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 Additional Problem: For each of the following, determine whether the process is wide sense stationary:  Additional Problem: For each of the following, determine whether the process is wide sense stationary: 
- +  - //x//[//k//] = //A// where //A// is a random variable with pdf //fA//(//a//).
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-//x//[//k//] = //A// where //A// is a random variable with pdf //fA(//a//). +
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   - //x//[//k//] = //A// cos(//k//ω) where ω is a constant and //A// is a Gaussian random variable with mean μ//A// and standard deviation σ//A//.   - //x//[//k//] = //A// cos(//k//ω) where ω is a constant and //A// is a Gaussian random variable with mean μ//A// and standard deviation σ//A//.
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   - //x//[//k//] = //A// cos(//k//ω) + //B// sin(//k//ω)where ω is a constant and //A// and //B// are uncorrelated zero mean random variable with the same standard deviation σ.   - //x//[//k//] = //A// cos(//k//ω) + //B// sin(//k//ω)where ω is a constant and //A// and //B// are uncorrelated zero mean random variable with the same standard deviation σ.
  
  
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 +  * **Solution to Assignment 2 can be downloaded by clicking [[http://www.cse.yorku.ca/~asif/4214fall12/Assignments/HW2Solution.PDF| here]]. Be patient as it is a file of about 2.1MB.**
  
  
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