The system tag has no wiki summary.
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0answers
36 views
System timer( by using basic logic gates only) [closed]
Computers contain a timer containing programmable channels. Programmable channels mean timers of different durations. You are to design a circuit with four programmable channels, each disabled ...
0
votes
1answer
67 views
State space representation in s-domain
I was supposed to find state space representation and its matrices of this system:
and I have no idea, how to do this. We were told not to transfer the system to time domain, but I can only do ...
1
vote
1answer
140 views
How to mass-produce a electronic system assembled by me?
"Practically speaking", given I developed a electronic system (in my case with the Arduino board), what are next steps to make in order to produce and market that system (in my case, regardless of ...
0
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1answer
86 views
Frequency Response Help
A discrete-time linear and time-invariant (LTI) system is given by the following
input-output relationship: y[n] = 2x[n] − x[n − 1], where x[n] is the input and y[n] is the
output.
(a) What is the ...
4
votes
2answers
63 views
Definition of a System
A mathematical operator is generaly a mapping between a domain set of functions and a range set of functions.One example is the derivative operator L ( L[f] = f' ) for example.
Can i say every ...
0
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1answer
89 views
Control system to minimize a parameter
This is a pretty vague question so please bare with me, I can add further information if required just let me know in the comments. So here is the problem that I want to solve.
There is a system ...
0
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0answers
47 views
Time-Invariance Evaluation
I have a system which is described by the following mathematical equation: \$y(t) = x(2t)\$
I know this system is not time-invariant and the reason is that the response from this system to a delayed ...
-2
votes
1answer
91 views
Need suggestions for amaster thesis on wireless sensor systems [closed]
I am going to write my master thesis on a wireless sensor network for a fire security system. The wireless protocol is decided and confidential, and has mesh capabilities for redundancy and great ...
0
votes
2answers
80 views
Powering an old two box metal detector
I recently bought an old two-box metal detector that uses radio tubes and runs on the old radio batteries. There are two boxes, One is a transmitter box, the other is the receiver box. one with 6 ...
2
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1answer
219 views
How to measure three resistors in a triangle
I have three unknown resistors arranged in a triangle (a delta) and need to determine one of them, which is on the order of 100x larger than the other two, in a measurement circuit. I'm wondering if ...
-4
votes
1answer
90 views
Radio to digital signal to a SPI LCD display [closed]
As a programmer I really don't know very much about electronics. So I apologize before hand for my amateurism.
I am trying to make a system that meets the following specs:
1) one device that ...
0
votes
3answers
186 views
How to reverse the effect of an alarm?
I am wondering if it is possible to make an alarm that normally operates/sounds when electricity is flowing through a wire to do the complete opposite. The alarm sounds when there is a constant flow ...
1
vote
2answers
4k views
How to determine a system is stable using pole zero analysis?
To my knowledge, as long as the poles of the transfer function are in the left half plane, then the system is stable. It is because the time response can be written as "a*exp(-b*t)" where 'a' and 'b' ...
1
vote
0answers
153 views
Question about MATLAB Estimate Nonlinear ARX model? (A basic english + engineering question)
First of all, I am a non native speaker. Please help me to understand what exactly MATHWORKS work about NLARX function. My question is what are the difference between nb and nk and how I should write ...
1
vote
1answer
277 views
What type of amplifier do I need for this project?
I'm trying to make a custom PA system for my car, but I am confused about what type of amplifier I might need, or do I need one at all?
I'm wanting to take the main sound unit out of a "personal ...
4
votes
4answers
390 views
How to find an embedded platform?
A bit of background: We have a system currently in production, but the original programmer passed away, and the current hardware manufacturer cannot find hardware to run the (currently) DOS system, so ...
1
vote
2answers
197 views
How do I go about powering appliances from solar energy
I would like to learn how to power some house hold appliances from solar energy.
I haven't had any experience with electronics but am eager to spent time reading and experimenting.
I've done a ...
5
votes
3answers
1k views
Wiring a Arduino to a 12v TTY
I have a DSC-1555 Alarm system that I am trying to wire up to an Arduino-Mega the problem I've run into is that the DSC uses 12v TTL to the Console and the Arduino uses 5v TTL.
I was just guessing to ...
5
votes
3answers
196 views
Book on memory from hardware perspective?
Is there a good book that talks about memory (SDRAM, DDR, NVRAM, flash etc) from a hardware/system perspective? Most of what I've been able to find deal with memory at the transistor level. I am ...
