Communication Systems and Signal Processing Problems
1) Communication Systems and Signal Processing Problems
1) Armstrong FM Modulator Design
The total amount of frequency multiplication required is: 75 / 1.5 = 50. If the narrowband FM signal is input to a frequency multiplier with factor 50, then the carrier frequency gets converted to 5 MHz. So at the output of the frequency multiplier, we need a mixer, which shifts the carrier frequency by 99 MHz to 104 MHz.
2) Binary Channel Decision Rule
(a) Since 0 and 1 are sent with equal probabilities, the optimal
Types of Motor Controllers for Different Applications
Applications.DC: They are directly connected to batteries in small applications. Or high torques are needed in big industrial applications. Connected to batteries: toys/car whippers. Old elevators/cranes/deployable bridges.
SERVO:
Used when high precision at positioning, speed, or acceleration is needed. Also when high torques at low frequencies. Short and repetitive working cycles. CNC milling machines-close loop/Labeling machine-close loop/Printing presses-open loop.
ASY:
Long working cycles where
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Law
The laws are the writen rules aproved by the different goverments or international institutions. The main labour law in Spain is The Workers Statute.
Labour
Law Sources
Formal sources:
International
legislation
– European legislation: These are legislative acts of the Europen Union that become immediately as a law in all member states simultaneously.
– European directives: The member states of the EU are obliged to reach the results that are stipulated in the directives. The member states are free
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UNIT 1. LANGUAGE AS COMMUNICATION: SPOKEN AND WRITTEN LANGUAGE. ELEMENTS DEFINING A COMMUNICATIVE SITUATION: SENDER, RECEIVER, FUNCTIONALITY AND CONTEXT.
INTRODUCTION
LANGUAGE AS COMMUNICATION
Language definitions
Communication definition.
Communicative competence
SPOKEN AND WRITTEN LANGUAGE
Historical attitudes
Differences between writing and speech
FACTORS IN A COMMUNICATIVE SITUATION: SENDER, RECIEVER, FUNCIONALLITY AND CONTEXT.
Communication process
Key factors
Language functions
Context
CONCLUSION
BIBLIOGRAPHY
1.
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Magnetomotive Force
= magnetomotive force (mmf) in (A-t)
N = number of turns in coil (t)
I = current in coil (A)
Magnetic Field Intensity
H = magnetic field intensity
= mmf (A-t)
N = number of turns in coil (t)
I = current in coil (A)
= mean length of magnetic circuit, or section (m)
Flux Density:
B = flux density (Wb/m2) or (T)
= magnetic flux (Wb)
A = cross-sectional area (m2)
Magnetic Circuit Equation:
= magnetic flux (Wb)
= magnetomotive force (mmf) in (A-t)
= reluctance of magnetic circuit (
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Quiz 1&2
To effectively and efficiently use computers, you need to know the parts of an information system, which include people, procedures, software, hardware, data and the Internet. Here between data and information, the total amount you are paid for the week should be information and the number of hours you worked in a week and your pay rate are data. There are two major kinds of software discussed in Chapter1: system software and application software. Midrange computers are
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