When a photoelectric sensor detects an object: depending on the reflectivity, the current converted into the light signal detected by the receiver is also different, and the current generated by the a
The incident happened last night when I was cooking, the induction cooker I was using at home suddenly made a "pop" sound. My first thought was to turn off the switch. My second thought was, oh no, I
[size=4][color=#000000]Thanks to the netizen [/color][color=#ff0000]@[b]shihuntaotie[/b][/color][color=#000000] for donating a lot of development boards to the EEWORLD forum's development board mobile
In the RF field, there are usually three parameters to describe the noise of a device or system: noise figure NF, noise coefficient F and equivalent noise temperature Te.
1. Definition of Noise Index