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Explain the term modulation. how does it help in data communication?
Modulation is the addition of information to an electronic or optical signal carrier. The modulation can be applied by turning the signal on and off.
What are the modulation tecniques in mobile communication?
qpsk modulation
How to Generate digital data for bpsk modulation?
How to Generate digital data for bpsk modulation?
What is modulation and how is it used in communication systems Can you provide two examples of how modulation is utilized in modern technology?
Modulation is the process of varying a carrier signal's properties, such as amplitude, frequency, or phase, to encode information for transmission. In communication systems, modulation is used to efficiently transmit data over long distances by converting the information into a form that can be carried by the carrier signal. Two examples of how modulation is utilized in modern technology are: In Wi-Fi technology, modulation techniques like Quadrature Amplitude Modulation (QAM) are used to encode digital data into radio waves for wireless communication between devices. In digital television broadcasting, modulation methods such as Vestigial Sideband Modulation (VSB) are employed to transmit audio and video signals over the airwaves for high-quality TV reception.
The amount of frequency shift during modulation is called?
Frequency shift keying in digital communication and Frequency modulation in analog communication..........
What are the advantages of pulse position modulation?
Pulse position modulation offers high noise immunity, efficient use of bandwidth, and easy implementation with digital circuits. This modulation technique is particularly useful in applications requiring high data transmission rates and reliable communication in noisy environments.
What are modulation techniques in satellite communication?
frequency modulation, preferably.
Where is delta modulation used?
Adaptive delta modulation is used in audio communication systems to avoid the two drawback of delta modulation.
Where is adaptive delta modulation used?
Adaptive delta modulation is used in audio communication systems to avoid the two drawback of delta modulation.
Why qam is better than other modulation?
Quadrature Amplitude Modulation (QAM) is often considered superior to other modulation schemes due to its ability to transmit multiple bits of data per symbol by combining amplitude and phase variations. This efficiency allows for higher data rates within the same bandwidth compared to traditional methods like Amplitude Modulation (AM) or Frequency Modulation (FM). Additionally, QAM can effectively combat noise and interference, making it suitable for high-capacity communication systems, such as digital television and broadband internet. Overall, its versatility and efficiency make QAM a preferred choice in modern digital communication.
What is Amplitude in Data communication?
Amplitude in data communication refers to the size or magnitude of a signal. It represents the strength or intensity of the signal, typically measured as the difference between the peak and trough of a waveform. In analog transmission, amplitude modulation (AM) alters the amplitude of a carrier wave to encode information.
What are the two types of wave communication used in broadcasting?
AM and FM AM=Amplitude Modulation FM=Frequency Modulation Hope this helps
