破碎机的整机外形的布局设计，介绍了各类型破碎机的应用和工作原理，以及目前国内破碎机的现状和发展趋势，结合破碎能力及要求采用一级锥齿减速；阐述了齿轮失效的条件；液力偶合器的工作原理；煤的水分对碎破过程中的影响；煤的粒度对破碎效果的影响；破碎机械的维修。

This paper introduces the basic theory of fly-back topography and current mode PWM firstly. Then the total structure of the single-chip controller is present according to the function requirement and the working theory and the working principle are showed based on its actual application.

文中首先分析了反激变换的拓扑结构及电流反馈模式PWM控制的工作原理，然后根据设计要求完成了AC/DC电源管理集成电路整体结构的设计，同时结合实际应用电路阐述了其工作原理。

The principle of arch effect formation has been analyzed, and the formation condition and improving rule of arch effect has been set forth, combined with the mechanical theory of arch structure.

在此基础上结合拱力学原理，分析了气冲拱效应形成原理并提出了拱效应的形成条件和改进原则。

Afterwards, thought the real case of FRITT Institute, it sets a good example of IPD application by fully illustration on how to adjustment product development system, organization structure and process management, and so on ,to build up market-, customer-oriented and cross functional product development process.

接着通过FRITT研究所公交车载仪开发项目的实际案例，介绍了如何应用IPD原理进行产品开发体系调整、产品开发组织结构和流程整合，建立面向市场的、跨部门团队的集成产品开发流程。最后，结合本人在工作中的实际经验和教训，探讨了应用IPD原理在产品开发的启示。

This paper introduces the simulation method and advanced computer technology combining with ship statics principle into cargo shipment of bulk grain carrier,and develops loading simulation system of the bulk grain carrier. And introduce the principle of system and method of implement particularly. This Paper describes the relating high precision calculation algorithms of the stability,trim and strength calculation used by the loading software in detail,focuses on the algorithms of numerical value integral and curve difference and imitate algorithms.

另外，本文还引入模拟的方法，采用先进的计算机技术，结合船舶静力学原理和散装谷物船舶稳性校核的特殊要求，开发了散装谷物船舶的装载模拟系统，并详细介绍了该系统的原理和实现方法，在计算方法上，采用了高精度的浮态、稳性、和强度的计算方法。

It brings a breakthrough in technology for the design and production of woven photograph with the application of electronic jacquard and CAD.

电子提花技术和CAD技术的应用，给像景织物的设计和生产带来了技术上的突破，文章结合双面像景织物的特点，从设计原理出发，对电子提花双面像景织物的产品设计原理进行深入分

The application of electronic jacquard brings about a breakthrough in technology for the design and production of colorful woven photograph .

电子提花机的应用给彩色像景织物的设计和生产带来了技术上的突破，文章结合彩色像景织物的特点及色彩原理，对电子提花彩色像景织物的产品设计原理进行了深入分

Based on the interference characteristic, the sidelobe cancellation in time is presented and the procedure is designed, which achieves good results that the detection distances of OSMAR is increased by over 40km. At last the dissertation summarizes the application of beamforming in HFSWR, its effect and defects. 5 The dissertation discusses the application of orthogonal expansion method in HFSWR. At first, the traditional OE algorithm is introduced, and the output form is concluded. Then the dissertation discusses the influence of OE method on target signal.

首先介绍了阵列天线的方向图，接着阐述了波束形成的基本原理，然后引入了自适应波束的概念，讨论了确定权函数的准则，介绍了自适应波束形成在高频地波探海雷达中的应用和兼顾目标信号的波束形成；重点介绍了自适应旁瓣对消的原理和权系数计算方法，结合高频地波探海雷达数据特点，设计了在频域用旁瓣对消法消除射频干扰的处理过程，给出了处理结果，并对其效果进行分析，进而提出在时域进行分段旁瓣对消的新方法，设计了处理流程和计算方法，然后给出处理结果，该方法能提高OSMAR探测距离40km以上。

Based on the above results, the problems of the electromagnetic interaction between a perfect conducting plate and 1-D/2-D conducting slightly random rough surface and the problems of the electromagnetic interaction between a dielectric spherical particle and dielectric slightly random rough surface are investigated. By using the reciprocity theorem, Small Perturbation Method and Physical Optics approximation, the solution for the composite scattering field from the composite target is derived and evaluated, and the numerical results are discussed and analyzed.

在此基础上，用互易性原理分别研究了一维、二维导体微粗糙面与其上方金属导体平板目标的复合电磁散射及介质粗糙面与其上方球形粒子的复合电磁散射，结合互易性原理和粗糙面散射微扰法及物理光学近似导出了复合散射场的计算公式并进行了数值计算，对计算结果进行了讨论和分析。

The main contents is: analyzing some detection method to moving target nowadays; particular studying the principle of detection moving target in SAR; analyzing SAR imaging theory and the echo model of moving target; discussing conventional SAR imaging , the movements of target cause the changes of doppler mass center and regulable frequency, and the changes cause effect the imaging result; introducing the estimation method of doppler parameter; analyzing theory of DPCA, derivating the formula needed, and validating it's validity and practicability through simulation; advancing the improved DPCA algorithm that combine the advantage of DPCA and ATI, and validating it through computer simulation; using the revision algorithm to range ambulate based on keystone transformation, and validating it through computer simulation; discussing the compensation art of SAR imaging.

主要内容有：分析了现有的一些动目标的检测方法；详细研究了SAR动目标检测的原理；分析了SAR成像理论和运动目标的回波模型；探讨常规SAR成像时，目标运动引起的多普勒质心和调频率变化，以及这些变化对成像结果的影响；介绍了多普勒参数的估计方法；分析了DPCA原理，推导所需要的基本公式，并仿真验证其有效性和实用性；提出了结合DPCA和ATI优点的改进DPCA算法，并仿真验证；探讨了SAR成像中的运动补偿技术。通过对仿真结果的分析，本文提出的方法具有一定的指导意义和参考价值。

Do you know, i need you to come back

你知道吗，我需要你回来

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。