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Why two frequencies are used in dtmf?
The tone frequencies, are selected such that harmonics and intermodulation products will not cause an unreliable signal. No frequency is a multiple of another, the difference between any two frequencies does not equal any of the frequencies, and the sum of any two frequencies does not equal any of the frequencies.
What is the measure of the range of frequencies a communication signal occupies called?
Radian
Why low frequencies are not used for data transmission in computer networks?
Low frequencies are avoided for data transmission in computer networks to prevent data loss due to attenuation of the signal. Also, low frequencies are incapable of transferring data at the speeds of higher frequencies.
What is bandwidth of a impulse signal?
The bandwidth of impulse signal is infinity.because upper frequency is infinity.
When a signal of 10 mV at 75 MHz is to be measured then What instruments can be used?
When a signal of 10 mV at 75 MHz is to be measured then which of the following instrument can be used -
Why a signal is called base band signal?
In signal processing, baseband describes signals and systems whose range of frequencies is measured from zero to a maximum bandwidth or highest signal frequency; it is sometimes used as a noun for a band of frequencies starting at zero.
How does a vibrating reed frequency meter works?
A vibrating reed frequency meter operates by using a reed that vibrates at the frequency of the input signal being measured. The length and mass of the reed are designed to resonate at specific frequencies, causing the reed to vibrate when the input signal matches its resonant frequency. The vibrating reed then generates an electrical signal that can be measured and displayed as the frequency of the input signal.
What units are wave frequencies measured in?
Wave frequencies are typically measured in hertz (Hz), which represents the number of cycles per second.
What is the spectrum of a signal?
2Fb/M
How do you scramble gps signal?
transmit a jamming signal on its L1 and L2 carrier frequencies.
Why would you want to know what frequencies are present in a signal?
Jellybabies
Bandwidth of digital signal is infinite?
A digital signal is actually a complex signal. Consider the horizontal part of a digital signal as a component with 0 frequency and the vertical part of the signal as the component of infinite frequency. Also, consider the change from the horizontal to vertical as all the frequencies. Then we can claim that a digital signal is complex signal with frequencies from 0 to infinite.A digital signal is a composite analog signal with an infinite bandwidth.
What are the range of frequencies that can be transmitted called?
The range of frequencies that can be transmitted is called the bandwidth. It refers to the range of frequencies within a signal that can be effectively transmitted through a communication channel.
What is The use of multiple frequencies to transmit a signal?
spread-spectrum technology
What is the bandwidth of a signal composed of frequencies from 50 Hz to 500 Hz?
The bandwidth of a signal is the width of frequencies between the highest and the lowest frequency. So 500Hz - 50Hz = 450Hz bandwidth. AE7HD
Why two frequencies are used in dtmf?
The tone frequencies, are selected such that harmonics and intermodulation products will not cause an unreliable signal. No frequency is a multiple of another, the difference between any two frequencies does not equal any of the frequencies, and the sum of any two frequencies does not equal any of the frequencies.
Can anyone tell me what Bandwidth mean in computing?
Bandwidth can be interpreted several different ways. Most commonly it's the rate data is transferred. However, it's originally from signal processing and it was to measure frequencies measured in hertz.
