Description: 数字农业是用数字化信息技术，对农业所涉及的
对象和全过程进行数字化表达、设计、控制和管理，
是数字地球的理论与知识在农业上的拓展和深化。由
于农作生产系统是整个农业产业中最基础和本
分，因此数字农作技术是数字化农业需要研究和发展
的基础性和向导性工作，也是数字农业技术研究与应
用的突出标志，是当今信息农业和现代农业的发展方
向和研究前沿。 -Digital Agriculture is the number of information technology, agriculture and the target figure for the whole process of expression, design, control and management of Digital Earth is the theory and knowledge in agriculture to the development and deepening. As agricultural production systems for the entire agricultural industry and the most basic part. Therefore figures for agricultural technology is the number of agricultural research and development needs of the foundation and guide work. Digital technology as well as agricultural research and application of the conspicuous signs, is the message of agriculture and the development of modern agriculture and research direction forward. Platform: |
Size: 295935 |
Author:陈中华 |
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Description: 数字农业是用数字化信息技术，对农业所涉及的
对象和全过程进行数字化表达、设计、控制和管理，
是数字地球的理论与知识在农业上的拓展和深化。由
于农作生产系统是整个农业产业中最基础和本
分，因此数字农作技术是数字化农业需要研究和发展
的基础性和向导性工作，也是数字农业技术研究与应
用的突出标志，是当今信息农业和现代农业的发展方
向和研究前沿。 -Digital Agriculture is the number of information technology, agriculture and the target figure for the whole process of expression, design, control and management of Digital Earth is the theory and knowledge in agriculture to the development and deepening. As agricultural production systems for the entire agricultural industry and the most basic part. Therefore figures for agricultural technology is the number of agricultural research and development needs of the foundation and guide work. Digital technology as well as agricultural research and application of the conspicuous signs, is the message of agriculture and the development of modern agriculture and research direction forward. Platform: |
Size: 295936 |
Author:陈中华 |
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Description: 现代控制理论基础
高等工科院校控制类课程系列化教材:本书内容包括：控制系统的状态空间描述、线性控制系统分析、状态反馈与状态观测设计等。-Modern control theory based on control engineering colleges teaching courses serialization: this book include: control system state-space description of linear control systems analysis, state feedback and state observer design. Platform: |
Size: 7409664 |
Author:宫晓春 |
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Description: 在现代电子系统中，有为数众多的IC需要进行相互之间以及与外界的通信。为了提供硬件 的效率和简化电路的设计，PHILIPS开发了一种用于内部IC控制的简单的双向两线串行总线I2C-In modern electronic systems, there are a large number of IC need each other and communicate with the outside world. In order to provide the efficiency and simplify the hardware circuit design, PHILIPS developed an IC for internal control, a simple bi-directional two-wire serial bus I2C. Platform: |
Size: 63488 |
Author:xuwenbo |
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Description: 本书以控制系统和控制原理为主线，以控制原理和系统的实际示例为基础，介绍MATLAB语言在控制系统分析、设计中的应用，内容涉及经典控制理论和现代控制理论的基础部分。-Book control systems and control theory as the main line, principles and systems to control the actual examples, the paper introduces MATLAB language in the control system analysis, design, content related to the classical control theory and modern control theory based Bufen. Platform: |
Size: 5090304 |
Author:陶 |
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Description: the book aims to be a quick learning guide for
postgraduate/undergraduate students or design engineers interested in learning the
fundamentals of modern control of drives and power systems in conjunction with the
powerful design methodology based on VHDL. Platform: |
Size: 1989632 |
Author:taha |
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Description: VHDL语言设计数字系统，VHDL是Very High Speed Integrated Circuit Hardware Description Language 的缩写，意思是超高速集成电路硬件描述语言。本课程设计分析了现代城市交通控制与管理问题的现状，结合城市交通的实际情况阐述了交通灯控制系统的工作原理。编写了程序控制8255A可编程并行接口芯片，使红、绿、黄发光二极管按照十字路口交通信号灯的规律交替发光，模拟了交通信号灯简单的工作。-VHDL language design digital systems, VHDL is the Very High Speed Integrated Circuit Hardware Description Language acronym, meaning high speed integrated circuit hardware description language. The curriculum design of the modern urban traffic control and management of the status quo, with urban transport in the Shi Ji Qingkuangchanshu a traffic control Ji Tong Deng works. Prepared a program control 8255A programmable parallel interface chip to red, green, Huang Faguang diode in accordance with the laws of intersection traffic lights turn light to simulate the simple task of traffic lights. Platform: |
