查询词典 technique

the digitized mapping technique is to combine the field data collection system with the computer assisted mapping system in surveys by computer technology.it aims to realize the information collected and processed digitally and automaticaity.the digitized mapping technique can cut short the working time,lighten the labor intensity and enhance the precision of the productions.the system consists of three parts,such as data input,data processing and data output.the survey-record digitized mapping technique is widely used in the digitized mapping working pattern.for its superiority over traditional plane-table mapping in accuracy and efficiency,the large scale digital mapping is becoming more and more popular.compared with traditional analogue mapping,digital mapping has more quality control pivotai points,and its contents and methods are more complex.with the appearance of new technology gps ,the coordinate of different levels controlling points may be surveyed in high precision and it has been applied widely in topographic survey.the operation process of gps electronic tachometer is introduced and its application in topographic survey is br

计算机应用论文，计算机论文， rtk ，全站仪，数字测图，地形测量， gps论文摘要：数字测图是在测量工作中利用电子计算机技术将野外数据采集系统与内业机助制图系统相结合，其目标是实现信息采集处理的数字化、自动化、信息化。数字测图可以缩短作业时间，减轻劳动强度，提高成果精度。数字测图系统主要由数据输入、数据处理和数据输出3部分组成，数字测图作业模式中测记式数字测图应用最为广泛。大比例尺数字测图正以其测图精度高，成图速度快等优势逐步的取代传统的，以平板仪为主的模拟测图。与传统的模拟测图相比，数字测图的质量控制关键点更多、内容与方法更为复杂。gps 新技术的出现，可以高精度并快速地测定各级控制点的坐标，在地形测量中已得到广泛地应用。本文介绍了gps 配合全站仪的作业流程，简要阐明了其在地形测量中的应用。在利用实测数据成图的过程中，解决一些常见的问题，并给出解决的办法及依据，同时给出一些有益的结论，以适应实际使用的需要。

Under the background of the development of computer technique, digital compressing technique, rapid wide band technique and rapid high capacity memory, it is a trend to digitize television screening, manufacturing, transmitting and broadcasting.

随着计算机技术、数字压缩技术、高速宽带网络技术和高速大容量存储介质的不断完善，电视从拍摄、制作、传输、存储和播出的各个环节走向全面数字化是一个必然趋势。

In this paper the technique of Thermo Time Domain Reflectometry is introduced to make measurements of a wide range of soil physical properties.We outline the theories of TDR technique for water content and electrical conductivity measurement, and heat pulse technique for determination of volumetric heat capacity, thermal conductivity, and thermal diffusivi...

本文以热脉冲技术和时域反射技术的理论为基础，介绍了利用热脉冲技术时域反射技术连续定位测定土壤含水量、电导率、温度和热特性的原理，并利用土壤热特性与容重和含水量的关系，导出了土壤容重、饱和度和通气孔度的计算公式。

The analysis, simulation and experimental results show that MPT control technique has much faster transient response than traditional PWM control technique and much lower output voltage ripple than the pulse train control technique.

研究结果表明，MPT控制变换器比传统PWM控制变换器瞬态性能更好

Have implemented a Trojan Horse system, named SAKER which introduces advanced hiding technique, spreading technique and safe communicating technique.

主要完成了以下工作：(1)研究了网络信息对抗技术，重点研究了网络攻击技术。(2)深入研究了基于木马的网络攻击技术。

The invention combines the visual divided storage technique with the 3D stereograph technique by the data fusion technique, therefore, each generated icon is a 3D stereograph in which the confidential information is stored dividedly.

本发明通过数据融合技术，将可视分存技术和三维立体画技术结合起来，所生成的n幅图标每一幅单独是三维立体画；又可以在三维立体画中分存隐藏秘密信息。

The blind assisting target recognition system(written as 'SYSTEM' for short thereinafter) that is studied in paper is based on the technique of image processing and recognition. It is in virtue of the newest development production of modern image technique and machine vision, and is benefited from hominine thought, investigated with DSP. It works through all sorts of arithmetic of image processing and recognition technique.

