## Solution Library

#### Fourier Series Expansion of a Real Periodic Signal

Question The Fourier series expansion of a real periodic signal is in the form of f(t) = ao + an cos(nωot)  + bn sin(nωot) Find the Hilbert-transform pair. Find the average power of the Hilbert-transform pair. Evaluate the inner product of the Hilbert-transform pair. Summa ... Read More

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#### Lowpass Highpass Frequency Transformation Technique

Question Show that the z → -z-1 frequency transformation coverts a lowpass filter HL(z) to a highpass filter HH(z) = HL(-z-1) The speech scrambler utilizes the modulation sequence [+1, -1, +1, -1, +1, -1, +1, -1,…] for the redistribution of frequency components. The z → -z- ... Read More

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#### Interpolation Techniques to Interpolate the Subsequences

Question Below, two data sequences were used for the interpolation experiments. Consider a simple single-mode 128-point sequence x(n) = sin(πn/64)                        for&n ... Read More

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#### Differentiation of a Polynomial Equation

Question Differentiate the following, using the correct notation. Y = x3 + 4x2 – 5 Summary: This question belongs to differentiation in mathematics and discusses about differentiation of the given equation.   Answer is in image format   ... Read More

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#### Differentiation of a Polynomial Equation

Question Differentiate the following, using the correct notation. Y = 12x3 + 8x2 +2x -7 Summary: This question belongs to differentiation in mathematics and discusses about differentiation of the given equation.  Answer is in image format   ... Read More

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#### Differentiation of a Polynomial Equation

Question Differentiate the following, using the correct notation. F(x) = x5 +  -  - 2 Summary: This question belongs to differentiation in mathematics and discusses about differentiation of the given equation.  Answer is in image format   ... Read More

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#### Differentiation of a Polynomial Equation

Question Differentiate the following, using the correct notation. Y = x (x+3)(x-4) Summary: This question belongs to differentiation in mathematics and discusses about differentiation of the given equation.  Answer is in image format   ... Read More

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#### Differentiation of a Polynomial Equation

Question Differentiate the following, using the correct notation. F(x) =   Summary: This question belongs to differentiation in mathematics and discusses about differentiation of the given equation.  Answer is in image format   ... Read More

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#### Differentiation of a Polynomial Equation

Question Differentiate the following, using the correct notation. F(x) = x3 – 3x2 +  + 7 Summary: This question belongs to differentiation in mathematics and discusses about differentiation of the given equation.  Answer is in image format   ... Read More

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#### Find Gradient of Given Curves at the Given Points

Question Find the gradient of these curves at the given points.              F(x) = 2x2+2     when X =2 and X = -1.  Summary: This question belongs to differentiation in mathematics and discusses about to find gr ... Read More

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#### Find Gradient of Given Curves at the Given Points

Question Find the gradient of these curves at the given points.              Y = 2e3x +2x when X = -2 and X = 4. Summary: This question belongs to differentiation in mathematics and discusses about to find gradient of given curves at the ... Read More