Size: 314368 |
Author:liang |
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Description: 交通灯是现代交通非常重要的一个组成部分，一套好的交通灯系统往往对提升城市交通运输效率，降低事故发生率有至关重要的影响。
本系统由单片机系统、控制系统、交通灯演示系统组成。
选用单片机作为此次设计的控制系统主要是考虑到单片机的通用性和廉价性。-Traffic lights are very important for a modern transport component of a good set of traffic light systems tend to enhance the urban transport efficiency and reduce the accident rate has a crucial impact. The system consists of single-chip systems, control systems, traffic lights demo system. Use microcontroller as the design of the control system is mainly on account of the microcontroller versatility and cheapness. Platform: |
Size: 23552 |
Author:杨林 |
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Description: fpga实现dds和下变频。DDS 技术具有频率切换时间短，频率分辨率高，频率稳定度高，输出信号的频率和相位可以快速切换，输出相位可连续，并且在改变时能够保持相位的连续，很容易实现频率、相位和幅度的数字控制。它在相对带宽、频率转换时间、相位连续性、高分辨率以及集成化等一系列性能指标方面远远超过了传统频率合成技术。因此在现代电子系统及设备的频率源设计中，尤其在通信领域，直接数字频率合成器的应用越来越广泛。-fpga implementation dds and downconversion. DDS technology with frequency switching time is short, high frequency resolution, the frequency stability is high, the output signal frequency and phase can be quickly switched, the output phase can be continuous, and changes to maintain a continuous phase, it is easy to achieve frequency, phase, and amplitude digital control. It is the relative bandwidth, frequency conversion time, phase continuity, and a series of high-resolution and integrated performance indicators far beyond the traditional frequency synthesis. Therefore, in modern electronic systems and equipment design frequency source, especially in the field of communication, direct digital frequency synthesizer is used more widely. Platform: |
Size: 16076800 |
Author:lvhenan |
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Description: 出入口门禁安全系统已成为现代安全防范系统中极其重要的一部分，在住宅小区、公司企业中的应用尤为广泛。本文突破以往的门禁系统模式，探讨一种新型的与电话网络结合使用的一种门禁管理系统。这种门禁控制系统主要针对来访者而设计，能够有效地对来访者进行管理，通过对其身份的识别可远程控制门禁开关。该门禁控制系统主要由计算机和门禁主控板两部分组成，计算机部分主要负责输出电话号码以及摘、挂机等信息，门禁主控板根据计算机传送过来的信息码进行相关的处理，如电话的呼叫以及摘、挂机等。本设计的最大特色之一就是利用已有的电话网络进行实时通信实现对门禁的控制，这大大增加了方案的可行性和可操作性。-Entrance access control security systems have become a modern security system, an extremely important part of the residential area, especially companies in a wide range of applications. In this paper, breaking the previous access control system mode, explore a new use with a telephone network access control system. This access control system is designed mainly for visitors, visitors can effectively manage their identity by identifying remote control access switch. The access control system consists of two main parts of a computer and access panels, computer part is mainly responsible for the output of a phone number as well as pick, hang up and other information, access control board based on information transmitted the computer codes related to treatment, such as phone calls and pick, hang and so on. One of the most significant feature of this design is the use of existing telephone network to achieve real-time communication access control, which greatly increased the feasibility and Platform: |
Size: 56320 |
Author:Bin |
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Description: 出入口门禁安全系统已成为现代安全防范系统中极其重要的一部分，在住宅小区、公司企业中的应用尤为广泛。本文突破以往的门禁系统模式，探讨一种新型的与电话网络结合使用的一种门禁管理系统。这种门禁控制系统主要针对来访者而设计，能够有效地对来访者进行管理，通过对其身份的识别可远程控制门禁开关。该门禁控制系统主要由计算机和门禁主控板两部分组成，计算机部分主要负责输出电话号码以及摘、挂机等信息，门禁主控板根据计算机传送过来的信息码进行相关的处理，如电话的呼叫以及摘、挂机等。本设计的最大特色之一就是利用已有的电话网络进行实时通信实现对门禁的控制，这大大增加了方案的可行性和可操作性。-Entrance access control security systems have become a modern security system, an extremely important part of the residential area, especially companies in a wide range of applications. In this paper, breaking the previous access control system mode, explore a new use with a telephone network access control system. This access control system is designed mainly for visitors, visitors can effectively manage their identity by identifying remote control access switch. The access control system consists of two main parts of a computer and access panels, computer part is mainly responsible for the output of a phone number as well as pick, hang up and other information, access control board based on information transmitted the computer codes related to treatment, such as phone calls and pick, hang and so on. One of the most significant feature of this design is the use of existing telephone network to achieve real-time communication access control, which greatly increased the feasibility and Platform: |
