How to comply with dual-use regulations

List of Contents of this article:

• 1, Design and composition of home solar photoelectric lighting system
• 2, What is system design
• 3, Three stages of system analysis and design
• 4, System design What is it
• 5, What is the difference between system analysis and system design
• 6、 What is the difference between mobile application system analysis and design?

Design and composition of household solar photoelectric lighting system

Such a set of solar lighting equipment needs to at least include solar panels, power controllers, Storage batteries and lighting equipment. Design of solar lighting: insulation test: use an insulating instrument to measure the circuit to ensure that the circuit is a channel and the normal transmission power is purchased.

tooThe system composition of Yang Energy Street Lamp mainly includes solar panels, storage batteries, controllers, LED lamps and brackets, etc. Solar panels: Solar panels are the core components of solar street lamps, which are responsible for converting solar energy into electrical energy.

Solar street lamp design Solar street lamp is composed of solar panel (including bracket), lamp head, control box (including controller, battery, etc.) and lamp pole, foundation and other parts. Solar street lights generally form a power supply system and are not connected to the power supply network of conventional street lights. There are two main types of solar street lamp systems: 12V and 24V.

Solar street lamp is a kind of lighting equipment that uses solar energy to generate electricity, which is composed of solar panels, energy storage batteries, LED lamps and controllers. First of all, solar panels are the core components of solar street lamps, which convert solar energy into electrical energy.

The solar LED street lamp system is a system that uses solar energy to generate electricity and illuminate through LED lamps. It consists of the following main components: Solar panel: Solar panel is the core part of the solar LED street lamp system, which converts solar energy into electricity.

The LED solar street lamp system is mainly composed of the following components: Solar panel: Solar panel is the core part of the LED solar street lamp system, which converts solar energy into electrical energy. Solar panels are usually composed of multiple solar cells, which convert sunlight into direct current energy through the photoelectric effect.

What is System Unified design

System design is the physical design stage of the new system. According to the logical model and functional requirements of the new system determined in the system analysis stage, a scheme that can be implemented in the computer network environment is designed under the environmental conditions provided by the user, that is, to establish a physical model of the new system.

System Design refers to the process of detailed design of the structure, function, interface, database, etc. of the system according to requirements and goals on the basis of system analysis.System design focuses on how to meet the needs of the system, including determining the modules and components of the system, designing data processes, interfaces and interactions, etc.

System design uses highly orderly design to rectify the chaotic artificial environment, make the messy environment more relevant and systematic, and combine standardized production with diversified choices through system design.

The overall design of the system is the design of the overall problem, that is, the design of the general treatment scheme of the system, also known as the outline design. The overall design of manufacturing system engineering includes: market research, technical specification preparation, preliminary design, detailed design, product manufacturing, etc.

6 Human-computer interface design: It provides a friendly and interactive interface for users and managers of the system, which is convenient for access, operation and management.7 Security control design: security protection is carried out from the aspect of software and hardware to ensure the normal operation of the system and reduce the losses caused by various security problems to the system.

In order to achieve a certain educational and teaching purpose, various forms of education and teaching organization to realize certain education and teaching functions are an educational system or teaching system. For example, a school is an education system, and when it is in a social environment, it is a subsystem of the social system.

Three stages of system analysis and design

1. System planning stage, system analysis stage, system design stage, system implementation stage, system operation and maintenance stage.

2. The systematic analysis is based on the proposed needs and the existingSystem (if any), analyze the reasonable structural framework of the application system (including business process, business logic, physical implementation).

3. The system analysis process is generally divided into three stages, namely (1) detailed investigation and analysis of user needs. On the basis of the preliminary investigation of the master plan, further collect, understand and analyze user needs, and investigate the relevant details of users; (2) Determine the preliminary logical model.

4. The period of systematic analysis is usually further divided into three stages, namely problem definition, feasibility study and demand analysis.

5. The system design stage is one of the important stages in the software development life cycle. Its purpose is to clarify system requirements, design system structures and components that can meet these requirements, and lay the foundation for subsequent development, testing, deployment and maintenance.The system design stage mainly includes the following aspects.

What is the purpose of system design

1. The main purpose of the system design stage is to determine the physical implementation plan of the new system according to the approved system analysis report, considering the actual technical, economic and operating environment and other conditions. , convert the system logic scheme into a physical scheme.

2. The main purpose of the design is to formulate a blueprint for the next stage of system implementation. The focus of the system analysis stage is to understand the situation, discover and describe the problem, and solve the problem of "what to do". The design stage will focus on the problem of "how to do".

3. The fundamental purpose of creating a teaching and learning system is to help learners achieve the expected goals.

4. Question 1: What is the purpose of system design? System design is a research and development stage in the life cycle of the system; and there is only one goal of research and development: to obtain high-quality products that meet business requirements within the cost range. The direct goal of system design is to form a logical structure model of the system.

5. The purpose of the structured system design stage is to obtain a good software structure.

What is the difference between system analysis and system design

1. It can be said that system analysis is the pre-stage of system design, which determines the goals and functions of the system through the analysis of problems and needs; while system design is in On the basis of system analysis, specifically design the structure and functions of the system to meet the needs of the system.

2. System designers are closer to technology than system analysts. They are technical experts and senior technicians. Contact system analysis and system design are both advanced abstraction levels. As a senior software title qualification, it is a leader and technical consultant for programmers and software designers.

3. The difference between the definition of user requirements of mobile applications and the traditional system analysis is that the system requirements are different, the focus is different, and the angle is different. Different system requirements details User requirements definition: There is no clear and meaningless system requirements in the definition of user requirements.

What is the difference between mobile application system analysis and design?

The goal is different: the main goal of system analysis is to be sureDetermine the needs and problems of the system, and system design is to solve these needs and problems and design a system that meets the requirements.

It can be said that system analysis is the pre-stage of system design, which determines the goals and functions of the system through the analysis of problems and requirements; while system design is based on system analysis, specifically designs the structure and functions of the system to realize the needs of the system.

System analysis and system design are two important links in the software development process. This article will introduce the differences and connections between the two. System analysis System analysis is to decompose the user's ideas through tasks, and analyze the user's general needs into needs that can be understood by research and development.

Work roles and emphasis are different. System analysts and system architecture designers have different emphasis on work.System architecture designers mainly focus on technology and manage the technical team; system analysts mainly focus on business and manage business needs.

Mainly engaged in requirements analysis in the software development process, it also involves feasibility analysis and outline design. System Analyst (SA) is responsible for the design and development of application software systems. So that it correctly reflects effective information and assists enterprise operators in managing and operating the company's operators.