SNRDB= 10*log10(SNR) -> log base 10SNR = 10.^(SNRDB/10)

  • Thread starter Thread starter hariyo
  • Start date Start date
  • Tags Tags
    Base Log
Click For Summary
SUMMARY

The discussion focuses on the mathematical relationship between two equations for Signal-to-Noise Ratio (SNR): SNRDB = 10*log10(SNR) and SNR = exp(SNRDB*ln(10)/10). Both equations are confirmed to be numerically equivalent, with the second equation derived using properties of exponents. The derivation involves substituting the value of 10 as exp(ln(10)), demonstrating the connection between logarithmic and exponential forms of SNR. The clarity of this relationship is essential for understanding SNR calculations in various applications.

PREREQUISITES
  • Understanding of logarithmic functions and their properties
  • Familiarity with exponential functions and natural logarithms
  • Basic knowledge of Signal-to-Noise Ratio (SNR) concepts
  • Proficiency in mathematical manipulation of equations
NEXT STEPS
  • Study the properties of logarithms and exponents in depth
  • Explore applications of SNR in telecommunications and signal processing
  • Learn about the implications of SNR in audio and video quality assessments
  • Investigate numerical methods for calculating SNR in real-world scenarios
USEFUL FOR

Mathematicians, engineers, and professionals in telecommunications or signal processing who require a solid understanding of SNR calculations and their applications in various fields.

hariyo
Messages
14
Reaction score
0
SNRDB= 10*log10(SNR) --> log base 10SNR = 10.^(SNRDB/10)

SNRDB= 10*log10(SNR) --> log base 10

SNR = 10.^(SNRDB/10) ---(1)

SNR = exp(SNRDB*ln(10)/10) ---(2)

How is equation 2 comes as I checked both equation 1 & 2 are equivalent numerically. I am not able to derive equation 2.
 
Physics news on Phys.org


hariyo said:
SNRDB= 10*log10(SNR) --> log base 10

SNR = 10.^(SNRDB/10) ---(1)

SNR = exp(SNRDB*ln(10)/10) ---(2)

How is equation 2 comes as I checked both equation 1 & 2 are equivalent numerically. I am not able to derive equation 2.

10=exp(ln(10))=e^(ln(10)). Put that into one of the 10's in the second equation and use properties of exponents.
 


Thankyou I got it now.Cheers!
 

Similar threads

  • · Replies 4 ·
Replies
4
Views
3K
Replies
5
Views
2K
  • · Replies 2 ·
Replies
2
Views
4K
Replies
8
Views
2K
  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 10 ·
Replies
10
Views
3K
  • · Replies 10 ·
Replies
10
Views
3K
  • · Replies 5 ·
Replies
5
Views
1K
Replies
17
Views
5K