3. Spectrum Representation, Problems With and Without Solutions

AM radio spectrum
AM transmission of stereo left and right channels
Add new signal to spectrum of sum of sinusoids
Add sinusoid to an existing spectrum
Adding sinusoid to signal with Fourier series
Adding two signals given by their spectra
Beat Notes
Beat signal spectrum from sum of sinusoids
Complete spectrum plot using symmetry
Complete table for spectrum plot using symmetry
Complete table using symmetry of spectrum
Compute Frequencies of Notes in the C-Major Scale
Compute the DC Component of a Periodic Signal
Compute the Fourier Series Coefficients for a Periodic Pulse Signal
Compute the Frequencies of the Notes of the C-Major Scale
DC Component of a Sum of Cosines
DC offset and flip of x(t) and its Fourier series representation
DC offset and time-shift of Fourier series representation
Derivative and time-shift of Fourier series representation
Determine Fourier Series for a Sum of Cosine Signals
Determine Signal from Incomplete Spectrum Plot
Determine a Chirp Signal given the Instantaneous Frequency
Determine periodic signal from Fourier integral
Determine the Fourier Series of a Product of Sinusoids
Determine the Instantaneous Frequency of a Chirp Signal
Evaluate Fourier Series Integral for a Specific Signal
Evaluate Fourier integral & plot spectrum
Express the Square of a Sinusoid as a Sum of Complex Exponentials
Features of Pure Sinusoids
Features of Sinusoids
Fill in table for spectrum using symmetry
Find Fourier series coefficients for periodic exponential signal
Fourier Integral & DC Value of Periodic Signal
Fourier Series Analysis and Spectrum of a Periodic Square Wave
Fourier Series Analysis of a Periodic Square Wave
Fourier Series Integral for Specific Signal
Fourier integral for periodic signal
Fourier series and spectrum
Fourier series coefficients and spectrum plot
Fourier series coefficients for periodic signal
Fourier series coefficients for periodic two-sided exponential
Fourier series coefficients for related signals
Fourier series coefficients for sum of sinusoids
Fourier series coefficients from a spectrum plot
Fourier series coefficients from spectrum plot
Fourier series coefficients of sum of sinusoids
Fourier series for cosine cubed
Fourier series modified by adding a sinusoid
Fourier series of a square wave
Fourier series of periodic signal and DC value
Fourier series of periodic two-sided exponential
Fourier series properties from a spectrum plot
Fourier series, FM and sampling questions
Frequencies of musical notes
Fundamental frequency, fundamental period and DC value
Given a Spectrum, Determine an Equation for the Signal as a Sum of Cosines
Harmonic spectrum for musical notes
Instantaneous Frequency of a Chirp Signal
Instantaneous Frequency of a Linear-FM (Chirp) Signal
Instantaneous frequency of FM as real part of complex exponential
Instantaneous frequency of FM chirp defined by MATLAB code
Instantaneous frequency of FM signal defined by MATLAB code
Instantaneous frequency of FM signal from MATLAB code
Instantaneous frequency of chirp signals
Match Chirp to Sinusoids
Match Spectrum to Periodic Waveforms
Match Spectrum to Sinusoidal Waveforms
Match the Waveform with its Spectrum
Matching instantaneous frequency to sinusoids
Matching sinusoids with real part of complex amplitudes
Matching spectra to periodic signals
Matching spectrum and periodic signals
Miscellaneous true-false & multiple choice questions
Multiplication of Two Sinusoids
Piano Frequencies
Plot Spectrum of Summed Sinusoids Using MATLAB
Plot an Amplitude Modulated Signal
Plot periodic x(t) and find DC value and write Fourier integral
Plot periodic x(t) and find DC value from the Fourier integral
Plot periodic x(t) and set up Fourier integral
Plot periodic x(t) defined by Fourier integral
Plot periodic x(t) defined by Fourier integral & find coefficient value
Relate Time Shift to Phase of a Sinusoid
Set up and evaluate Fourier integral for rectified cosine
Sinusoids → Spectrum; Period
Sinusoids Defined by MATLAB →Spectrum
Sinusoids and Complex Numbers
Spectrum & Fourier series coefficients of cosine cubed
Spectrum & Fourier series coefficients of cosine to the fourth power
Spectrum → Complex Exponentials; Period
Spectrum → Sinusoids, Period
Spectrum → Sinusoids; Fundamental Frequency and Period
Spectrum → Sinusoids; Period
Spectrum → sum of sinusoids
Spectrum for AM Signal
Spectrum for Sine Cubed
Spectrum for Sine Cubed; Fundamental Period
Spectrum for product of sinusoids
Spectrum for product of sinusoids from MATLAB code
Spectrum for sum of sinusoids
Spectrum from Fourier series coefficients for periodic signal
Spectrum of (cos)(cos) Defined by MATLAB Code
Spectrum of (cos)(sin) Defined by MATLAB Code
Spectrum of (sin)(sin) Defined by MATLAB Code
Spectrum of (sin)+(sin) Defined by MATLAB Code
Spectrum of AM Modulated Signal
Spectrum of AM Signal
Spectrum of AM radio
Spectrum of AM radio signals
Spectrum of Product of 2 Sinusoids
Spectrum of Real-Valued Signal
Spectrum of Signal Composed of Sinusoids
Spectrum of a Periodic Signal from the Fourier Series
Spectrum of a Sum of Cosine Signals
Spectrum of cosine cubed
Spectrum of cosine cubed times sine
Spectrum of cosine squared
Spectrum of derivative of sum of complex exponentials
Spectrum of harmonic & nonharmonic sinusoids
Spectrum of harmonic sinusoids in music
Spectrum of product sinusoids
Spectrum of sinusoid plus DC
Spectrum of sinusoid plus DC modified in time domain
Spectrum of sinusoid plus DC, then squaring
Spectrum of sinusoids plus DC
Spectrum of sum of sinusoids
Spectrum representation of AM radio signal
Spectrum representation of sum of cosines
Spectrum values from time-domain plot
Sum of sinusoids from spectrum
Sum of sinusoids from two-sided spectrum plot
Symmetry in spectrum
Symmetry in the spectrum
Symmetry of the Spectrum
Transformation of Fourier series coefficients of rectified cosine
Transformation of Fourier series coefficients of square wave
Write signal from a spectrum
Write sum of sinusoids from spectrum information