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What is the relationship between the bit rate of a signal before and after it has been encoded using DSSS?
In Direct Sequence Spread Spectrum (DSSS), the bit rate of the original signal is spread over a wider bandwidth by multiplying it with a pseudo-random noise (PN) sequence, known as the spreading code. This results in a higher chip rate, which is the rate at which the individual bits of the original signal are processed. Consequently, while the bit rate of the original signal remains unchanged, the effective transmission rate is increased due to the spreading, allowing for improved resistance to interference and better security. Therefore, the relationship is that the bit rate of the original signal is maintained, but the spread signal operates at a higher chip rate.
What else can I help you with?
Analog signal vs digital signal?
A: Analogue is a signal DC with varying amplitudes. Digital is a state defined as true or false or machine language '1' '0' Digital must change states to supply information while analogue it has only to change amplitude
What is the relationship between sampling rates and frequency of the modulating signal when using pulse modulation?
The sampling rate must be at least double the highest frequency component of the modulating signal in order to avoid frequency aliasing.
What is the block diagram of Analog to digital converter?
Analog signals are converted into digital signals through the following steps:The analog signal passes through a sample and hold circuit which samples the signal at sampling instants.After sampling, the signal is quantizedAns lastly it is encoded
What is the difference between signal processing and signal conditioning?
processing is nothing
What is the difference between the modulating signal and the demodulating signal in output of the detector?
Distortion.
What is the relation between the bandwidth of a signal before and after it has been encoded using spread spectrum?
there is no basic difference btw the BW. it is the same before & after the SS encoding
What is the relation between the bandwidth of a signal and after it has been encoded using spread spectrum?
there is no basic difference btw the BW. it is the same before & after the SS encoding
Can a microprocessor handle an analog signal?
No. All analogue information must be converted to digital information (binary encoded) before it can be processed.
What is information that is encoded as a string of 1s and 0s?
a digital signal
What is relationship between signal spectrum and bandwidth?
Signal Bandwidth is the Bandwidth of particular frequency at which signal is transmitted and Bandwidth of spectrum which can able two show number of signal between Intrest of frequency.
What is the relationship between phase and frequency of a signal?
They are measuring two different things.
What is detection of AM?
AM is amplitude modulation. AM detection is the process of demodulation or recovering the information encoded in the signal through amplitude modulation. AM detection can be done through a simple diode detector which rectifies the AM signal.
Changing the wavelength of the carrier wave to match that of the signal is called?
Changing the wavelength of the carrier wave to match that of the signal is called modulation. This process allows the signal to be encoded onto the carrier wave for transmission and later decoded at the receiver to extract the original signal.
What is digital signal and how its different then analog signals?
Digital signals have discrete encoded states that they switch between. They can only assume the defined encoded values. Errors can often be easily detected and sometimes corrected.Analog signals are continuous and change smoothly from one value to another, passing through all intermediate values. There is no way to identify errors.
What is the difference of traditional tv compare with digital tv?
The way in which the information is encoded is the difference between a digital and an analog television signal. Traditional television signals are prone to fading, ghost images, and static. A digital television signal produces a crystal-clear picture and sound without fading or interference.
What is the relationship between antenna size and frequency?
The relationship between antenna size and frequency is that as the frequency of a signal increases, the size of the antenna needed to efficiently transmit or receive that signal decreases. This is because higher frequency signals have shorter wavelengths, requiring smaller antennas to effectively capture or emit the signal. Conversely, lower frequency signals have longer wavelengths, necessitating larger antennas for optimal performance.
How is a signal able to travel in fiber optics?
The signal is encoded as light; the light changes intensity, for example a higher intensity for a one, or a lower intensity for a zero. (In practice, more complicated encoding schemes are used.)
