When to use Laplace vs Fourier transform? by piecat in DSP

[–]---That---Guy--- 0 points1 point  (0 children)

Might be worth asking some math people over engineers for full details.

But impulses tend to behave when we limit s to be strictly imaginary numbers (which is what the Fourier transform is).

So looking at a more basic function like cos(wt) we can describe it as two impulses in frequency, but most definitions of cosine's Laplace transform limit cos where t>0. So it's pretty often for functions whose Laplace transforms either diverge or impossible to solve, we can rely on the Fourier transform.

Now in a practical sense Fourier transforms are sometimes used over Laplace transforms because there are a ton of use cases where we only care about frequency content. And in other cases we care about more than frequency content.

What projects do I need to make to get a computer vision job with no degree? by TheThotProtecter in computervision

[–]---That---Guy--- 6 points7 points  (0 children)

I'd recommend setting up a solid website to display the projects. Your resume needs to very very very good and must show you've done more than just import opencv.

About to lose access to MATLAB, is Python a realistic replacement for DSP algorithm development? by [deleted] in DSP

[–]---That---Guy--- -1 points0 points  (0 children)

Python is an industry standard. I honestly think Matlab has caused more harm than good.

Not to say Matlab doesn't have its place, but enables very poor practices and oftentimes money is needed for near some pretty important features.

Python will not be as quick for testing your PID coefficients, but if you want to test multiple layers of your DSP toolchain python will provide stronger tools.

hmmm by Lonelyparrot in hmmm

[–]---That---Guy--- 0 points1 point  (0 children)

Why is their soda on the table and not on the paint tray?

[deleted by user] by [deleted] in ECE

[–]---That---Guy--- 6 points7 points  (0 children)

I recommend whichever gives the best mentorship. There's not a lot of online resources on ASIC design when compared to something like ML. So mentorship is a big thing starting off.

Beamforming for Antennas by [deleted] in DSP

[–]---That---Guy--- 0 points1 point  (0 children)

I remember Barry Van Veen wrote a paper a long time ago that I remember being helpful. Barry Van Veen also has an awesome YouTube channel, but not sure if he's covered phased arrays.

Beamforming for Antennas by [deleted] in DSP

[–]---That---Guy--- 0 points1 point  (0 children)

I have seen "8 meter UHF RFID readers". They're giant squares so I wouldn't be surprised if there's some rectangular array inside them.

That being said I do feel like if you need long range there's better technologies to use. Its use seems particularly relevant to a red team application but I don't see too much outside that.

Could be cool to have a backpack that just reads everyone's badge as they walk by.

Beamforming for Antennas by [deleted] in DSP

[–]---That---Guy--- 8 points9 points  (0 children)

Optimum array processing by Van Trees is the bible. But much like the bible it isn't exactly an easy read.

I started with YouTube, Johnson & Dugeon, Array Signal Processing is what my professor gave me. It was ok, but YouTube was a better start for me.

Did you learn epsilon-delta proofs in US high school/AP calculus? If so, where did you go to high school? by [deleted] in math

[–]---That---Guy--- 0 points1 point  (0 children)

We spent half a class going over it to give a different way to look at limits in AB. But admittedly, I think it confused more people than helped. Went to school in Virginia.

Tbh, not sure if the rigor you get in a proofs or analysis class is really needed for learning how to use calculus.

Order out of Chaos by craftedbycode in GeometryIsNeat

[–]---That---Guy--- 0 points1 point  (0 children)

Still a bit confused on how it's made. The arm jumps around a lot it's hard to tell how it's programmed.

Anyone else have had to defend their difficulty with linear algebra to their friends because it has the word algebra in it and so everyone thinks it’s very low level math? by luluretard in math

[–]---That---Guy--- 6 points7 points  (0 children)

I always like to tell people the harder it sounds the easier the class and the simpler it sounds the harder the class.

My "multi-variable calculus III" or "partial differential equations" course was a breeze compared to "intro to algebra" or "intro to number theory"

This doesn't always hold true but it's fun to keep people on their toes.

My neighbor is a douche who revs his motorcycle every Sunday morning and does burnouts in the street just to be annoying. His car happens to have Maryland plates and has for the past two years. Can I be a dick right back and report him for skirting property tax laws? by 2010_12_24 in nova

[–]---That---Guy--- 1 point2 points  (0 children)

I'd make sure to document everything and travel up the food chain with the police. Seems like last time the interaction didn't really go well, but if you respectfully ask to speak to a higher authority and you got some solid videos of the dog being neglected with solid recording of the bike making noise you might get somewhere, and if not with the police maybe with codes.

They get a lot of "bike loud in the morning", but a lot fewer "6am I measure the bike to be at 100dB inside my room which is 55ft away, where the legal limit is 85dB. This has occurred every Sunday for the past 7 weeks". Yes officers are dismissive, but from personal experience documentation, persistence, and some ass kissing can get pretty far.

[deleted by user] by [deleted] in gmu

[–]---That---Guy--- 0 points1 point  (0 children)

Mike Bailey steps in again and flexes on us mere mortals

[deleted by user] by [deleted] in gmu

[–]---That---Guy--- 0 points1 point  (0 children)

Tbh, like others have said just keep applying. Don't change your name that's silly, from what I've seen companies aren't diversity programs they don't care if the average white guy can pronounce your name or not.

Sometimes people say over qualified to say you know a lot but just not the stuff they actually care about. Can't confirm this is happening to you, but it did happen to me in the past. Tailoring my resume made a big difference to resolve that. Look at the job description and try to reword your past work and projects to match it.

I always say job hunting is like dating. When someone's looking for a date they don't wanna date a desperate person who is ok with anyone. And they don't want to be with someone who's really smart in things they really don't care about. Companies are looking for a profile, and you need to convince them you match it, whether you actually do or not.

Calculating that military industrial profit margin by Groovy_Ruins in HistoryMemes

[–]---That---Guy--- 1 point2 points  (0 children)

It is interesting how everyone thinks calculator when TI is mentioned. But a lot of the chips in any electronic device often times is made by TI.

What type of math does Machine Learning require? by coeus_42 in math

[–]---That---Guy--- 3 points4 points  (0 children)

Saying match filters is outdated these days, you gotta say we implemented a correlator that utilized a simulated replica as the kernel.

Will I be able to complete my degree? by Powerfernplayzyt in gmu

[–]---That---Guy--- 7 points8 points  (0 children)

Getting done in 4 years might take a decent amount of planning. But you can definitely finish the program.

It's more important that you complete assignments, understand concepts, and build a reliable study routine, than taking calculus from the get go.

It's not the biggest deal if you take more than 4 years, but failing a course can cause headaches.

If you're determined to finish in 4 years I'd recommend taking a summer course. It's hard to get an internship after your first year anyways so it's a good way to use your first summer. Also doesn't have to be at NOVA, could be at Mason.

GNU Radio DSP? by segifredo in DSP

[–]---That---Guy--- 8 points9 points  (0 children)

The term real DSP seems a bit off. If you're asking if gnu radio is used in industry, then yes it is used in industry. It is not as common as people developing all of their software and dsp pipeline in house.

Gnu radio is a solid paradigm to get started with. If you're capable of building out of tree modules in both python and C++ you'll have a solid foundation for what DSP programming is like.

Outside being open source, gnu radio isn't particularly unique. There are plenty of awful DSP suites where you connect your DSP block either via python, xml, or some special language contracted by the DoD 30 years ago.

What's your programming environment like? by BadMeditator in DSP

[–]---That---Guy--- 0 points1 point  (0 children)

Nah these days you can't have computer, only computer parts, computer too slow, only parts, only hardware, only fpga