In this lecture, Professor Wu Deben first introduced the main characteristics and concepts of information, and briefly introduced the third scientific and technological revolution, leading to telecommunications technology. Then it focuses on introducing the concepts of sinusoidal signals, analog signals and digital signals and their characteristics, formulas, theorems, etc., and also explains digital transmission technology. It is designed to give students a comprehensive grasp of some basic concepts of modern telecommunications technology.
[align=left][color=rgb(0, 0, 0)][font="]In the 1990s, Serie A was a gathering place for "football elites". From Zico to Maradona, the world's best players have left their footprints here. Serie A at t
In addition to using sensor expansion in the microbit version of MakeCode, these expansion programs can also be used in MakeCode for other development boards. For example, on the BrainPad development
USB is the strength of CH554. We want to use USB to simulate the serial port to communicate with the microcontroller. Serial port operation is still the most familiar means of communication. Based on
Problems with WINCE physical and virtual addressesThe address mapping table in MAP.A converts physical addresses to virtual addressesEXPORT OEMAddressTable[DATA];LTORG AREA OEMAddressTable, DATA, READ