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Question about Problem from Hykins book
A PCM system uses a uniform quantizer followed by a 7-bit binary encoder. The bit rate of the system is equal to 50 magabits per second.
a) What is the maximum message bandwith for which the system operates satisfactorily?
b) Determine the output signal to quantizing noise ratio when a full-load sinusoidal modulating wave of frequency 1 MHz is applied to the input.
Evaluating Coding Gain, CNR, and BER of a DSSS-CDMA Transmitter, a. A DSSS-CDMA transmitter sends message signals at a rate of 5.0 kbps using a long chip sequence with a rate of 1 M chips per second. In the receiver, what is the processing gain (a..
What is the channel capacity for a channel with a 300 Hz bandwidth and as S/N = 3? 2nd problem: Given a channel with a 50 kHz bandwidth and a S/N = 127, determine:
A DSSS-CDMA signal has a chip sequence that is 1,000 chips in length. The sequence repeats every millisecond. Define DSSS-CDMA Chip Sequence
What is the modulation used to transmit HDTV signals over the air in US terrestrial broadcasting? What is the transmitted bit rate and the compression method?
Determine the frequency response of this receptor to stretching. There are devices that can apply sinusoidal stretch to a small segment of tissue.
A 1 kHz sine wave signal with a power level -10 dBm is applied to the input of the amplifier. What is the power at the amplifier output?
Suppose that we wished to match an admittance using a double-stub tuner where the stubs are lambda/4 apart. For what range of admittance values can
The magnetic tape recorder uses linear analog to digital encoding. Telephone systems use non linear analog to digital conversion. Explain the difference.
How a transformer works and apply those rules to a transformer where the primary core cross-sectional area is twice.
A telephone switching board can handle 120 phones. Assuming the following, and determine the outgoing traffic intensity and the number of channels
Shielding Effectiveness with copper and steel at equality, Determine the frequency at which two 1 mm thick shields, one made of copper and the other of steel
Find the impulse response fpr the filter? How many nonzero terms does the impulse response contain?
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