Questions tagged [communication]
Use this tag for non-technical questions about interpersonal communication in the engineering profession.
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Two-Ray Ground-Reflection Model: Understanding the Difference in Phase Offsets at the Receiver
Currently, I'm trying to understand the Two-Ray Ground-Reflection Model.
During my research, I came across the following simplification expressing the received power as follows (taken from Wikipedia):
...
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Issues communicating PoKeys57CNC and Mach4 running on Windows 11 Home PC in Custom Shell Kiosk Mode
Some background Information
I am using a Windows 11 Home PC to control a plasma cutting machine. The windows 11 machine uses Mach4 as the interface for controlling the plasma cutter and a PoKeys57CNC ...
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Communication systems normal AM modulation
AM transmitter develops a power output of (110 W) across a (70 52) resistive load when a sinusoidal test tone with a peak amplitude of (4 V) is applied to the input of the modulator it is found that ...
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visualise state machines including timing dimension
On a communication link, Unit A and B are supposed to be handshaking either in fast mode or slow mode. They are waiting in a predefined mode for a predefined time, until the same mode is matched on ...
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Use of 'parameter' in engineering?
Is there a different meaning to the word of 'parameter' in engineering? I've started in engineering from a mathematics/physics background, and commonly a 'parameter' is either used to 'parameterize' a ...
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Heat loss in Optical Fiber
I am conducting a thermal analysis of optical fibers. ( Software used AutoCAD Fusion 360)
The Inputs conditions are :
Let's assume an input power of 1250W, with an efficiency of 98%. 2% loss which ...
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Calculate the temperature stability of wavelength demultiplexer
Hi ive been given this question:
A wavelength demultiplexer (DMUX) used in a DWDM communication system has a
channel spacing of 100 GHz. The operating pass band of each channel is 50 GHz. The
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Can strength be expressed in a single value? Can flexibility?
I'm trying to communicate information about the strength and flexibility of certain materials to laymen. Are there any recognised proxies for strength and flexibility?
I've tried:
$$\text{Strength ...
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Describe the magnitude of a force using real-life comparisons instead of numbers
I already asked this on physics.se, I got a suggestion to ask here, but the question became too old to migrate before I decided to do it. I did also receive an answer, and I am grateful for it but
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how to implement an encoder in matlab
How can I encode a quantized vector in matlab ?
This is a part of a problem where I am asked to implement a communication block using matlab.
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why can't remove the Image frequency using a band-pass filter?
why can't remove the Image frequency using a band-pass filter?
I've been asked to search for the reason why we can't use BPF (band-pass filter) in order to remove the effects of the Image frequency?
I'...
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Can channel bandwidth transmit any VALUES of frequencies as long as they are within range
I know that channel bandwidth is the range of frequencies it can transmit . Let's say channel bandwidth is 100 Hz . Does that mean it can transmit any signal whose bandwidth is 100Hz regardless of ...
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What's the best way to get an ultrasonic sensor that can vary its operating frequency
Long story short I'm looking to build an ultrasonic sensor that can also be used to communicate with a seperate sensor. (So it must be able to send out a pitch around ~42kHz, but also alter the pitch ...
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How do mobile phones switch 4G/3G/2G?
I would like to know the algorithm of switching between 4g/3g/2g. When will the phone switch from 4G to 3G or from 3G to 2G, when we select for corresponding option in the mobile phone. Is it based on ...
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Tethered Balloons vs Towers for Wireless Communication
If we use tethered balloons (aerostats) with wireless gateways fitted on them (let's say for Cellular or LPWAN communication), they can provide much more coverage owing to the height they can reach (e....
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How to integrate 7 segment display with ULN2003? [closed]
I am working on a project. A water level indicator using ULN2003. Now I want to integrate a 7 segment display to indicate the water level. How?
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Matlab code for a visible light communication system
I simulated a VLC system for an AWGN channel and plotted the BER against Ebno. I used the LED impulse response and convolved it with the signal produced to transmitting. But the results are not OK. It ...
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How can I make a GPS traceable microchip? [closed]
I am looking for making a chip or a microchip, which can be traced with the help of the satellites. Means it is merely a chip and when I tune my satellite to a particular frequency I would get to know ...
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AT Commands for FTP Server Connection on SIM Modem
I am trying to connect to a FTP server on a raspberry pi and transfer a file onto the server. I am using the SIM5320A chip on a breakout module and I am having trouble getting the module to connect to ...
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Is there a universally accepted way to refer to choosing a more powerful motor for an application?
One antonym word I can think of is "derating". If I say "derate motor for pump X", it can mean "select a motor with lower power output, since the pump doesn't need a more powerful motor".
But what ...
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In Engineering fields, how often do you find yourself being asked to be a "salesperson", and what is your reaction? [closed]
I have recently been told that my "salesmanship" is lacking when it comes to getting my ideas implemented. I receive the feedback that my ideas are sound and the data to implement is compelling, and ...
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