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Discretised
Singapore
Приєднався 10 чер 2020
How to build an FIR filter (including MATLAB code)
In this video we cover just about everything there is to know on FIR filters; starting from the ideal filter h and a window function w.
0:00 - The ideal low pass filter
1:21 - Window functions
5:44 - The 5-step process to building an FIR filter
6:37 - Example
9:08 - MATLAB code
0:00 - The ideal low pass filter
1:21 - Window functions
5:44 - The 5-step process to building an FIR filter
6:37 - Example
9:08 - MATLAB code
Переглядів: 29 864
Відео
Digital Filters 101: The ideal low-pass filter (and the real one)
Переглядів 7 тис.3 роки тому
In this video we look at what the ideal low-pass filter looks like, and why we can't implement one in real life. We then look at what a real filter looks like, and what the tradeoffs we have to make are.
Z transforms 101
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Everything you need to know to get started with Z transforms. 0:00 - Introduction 0:34 - Why do we need the Z transform? 2:15 - Properties of the Z transform 6:28 - A convolutional representation of systems 9:09 - Solving difference equations with the Z transform
Everything you need to know about Laplace transforms
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This is the ultimate engineer's introduction to Laplace transforms! 0:00 - Preamble 1:02 - Where does the Laplace transform come from? 1:47 - Why is the Laplace transform defined this way? 4:03 - How do we use Laplace transforms? 6:01 - What's the difference between Laplace and Fourier transforms? 6:42 - Final thoughts
How to build your own flight controller | Part 6: making sense of user input
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Once you have readings from your transmitter, how do you actually turn them into something meaningful to give your quadcopter commands? The full SBUS documentation is here: github.com/uzh-rpg/rpg_quadrotor_control/wiki/SBUS-Protocol
What is the impulse response and pulse response?
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The idea of an impulse/pulse response can be super confusing when learning about signals and systems, so in this video I'm going to go through the intuition behind this concept!
What is convolution? This is the easiest way to understand
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What is convolution? If you've found yourself asking that question to no avail, this video is for you! Minimum maths, maximum intuition here to really help you understand the idea behind this complex topic.
Digital Filters 101: The 4 Basic Types of Filter
Переглядів 4,7 тис.4 роки тому
Kicking off a series on digital filters here - whether you're an engineering student struggling with a signals and systems course or coming from my DIY flight controller series, this series should help you out! In this first video, we go over the 4 basic types of filter: low pass, high pass, band pass and band stop! If you're unsure what the Fourier transform is and how signals can have both ti...
How to build your own flight controller | Part 5: Spinning motors with DSHOT
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In this video, I'll show you how to get some motors up and running with DSHOT and a standard BLHELI_S ESC, and I'll go over how we can convert motor speeds into torques acting on the quadcopter. www.discretised.com
How to build your own flight controller | Part 4: the big picture
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In this video, we go over the block diagram that represents our quadcopter system. www.discretised.com
How to build your own flight controller | Part 3: State space form!
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In this video we build a state space model of our quadcopter! A written tutorial following this video is on the way - for now have a look at the previous ones on www.discretised.com If you'd like to go deeper into the theory behind state space representation, check out Brian Douglas' video here from the official MATLAB channel: ua-cam.com/video/hpeKrMG-WP0/v-deo.html
How to build your own flight controller | Part 2: that just sounds like F=ma with extra steps
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Part 2 of the DIY flight controller series, where we find out how to mathematically model the rotation of a quadcopter in space. I've written this up here for you to follow along: www.discretised.com/index.php/2020/07/13/quadcopter-dynamics-finding-the-equations-of-motion/
How to build your own flight controller | Part 1: motivation
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In this video series, I'll take you along the process of designing the software for a quadcopter flight controller from scratch. A more detailed look into the project can be found here: www.discretised.com/index.php/2020/07/10/designing-a-flight-controller-part-1-introduction/
bro you made the analogy like an artist... Thanks a lot :))
best explaination
amazing work sir
These videos are amazing! Pls continue this work!
holy crap this is what clicked this is insane this is such a useful analogy!!
Wish you would pump out more videos my dude! These are great
I don't know whether I don't have enough knowledge about that what he is saying or he don't know exactly what convolution is? Can anybody figure out my problem and explain me clearly!
I was speculative when you started. However, that was the best explanation Ive heard (After covering the same topic in two different classes)
Amazing explanation!
Thank you so much, man! Electrical Engineering student here, u just helped me understand the most challenging and difficult subject I've faced by far. That's exactly what annoyed me the most about convolution: most teachers only show you how to calculate instead of what's actually happening there.
Still being appreciated, many thanks
just woow
I like your approach brother, Thanks.
The perfect, complect, simple Representation. Thank you
Better than my professor :D
This is the best way to understand convolution and the only one I found to truly explain the intuition. Thank you.
You are amazing, it was a really simple intuitive way of understanding convolution.
The real-world bridge example was cool. Thanks for this video! Kinda neat music.
Why i didn't find you before.Amazing ❤
Such an underrated channel, what happend, why not posting for 3 years?
👌👌👍👍👍
Coming back here yet again, this explanation continueous to be a gem. Best explanation hands down
THIS IS A GENIUS WAY!
bro where have you gone
Oh hell na this was a crazy explanation.
That is a very nice explanation! Well done :D
I was exactly searching for this explanation of convolution... thanks
I want to your help. I have globally huge temperature data measured from in COSMIC satellite. There is no any information of sampling frequency. How can I filter this data by using lowpass filter without sampling frequency? please help me I will give you the data.
Soon will be starting my master's building a flight controller. Thank you for the intro to the basics, it's exactly what I need before delving deeper.
So I want to make a dual band filter that attenuates a signal by 1dB at 250 hz and at 2.5 khz. The Q should be about 0.5
good vid
bro you are doing a great job!
For 30 years I have though that this was a concept I would never intuitively understand. Now I believe I do. Thank you so much. 🙂
Thanks man I watched the 3 blue 1 brown video on convolutions, you know this guy that has incredible intuitive animations, but I could not grasp the intuitive understanting, and you with just a camera and some cheap fireworks totally nailed it! Thanks my bro! You achieved your purpose at least in my case:)
the best everrrrrrrrrrrrrrrrrrr
What model of scope is that behind you?
great
Thanks a lot man, we do this with rainfall causing flow generation (hydrograph theory)
You are a king thank you soooo much
Beautiful explanation :)KD
incredible explanation
This is very well explained. How did I get through electrical engineering in the 1990s without the help of UA-cam??
Is it possible to compensate for the centrifugal force of a MEMS axel/gyro without GPS?
why f(0).s(1)+f(1).s(0)?
Common discretised W
Well done. Thanks.
Pls make more videos
...amazing...in EE school, you are introduced to the theorem and given an example...you go thru the motions without really understanding what you are doing...thanks...