1. Sine wave
If the sequence x(i) represents the sine wave ,the sinusiodal signal can be generated according to the following equation.
for i=0,1,2,3.....n-1 and where a is amplitude.
φo is the initial phase of signal
f is the frequency in normalized units of cycles/sample.
2. Triangular wave
If the sequence x(i) represents the triangular wave ,the Triangular signal can be generated according to the following equation.
for i=0,1,2,3.....n-1 and where a is amplitude and n is the number of samples.
tri(phase[i]) is defined by following equation
f is the frequency in normalized units of cycles/sample.
3. Square wave
If the sequence x(i) represents the square wave ,the Square signal can be generated according to the following equation.
for i=0,1,2,3.....n-1 and where a is amplitude and n is the number of samples.
square(phase[i]) is defined by following equation
where
duty is duty cycle
f is the frequency in normalized units of cycles/sample.
4. Sawtooth wave
If the sequence x(i) represents the sawtooth wave ,the Sawtooth signal can be generated according to the following equation.
for i=0,1,2,3.....n-1 and where a is amplitude and n is the number of samples.
sawtooth(phase[i]) is defined by following equation
where
f is the frequency in normalized units of cycles/sample.