论文所研究的助盲目标识别系统以图像处理与识别技术为理论基础，借助现代图像技术和机器视觉的最新发展成果，以DSP为硬件开发平台，充分借鉴人的思维活动方式，研究了图像处理与识别技术的各种算法。

The research work of this paper is divided into five parts: The first ,according to the work characteristics of ship's auxiliary boiler, this paper is to design applied project in the automatic control system of ship's auxiliary boiler; The second, according to the work request of the cargo winch of alternating three-speed change-pole speed-adjusting, this paper is to determine adopting the method of the PLC control; The third, this paper is to design PLC application in three -phase induction motor control, to give the ladder chart, program and input and output circuit diagram; The fourth, this paper is to research the method of the ship's combined starting screen automatic control with the PLC; The fifth, this paper is to inquire the possibility of apply the PLC in ship's engine room surveillance system; According to the comprehensive analysis of above actual example of ship's auxiliary machinery automatic system with the technique of PLC; not only can use the technique of PLC to replace traditional relay-contactor control technique in ship's auxiliary machinery automatic system, but also can get the conclusion of the former is more dependable and more clever than the latter, the maintenance is more convenient, thus develop a new path for ship automation.

本文研究的工作主要包括五个部分：第一，根据船舶辅锅炉的工作特点，设计PLC在船舶辅锅炉自动控制系统中的应用方案，主要有PLC选型及输入输出点的设计，画出系统控制梯形图并分析工作原理；第二，根据交流三速变极调速起货机的工作要求，确定采用PLC控制的方法，进行控制系统的硬件设计和软件设计，并分析工作原理：第三，设计了PLC在三相异步电动机控制中的应用，给出了控制梯形图、程序及输入、输出接线图；第四，研究了用PLC实现船舶组合起动屏自动控制的方法，进行了系统的电源设计和软件设计，给出系统工作流程图；第五，探讨了船舶机舱监视系统应用PLC的可行性，将继电器报警线路改为用PLC控制报警，给出系统硬件图和软件梯形图，并分析了PLC机的选型、抗干扰和应用PLC的经济效益和社会效益等问题。综合以上船舶辅助机械自动控制系统采用PLC技术的实例分析，可以得出船舶辅助机械自动控制系统不但可以使用PLC技术取代传统的继电器接触器控制技术，而且前者比后者更可靠、更小巧，维护保养更方便的结论，从而为船舶自动化开辟了一条新的路径。无忧毕业设计网 www.5ubs.cn

In this thesis, the author combined system engineering theory and fuzzy mathematics with water-power engineering, by the research of fuzzy mathematics and risk analysis technique, the application of fuzzy comprehensive evaluation and risk analysis technique in the decision of construction period and selection of different schemes is discussed. And the proposed analysis technique is validated by the application of practical engineering.

本文将系统工程理论及模糊数学理论与水利水电工程实际相结合，通过对模糊数学和风险分析技术的研究，讨论了模糊综合评判法和风险分析技术在大型水利工程工期论证和方案选择中的应用问题，并结合具体工程中的实际应用，说明该种分析技术可为同类工程借鉴和应用，具有较好的应用前景和价值。

Deficiency which exists in view of the existing technique of production technology, in the technique of production, this article uses the extrution casting method manufacture copper alclad semifinished materials, finally uses the hot extrusion craft, this kind of technique of production enhances the product the uniformity, thickness plasticity, the union to be reliable obviously, has the productivity to be high, the material cost is low, the product conductivity is high, merits and so on electrochemistry stable property.

针对现有生产工艺技术中存在的不足之处，在生产工艺上，本文采用挤压铸造方法制作铜包铝坯料，最后采用热挤压工艺，这种生产工艺明显地提高产品的均匀性、厚度可塑性、结合可靠，具有生产率高，材料成本低、产品导电率高、电化学性能稳定等优点。然而，铜包铝母线槽排挤压技术的研究是真正意义上的以铝节铜，在节省铜资源的方面具有十分重要的意义。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。