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Author Archives: Anonymous

Select the correct statement(s) regarding guided mediums.

Select the correct statement(s) regarding guided mediums.

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What is true about viewing a signal in either the time or fr…

What is true about viewing a signal in either the time or frequency domain?

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Given the following message, m(t), carrier, c(t), and Kp=0.1…

Given the following message, m(t), carrier, c(t), and Kp=0.15(rad/v), determine the PM modulated signal equation and frequency bandwidth:  m(t)=2cos(2π3500t), c(t)=2cos(2π45E6Hzt).

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Quadrature amplitude modulation (QAM), is a technique where…

Quadrature amplitude modulation (QAM), is a technique where two carriers of the same frequency are transmitted.  Each carrier wave differs from the other by π/2 radians.   Symbols are represented by the carrier’s amplitude and phase

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Characteristics of a properly filled hemacytometer include:

Characteristics of a properly filled hemacytometer include:

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Select the correct statement(s) regarding cellular phone net…

Select the correct statement(s) regarding cellular phone networks.

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What is the bandwidth in the frequency domain for a FM modul…

What is the bandwidth in the frequency domain for a FM modulated carrier signal with the following:  b=5, highest modulating frequency fm=200kHz.

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The depth of an Improved Neubauer hemacytometer is:

The depth of an Improved Neubauer hemacytometer is:

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The transmission power of an unguided RF signal occupies the…

The transmission power of an unguided RF signal occupies the surface area of the wavefront as it propagates away from the transit antenna.  As such, we use power density as a measure of RF signal strength.

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Given the following FM modulated signal equation and Kvco, d…

Given the following FM modulated signal equation and Kvco, determine the original message m(t) and frequency bandwidth:  s(t)=2cos(2π(4MHz)t + 3sin(2π(4kHz)t)), Kvco =4000 (Hz/v)

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