blackboard: Fourier told us that any periodic function, can be seen as a different amplitude, different phase sine wave superposition. In the first example, we can understand that by using different strokes of different keys and different points of time, you can combine any piece of music.
One of the methods through time domain and frequency domain is Fourier analysis of crossing. Fourier analysis can be divided into Fourier series (Fourier Serie) and Fourier transform (Fourier transformatio
to explore how to use colors effectively on the site, while also providing a number of color blending techniques that allow you to use colors to harness your web design.
Color Science
We can see that color is formed by interacting with three elements: the light source, the reflective properties of the object, and the way the human retina and the visual cortex of the brain interact with light waves. No matter what media we use to work-painting, printi
amplitude, different phase sine wave superposition. In the first example, we can understand that by using different strokes of different keys and different points of time, you can combine any piece of music.One of the methods through time domain and frequency domain is Fourier analysis of crossing. Fourier analysis can be divided into Fourier series (Fourier Serie) and Fourier transform (Fourier transformation), we start from a simple beginning.Spectrum of the second, Fourier series (Fourier se
, different phase sine wave superposition. In the first example, we can understand that by using different strokes of different keys and different points of time, you can combine any piece of music.One of the methods through time domain and frequency domain is Fourier analysis of crossing. Fourier analysis can be divided into Fourier series (Fourier Serie) and Fourier transform (Fourier transformation), we start from a simple beginning.Spectrum of the second, Fourier series (Fourier series)Or a
was when I was. But look at:The first picture is a depressed sine wave cos (x)The second picture is the superposition of the 2-selling sine wave cos (x) +a.cos (3x)The third picture is a superposition of 4 spring sine wavesThe four images are the superposition of 10 constipation sine wavesAs the number of sine waves increases gradually, they eventually stack up into a standard rectangle, and what do you get from it?(as long as the effort, bent can be
constipation sine wavesAs the number of sine waves increases gradually, they eventually stack up into a standard rectangle, and what do you get from it?(as long as the effort, bent can be broken straight!) )As the stack increases, all the rising parts of the sine wave gradually taper the originally slowly increasing curve, and all the falling parts of the sine wave offset the part that continues to rise at the top to make it a horizontal line. A rect
Actually is the winter vacation review high number when groped out some small thing, has been wanting to tidy up the process, today is here to do some simple discussion.We can often see some image processing programs that simulate the effects of the watermark, and must try to explain how they are implemented. I have read some related discussions or blog posts on the Internet, and I have gained a lot of inspiration from them. Today, in this essay concise introduction of my on the watermark render
, but some people may not have these phenomena at all, but only to strengthen the distinct full-view ability. Now I'm just doing a simple classification that outlines the various phenomena that may occur from coarse to subtle elements, which are common in traditional classics. Shambhala: Why some of the walkers have progressed in some way, but in other respects like a uncivilized bastard. Ken: I have been trying to classify the paradigm of developmental psychology into two differen
thief up small water beads. As shown in figure:3 The movement of the irregular curve-shaped watermark shows the running water. As shown in figure:Each curve of the original picture of the watermark, shape should be changed to avoid mechanical. At the same time, the middle of the painting must find the right position, painting the process of change, can not be fast and slow.4 The movement of arc and curved water flow, the performance of the fast flowing waters, such as waterfalls, eddies and so
Is it safe to connect without USB flash drives? Hackers can use sonic to attack your hard disk and sonic
Is it safe to connect without USB flash drives? Hackers can use acoustic waves to attack your hard disk. Attackers can use acoustic waves to interfere with the normal working mode of HDD to generate a temporary or permanent DoS Status ), this attack can be used to prevent CCTV monitoring systems from rec
When you see the animation on the left (if it does not appear, please wait for a moment), you may not believe that it is actually made on a computer, which is the charm of the special effect "Water Wave.
Before introducing programming, let's review the knowledge about water waves we have learned in the physics class in high school.Water Waves have the following features:
Diffusion: When you drop a rock in
the 2-selling sine wave cos (x) +a.cos (3x)The third picture is a superposition of 4 spring sine wavesThe four images are the superposition of 10 constipation sine wavesAs the number of sine waves increases gradually, they eventually stack up into a standard rectangle, and what do you get from it?(as long as the effort, bent can be broken straight!) )As the stack increases, all the rising parts of the sine wave gradually taper the originally slowly i
explore how to use colors effectively on the site, while also providing a number of color blending techniques that allow you to use colors to harness your web design.
Color Science
We can see that color is formed by interacting with three elements: the light source, the reflective properties of the object, and the way the human retina and the visual cortex of the brain interact with light waves. No matter what media we use to work-painting, printin
domain is Fourier analysis of crossing. Fourier analysis can be divided into Fourier series (Fourier Serie) and Fourier transform (Fourier transformation), we start from a simple beginning.Spectrum of the second, Fourier series (Fourier series)Or a chestnut and a picture of the truth to understand.Would you believe me if I said I could stack a rectangular wave with a 90-degree angle with the sinusoidal wave I said earlier? You won't, just like I was when I was. But look at:The first picture is
sail.
Only creation is the real enjoyment, and only a fight is the enrichment of life.
Those who dare to declare war on the dark must be filled with light.
Lofty Ideals are like flowers that grow in the mountains. If you want to work on it, hard work can be the ropes of the climb.
The seeds keep in mind the love of the raindrops, and enhance the courage to take the initiative.
There is no ups and downs in nature, and the earth will not be spring and autumn.
Those who will only fantasized
Ripple [Water Wave] program implements the special effect algorithm of water wave effects
When you see the animation on the left (if it does not appear, please wait for a moment), you may not believe that it is actually made on a computer, which is the charm of the special effect "Water Wave.
Before introducing programming, let's review the knowledge about water waves we have learned in the physics class in high school.Water
Before introducing programming, let's review the knowledge about water waves we have learned in the physics class in high school.
Water Waves have the following features:Diffusion: When you drop a rock into the water, you will see a circle of water formed by the stone into the water point. Here, you may be misled by this phenomenon, it is wrong to think that each point on the water wave spreads outward at t
.
High-energy front !~~~~~~~~~~~ Remove non-combat personnel ~~~~~~~)
To (~~~~~~~~~~~~~~~ Forward high-energy warning ~~~~~~~~~~~~~~ High energy in front ~~~~~~~~)
In your eyes, the fallen leaves seem to change the impermanence of The World. Actually, it is just a piece of music that has already been written in the hearts of God.
(Everyone: chicken soup, Get out of zhihu !)
Sorry, this is not a chicken Article, but a definite formula on the blackboard: Fourier tells us that any periodic function
. For example, let's look at an extreme example:
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->
After several years of hard work, debroyi finally
1924
He completed his doctoral thesis quantum theory research. In this paper, he explains in detail the electronic wave theory he created. This includes, according to Albert Einstein's studies on light waves, and the deduction of the wave-particle b
Note:The algorithm in this article is part of the materials from gameres, the original author imagic. I just thought of this special effect when I was learning Android, and then implemented it on Android. I added the effects of raindrops and ripple effects on the basis of the source algorithm. This program runs slowly on both the simulator and the real machine and needs to be further optimized or implemented using JNI.
Effect:
Basic knowledge:Before explaining the code, let's review what we lea
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