Electrical Engineering

transformerelectric motorElectrical Engineeringdynamo

After studying this course, you are required to have a basic understanding of the basic laws of magnetic circuits, the characteristics of commonly used ferromagnetic materials and the calculation of alternating current and tributary magnetic circuits; and have a basic understanding of transformers and three types of motors (DC motors, induction motors and synchronous motors). You must have a certain understanding of the basic structure; you must have an in-depth understanding of the main magnetic field and leakage magnetic field in the transformer, the properties and spatio-temporal relationship of the air gap magnetic field in the three types of motors; you must have an in-depth understanding of the operating principles of the transformer and the three types of motors during normal steady-state operation. , analysis methods and operating performance must be firmly mastered, be able to correctly establish voltage equations and torque equations, clarify energy conversion relationships, have a clear physical concept of steady-state parameters, and be able to skillfully use equivalent circuits and complex numbers to calculate symmetry Performance and operating data during steady-state operation; master the basic experimental methods and operating skills of the motor, such as the starting of the motor, the voltage build-up of the generator, the measurement methods of the main operating characteristics and steady-state parameters, etc., and be able to analyze the experimental results. analyze

Total of 65 lessons2 days and 1 hours and 26 minutes and 30 seconds

Digital Image Processing (Shanghai Jiaotong University Edition)

Image Processingdigital image

This course provides a comprehensive and systematic introduction to the basic concepts, basic theories and common methods of digital image processing. There are eight chapters in total, which are: introduction, basics of digital image processing, two-dimensional orthogonal transformation of images, image enhancement, image restoration and reconstruction, image data compression and coding, image segmentation and image description.

Total of 22 lessons20 hours and 47 minutes and 33 seconds

Digi-Key teaches you tips on selecting electronic components

SelectionDigi-Key

The device has been discontinued, how to find replacement materials? There are too many parameter categories, how to grasp the key points? There are many pages of search results, who should you choose? Are you worried about device selection? Of course, this is also a problem for most engineers! Therefore, Digi-Key, who understands you best, has specially launched a heart-warming tutorial. After a few minutes of explanation, you will become an expert in product selection. The tutorial not only provides solutions to the problems listed above, but also teaches you step by step how to use Digi-Key's powerful parameter index function. Choose what you like, and you no longer have to search for it through Baidu.

Total of 1 lessons6 minutes and 10 seconds

Engineering innovation for tomorrow

Total of 3 lessons2 minutes and 27 seconds

Brainwave-based travel assistance system experience

Internet of ThingsBrain wavesAssisted travel

Total of 2 lessons8 seconds