Howtosignalprocessing
- How do you mix two signals?
- How to combine two signals in Matlab?
- How to remove noise from an image in Matlab?
How do you mix two signals?
The simplest way to combine two signals is with two resistors as shown in the circuit diagram below. The ground connecton is shared between both inputs and output. The quality can be improved by adding an output buffer (opamp), but that complicates things in requiring an IC, power supply, (de)coupling caps, ...
How to combine two signals in Matlab?
Use Merge blocks to interleave input signals that update at different times into a combined signal in which the interleaved values retain their separate identities and times. To combine signals that update at the same time into an array or matrix signal, use a Vector Concatenate, Matrix Concatenate block.
How to remove noise from an image in Matlab?
You can use linear filtering to remove certain types of noise. Certain filters, such as averaging or Gaussian filters, are appropriate for this purpose. For example, an averaging filter is useful for removing grain noise from a photograph.
