How Do Time Domain Representations Compare in DSB-SC Modulation?

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SUMMARY

The discussion focuses on the time domain representations of two signals used for Double Sideband Suppressed Carrier (DSB-SC) modulation with a carrier frequency (fc). Both signals exhibit the same envelope, indicating a similarity in their amplitude characteristics. The primary point of contention is identifying the phase change at t=1 for both modulated signals without visualizing the plots. This analysis is crucial for understanding the modulation process and its implications on signal transmission.

PREREQUISITES
  • Understanding of DSB-SC modulation techniques
  • Familiarity with time domain signal analysis
  • Knowledge of phase modulation concepts
  • Basic principles of signal processing
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  • Research the mathematical representation of DSB-SC modulated signals
  • Learn about phase shift keying and its applications
  • Explore tools for visualizing time domain signals, such as MATLAB or Python's Matplotlib
  • Investigate the impact of phase changes on signal integrity in communication systems
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Electrical engineers, communication system designers, and students studying signal processing who seek to deepen their understanding of DSB-SC modulation and its time domain characteristics.

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the 2 signals shown are used for modulating ( DSB-SC) a carrier with frequency fc.
Now i need to find the similarities and differences between their time domain representation.
Clearly the both will have same envelope. Now i tried for the difference part but could not find it. One possibility according to me can be the phase change at t=1. Can we find that what will be the phase change for both modulated signals at t =1 without drawing the actual plot ?
 

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