Wave Walker DSP

DSP Algorithms for RF Systems

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DSP for Beginners: Simple Explanations for Complex Numbers! The second edition includes a new chapter on complex sinusoids.

The Brand New Wave Walker DSP eBook!

March 21, 2022

The DSP eBook is on Amazon!

Update! The eBook is #1 New Release in Signal Processing on Amazon!

I wrote a DSP eBook! It covers an introduction to complex numbers, why they are important to DSP and simple explanations for the geometry and trigonometry applied to complex numbers.

“Foundations of Digital Signal Processing: Complex Numbers” is a great introductory eBook for understanding the basic mathematics behind complex numbers!

This book answers the following questions and many others:

Why are complex numbers used in DSP?
Why does Euler’s formula use cosine and sine?
Why are Cartesian form and Polar form complex numbers needed?
Why does geometry and trigonometry apply to complex numbers?
Why are radians used for angles?

The book also includes simple derivations for:

Deriving Euler’s formula
Taking the derivative of cosine and sine
Proving the phase relationship between cosine and sine

Check out these other DSP blog posts:

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God, the Lord, is my strength; He makes my feet like the deer's; He makes me tread on my high places. Habakkuk 3:19

For everything there is a season, and a time for every matter under heaven. A time to cast away stones, and a time to gather stones together. A time to embrace, and a time to refrain from embracing. Ecclesiastes 3:1,5

The earth was without form and void, and darkness was over the face of the deep. And the Spirit of God was hovering over the face of the waters. Genesis 1:2

Behold, I am toward God as you are; I too was pinched off from a piece of clay. Job 33:6

Enter His gates with thanksgiving, and His courts with praise! Give thanks to Him; bless His name! Psalm 100:4

Lift up your hands to the holy place and bless the Lord! Psalm 134:2

Blessed is the man who trusts in the Lord, whose trust is the Lord. He is like a tree planted by water, that sends out its roots by the stream, and does not fear when heat comes, for its leaves remain green, and is not anxious in the year of drought, for it does not cease to bear fruit. Jeremiah 17:7-8

He said to him, “You shall love the Lord your God with all your heart and with all your soul and with all your mind. This is the great and first commandment. And a second is like it: You shall love your neighbor as yourself. On these two commandments depend all the Law and the Prophets.” Matthew 22:37-39

Then He said to me, “Prophesy over these bones, and say to them, O dry bones, hear the word of the Lord. Thus says the Lord God to these bones: Behold, I will cause breath to enter you, and you shall live." Ezekiel 37:4-5

Riches do not profit in the day of wrath, but righteousness delivers from death. Proverbs 11:4

The angel of the Lord appeared to him in a flame of fire out of the midst of a bush. He looked, and behold, the bush was burning, yet it was not consumed. And Moses said, “I will turn aside to see this great sight, why the bush is not burned.” When the Lord saw that he turned aside to see, God called to him out of the bush, “Moses, Moses!” And he said, “Here I am.” Exodus 3:2-3

Daniel answered and said: “Blessed be the name of God forever and ever, to whom belong wisdom and might. He changes times and seasons; He removes kings and sets up kings; He gives wisdom to the wise and knowledge to those who have understanding." Daniel 2:20-21

Now the Lord is the Spirit, and where the Spirit of the Lord is, there is freedom. 2 Corinthians 3:17

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Wave Walker DSP

DSP Algorithms for RF Systems

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The DSP eBook is on Amazon!

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