Size: 5120 |
Author:Bin |
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Description: 现代控制工程控制系统实例：倒立摆控制系统及仿真，包括控制系统的设计和matlab仿真-Modern Control Engineering Control Systems Example: inverted pendulum control systems and simulation, including the control system design and simulation matlab Platform: |
Size: 167936 |
Author:张骁 |
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Description: 《现代精密仪器设计》李庆祥、王东生、李玉和 编著，清华大学测控技术与仪器系列教材，系普通高等教育“十五”国家级规划教材，清华大学出版社出版。全书11章，计562页。对与精密仪器设计有关的基本理论、方法及微型机电系统作了较全面的论述，荟萃了现代精密仪器设计的有关资料和成果，反映了这一科学领域的当代发展水平。- Modern precision instrument design Li Qingxiang, Wang Dongsheng, Li Yuhe, Tsinghua University, measurement and control technology and instrument series of textbooks, general higher education fifteen national planning textbook, Tsinghua University press. Whole book 11 chapters, count 562 pages. The basic theories, methods and micro-electromechanical systems related to the design of precision instruments are discussed in detail. The relevant data and achievements of the modern precision instrument design are summarized, which reflect the contemporary development of this field of science. Platform: |
Size: 12546048 |
Author:周围 |
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Description: This a companion text to Modern Control Systems , by Richard C. Dorf. Designed to demonstrate the software approach to the analysis and design of control systems, this work covers MATLAB and the Control System Toolbox. Robert Bishop explains design approaches to control systems synthesis using MATLAB scripts. Additionally, Bishop includes extensive examples, that are taken directly Dorf s book, to illustrate theoretical systems concepts. His thorough coverage provides a foundation for the application of MATLAB to control systems.-This is a companion text to Modern Control Systems , by Richard C. Dorf. Designed to demonstrate the software approach to the analysis and design of control systems, this work covers MATLAB and the Control System Toolbox. Robert Bishop explains design approaches to control systems synthesis using MATLAB scripts. Additionally, Bishop includes extensive examples, that are taken directly Dorf s book, to illustrate theoretical systems concepts. His thorough coverage provides a foundation for the application of MATLAB to control systems. Platform: |
Size: 28698624 |
Author:carla |
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Description: This book provides a thorough understanding of the basic principles of power
system frequency behaviour in wide range of operating conditions. It uses simple
frequency response models, control structures and mathematical algorithms to adapt
modern robust control theorems with frequency control issue and conceptual explanations.
Most developed control strategies are examined by real-time simulations.
Practical methods for computer analysis and design are emphasized.
This book emphasizes the physical and engineering aspects of the power system
frequency control design problem, providing a conceptual understanding of
frequency regulation, and application of robust control techniques. The main aim
is to develop an appropriate intuition relative to the robust load frequency regulation
problem in real-world power systems, rather than to describe sophisticated mathematical analytical methods. Platform: |
Size: 17408 |
Author:Zawawy
|
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Description: Examines the implementation of modern control techniques and associated instrumentation,
using distributed computers. Practical hardware aspects, including measurement and actuation, data conditioning, acquisition and transmission, microprocessor devices and other distributed computing components. Commercial realisations ranging from PLCs to full process
control computing systems. Software: executive operating systems, concurrency, control algorithms, numerical problems, languages and development tools in the real-time context. Design
of the man-machine interface using interactive computer display systems. The role of simulation and other CAD tools. Steps of engineering development from concept to commissioning.
The viewpoint of industrial design is maintained throughout. Platform: |
Size: 66560 |
Author:Khan17
|
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