Dictionary:Johnson noise

From SEG Wiki
Jump to navigation Jump to search
This page contains changes which are not marked for translation.
ADVERTISEMENT
Other languages:

{{#category_index:J|Johnson noise}} Noise resulting from the random thermal energy of conduction electrons. Also called thermal noise. For an electrical element, the mean square voltage caused by Johnson noise is proportional to the absolute temperature K, the bandwidth B (in hertz), and the resistance R (in ohms):

.