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This unit is the recording part of the Crane Monitoring System , the system function is finally realized in this unit, according to the crane process characteristics and monitoring requirements, put forward the requirements of the next monitoring system:(1) Real-time storage of the next acquisition unit transmission of the operation status and fault information.(2) To achieve the archiving and other accident tracing functions.(3) System self-calibrati

Objective-c language is an object-oriented high-level programming language, so it has some characteristics of object-oriented programming, namely: encapsulation, inheritance and polymorphism.Today, we introduce the polymorphism of Objective-c.First, what is polymorphicPolymorphism : The ability of different objects to respond to the same message in their own way is called polymorphism. Because each class belongs to the namespace of the class, this mak

1.Transaction Concept _ four characteristics First, the businessThe concept of a transaction : A transaction is a logical set of operations that either completes at the same time or is not completed at the same time .Management of transactions : By default , the database automatically manages transactions , which is managed by a single statement that is exclusive of a transaction .If you need to control the transaction yourself, you can also open / c

IO ResourcesIO is a channel for communication and control with the outside world, and FPGAs provide a rich IO and some practical features.This paper briefly extracts the main features to make reference for the design. Specific parameters refer to Handbook.Part I: Overview of IO Features-----through the flexible configuration of the software, can adapt to different electrical standards and I/O physical characteristics, can adjust the matching impedance

Tags: problem, application technology, different relationships, computer summary, empirical Structure 1. The principle of regionalization is described as follows: 1) Use a curve component instead of a straight line component, a sphere instead of a plane, and a sphere instead of a cube;2) use a roller, sphere, and screw;3) use centrifugal force to replace linear motion with a rotating object Because the innovative principle of table store is based on patent analysis, some principles are accumulat

HTML5 is a standard version of HTML [1] (an application under standard Universal Markup Language) that replaces the HTML 4.01 and XHTML 1.0 standards developed in 1999, and is still in the development stage, but most browsers already support certain HTML5 technologies. HTML 5 has eight major features:semantic characteristics (class:semantic) HTML5 gives the web a better sense and structure. Richer labels will build a data-driven web that is more valua

Characteristics and application of TVs The transient voltage suppressors (Transient Voltage suppressor) are referred to as TVs and are a high-performance protection device in the form of diodes. When the two poles of a TVs diode are subjected to a reverse transient high energy shock, it can turn the high impedance of the two poles into a low impedance at a speed of 10-12 seconds, absorb up to thousands of watts of surge power, and clamp the voltage be

: After the original LBP was proposed, the researchers continued to propose various improvements and optimizations. (1) Circular LBP operator: The biggest drawback of the basic LBP operator is that it covers only a small area within a fixed radius, which obviously does not meet the needs of different sizes and frequency textures. In order to adapt to the texture characteristics of different scales, and to achieve the requirements of grayscale and rota

Tags: end tom multiple default phantom read Bank process ISO inconsistency1. Definition of a transactionA database transaction is a logical unit in the execution of a database management system, and a limited sequence of database operations is completed. For example, a transaction is the following sequence of operations: "A account is remitted to a B account". A. Read the balance from the a account.B. Do a subtraction operation on the a account.C. Write the results back to the a account.D. Read

Structure, characteristics, performance and safety of polymer battery Structure of polymer battery The figure shows the structure of a laminated lithium polymer battery. This is a structure of a battery consisting of LiCoO2, gel-type polymer electrolyte, carbon, and graphite battery components that bend or overlay them into a flat panel and are encapsulated with an aluminum deposition.People are studying polymer batteries using Ni or Mn materials as

gradients), you can form each cell descriptor;6) make each cell a block(for example, 3*3 cell/block), a block in all The HOG feature of the block is descriptorby the cell 's characteristic descriptor in series.7) The image can be obtained by concatenating all the block 's HOG feature descriptor The HOG characteristics of (the target you want to test) are descriptor . This is the last feature vector that can be used for classification.Specific steps

many teachers in colleges and universities do not have a high level of business and cultural literacy, weak teachers Most teachers do not have practical experience in the international trade environment, the content of teaching is lack of practicality. It is necessary to broaden the students ' vision through the simulation of the situation, and carry on the teaching of Business English in the network environment to change the traditional teaching methods and improve the students ' cultural cons

characteristics of all cells within a block descriptor concatenated together to get the hog characteristics of the block descriptor. 7) Descriptor The Hog feature of all blocks in image images in series to get the Hog feature descriptor of that image (the target you want to detect). This is the final feature vector that can be used for classification. the detailed procedures for each step are as follows

According to the latest analysis results of Kingsoft anti-virus emergency response center, three characteristics of bin Laden mail and two transmission modes are obtained. Bin Laden's mail has the following characteristics: 1. Search for the ICQ website to obtain the email address, and use SMTP protocol to send the email with the virus anonymously.2. The virus exploits the MIME vulnerability of Outlook. Whe

Java Tour (22)--map Overview, sub-class object characteristics, common methods, keyset,entryset,map small exercises Keep on going, ladies and gentlemen! In fact, our data structure, only the knowledge point of this map, usually developed, but also can see him, so it is very worthwhile to learn a point of knowledge, we drove directly I. Map overview Generic Basic Features The set stores key-value pairs, is

The following article describes how to correctly master the characteristics of Dynamic tables in MySQL databases. It can be said that dynamic tables are frequently used in MySQL databases, therefore, it is also important to master the dynamic tables in the MySQL database. The following is the specific content of the article. If a MyISAM table contains any variable-length columns (VARCHAR, BLOB, or TEXTD The following article describes how to correctly

What are the characteristics of a modern avant-garde PHP framework? What are the characteristics of a modern avant-garde PHP framework? Reply content: What are the characteristics of a modern avant-garde PHP framework? Composer compatibility, open-source projects included in the framework, and even the framework itself, can all be updated using composer. Usi

Introduction of Hunan Pulse bag FilterHunan Pulse bag filter Manufacturers According to the characteristics of the dust gas to choose different models, different design structure of the pulse bag dust collector, the filter bag with the same material to meet the filtration needs. Dust with the gas in the negative pressure state into the filter chamber, the large particles of dust in the process of floating into the ash chamber, fine dust in the accompa

Working principle and classification characteristics of HD single-machine dust catcher in Heilongjiang provinceClassification characteristics of HD single-machine filterHD stand-alone filter based on the use of the site requirements and installation requirements, can be divided into a, B, C three series, a series for the shell under the ash storage warehouse for the gray bucket, suitable for outdoor, instal

Acid refers to the four major characteristics of database transactions, the concept proposed by Jim Gray in the late the 1870s, 1983 Andreas Reuter and Theo Härder created acid this abbreviation to describe the four characteristics.　　Atomic atomicity means that a transaction is an indivisible whole, either in a completed state or in an unfinished state without an intermediate state.Conformance consistency r