# Questions tagged [orthogonal-signals]

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### When are two signals orthogonal?

The classical definition of orthogonality in linear algebra is that two vectors are orthogonal, if their inner product is zero. I thought this definition might be applied to signals as well, but then ...
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### On the Measurement Matrix Used for Compressing Sensing

Assume we have a matrix $x$ of size $(8,8)$ where each column is considered to be sparse with degree of sparsity equals to $4$. it means that every column can have $4$ zeros and $4$ non-zeros values ...
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### Orthogonal basis of signal space and the projection of white noise

I am trying to make the relation between linear modulation and nonlinear one by using orthonormal expansion. The purpose is to understand what is orthonormal set in each case and to understand the ...
87 views

### Orthogonal Codes for Band Limited Channel

In this question orthogonal family and pulse shaping filter the user asked about possible loss of orthogonality of orthogonal codes due to the use of raised cosine pulse shaping and I showed as an ...
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