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What piece of equipment acquires a signal from a communication medium and recovers the original information signal?
modem
What is the reason of using aperiodic digital signal in data communication?
bjbl,
What is meant by a bandpass signal?
Band pass refers to a specific range of frequencies requires for transmission of a signal over a appreciable distance for effective communication by applying special modulation techniques for effective transmission of a signal.
What does a balanced modulator produce?
Please answerin the case of communication , a balanced modulator is used to suppress the carrier from a conventional amplitude modulated signal
What are Disadvantages of digital control?
Unwanted Errors of precision when the analog signal is converted into a quantized, sampled digital signal. The same error arises when the digital signal is then converted into an analog signal for the plant to use.
What does 9 mean in ham radio terms?
In ham radio terms, "9" typically refers to the signal report system used in amateur radio communications. It specifically denotes the strength of the received signal, where higher numbers indicate stronger signals. For example, a signal report of "59" means the signal is loud and clear, with "5" indicating signal strength and "9" indicating excellent clarity. This system helps operators quickly assess communication quality.
What is the unit of cross talk?
Crosstalk is typically measured in decibels (dB), which quantifies the level of interference or signal leakage between communication channels. It represents the ratio of the undesired signal to the desired signal, allowing for a clear comparison of signal integrity. In some contexts, it may also be expressed as a voltage ratio or in terms of specific signal-to-noise ratios.
What is the signal plan?
A "signal plan" is typically a document that outlines how signals are used or managed, whether in traffic control or communication systems. It specifies signal timings in traffic or signal allocation in communication networks.
What terms describes a chemical signal made in sweat glans?
The term that describes a chemical signal made in sweat glands is "pheromone." Pheromones are chemical substances released into the environment that can influence the behavior or physiology of other individuals of the same species, often playing a role in communication related to mating, territory, or social interactions. They can be found in various bodily secretions, including sweat.
What is coherent communication system?
A coherent communication system is one that uses a reference signal for accurate signal detection and processing, allowing for improved performance in terms of signal-to-noise ratio and data integrity. It typically employs techniques such as phase and frequency synchronization, which help in demodulating the received signal by maintaining phase coherence with the transmitted signal. This type of system is widely used in applications like radar, optical communications, and advanced wireless systems to enhance data transmission efficiency and reliability.
What are the differences between low attenuation and high attenuation in terms of signal strength in a communication system?
Low attenuation refers to a situation where the signal strength remains strong over long distances, resulting in minimal loss of signal quality. High attenuation, on the other hand, indicates a significant decrease in signal strength over distance, leading to potential loss of signal quality.
Which signal is used in communication?
micro wave is used in cell phone communication.
Data communication for signal characteristics?
past present and emerging developments in signal characteristics?
What amplifies the communication from a signal molecule?
penis
Which is not part of the description for communication?
learning a signal
Where does noise enters in a communication system?
Noise may interfere with signal at ant point in a communication system.The noise has its greatest effect on the signal in the channel.
Why the received signal in analog communication is distorted by the channel noise than that of digital communication?
If an RF signal is AM modulated with a analogue signal any noise will add or subtract to the amplitude of the RF signal and will be present in the audio signal after detection, also will the noise add itself to the audio signal, where as in digital communication a slight variation in the amplitude of the signal is of no concern because you only work with ones and zeros, it's high or it's low
