mag2db

Convert a magnitude to decibels (dB).

📝 Syntax

• db = mag2db(mag)

📥 Input argument

• mag - input array: scalar, vector or matrix.

📤 Output argument

• db - corresponding values in decibels

📄 Description

db = mag2db(mag) converts magnitude values to decibels (dB).

The conversion formula is: $\text{dB} = 20 \log_{10}(\text{magnitude})$

This conversion is commonly used in signal processing, acoustics, and electronics to express ratios on a logarithmic scale.

💡 Example

DB = mag2db([1, 0.01])

🔗 See also

db2mag.

🕔 History

Version	📄 Description
1.0.0	initial version