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Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 5 years ago12 replieslatest reply 4 months ago1697 views
It's been a few months since the launch of the new forums.  Here are a few thoughts. The thumbsup and beer buttons    If there is one thing that could have a...

Modulation in laser satellite communication

Started by Adilko 5 days ago2 replieslatest reply 2 days ago62 views
In small satellite communication technique we can use optical spectrum (optical (laser) communication system). The common and simplest modulation techniques used...

FYI, Article on optical computation

Started by Cedron 2 days ago1 replylatest reply 2 days ago61 views
Light computes any desired linear transform without a digital processor Kinda cool.

Complex IF

Started by maxplus 1 week ago20 replieslatest reply 1 week ago139 views
HelloI am building up a RF transceiver using integrated up/down converter chip.This particular chip requires a complex Intermediate Frequency as inputs for up conversion...

Frequency offset estimation for the real signal OFDM

Started by Frank_os 2 weeks ago3 replieslatest reply 2 weeks ago76 views
I asked the question about to recover signal from the real part of IFFT OFDM system before,Recover signal from the real part of IFFT.thanks for the responses from...

How to convert SNR to Eb/N0 in Chirp Spread Spectrum communications

Started by AndreaGabe 2 weeks ago2 replieslatest reply 2 weeks ago97 views
I'm simulating a Binary Orthognal Chirp Keying communication system in Matlab, with AWGN channel.Basically I'm sending the bit 0  by transmitting a down-chirp C0[n] ...

Connecting a commercially available DSP to SigmaStudio?

Started by InnovationAudio 1 month ago10 replieslatest reply 4 weeks ago77 views
I'd like to add an upmixer software module to an existing commercially available DSP (Car Audio) with a Sharc chip. I see the Jtag header on the circuit board...

Can you find the illegal step?

Started by Rick Lyons 1 month ago10 replieslatest reply 4 weeks ago159 views
Can you find the illegal step in the following silly proof? Given: a=b$$ a^2=ab$$$$a^2-b^2 = ab-b^2$$$$(a+b)(a-b)=b(a-b)$$$$a+b = b$$$$b+b=b$$$$2b=b$$

Design FIR filters using DRHS-OLL algorithm

Started by jtp_1960 1 month ago1 replylatest reply 1 month ago105 views
Bumped to research paper Efficient FIR Filter Design Methodology Using Dynamic Regional Harmony Search Algorithm With Opposition And Local Learning (DRHS-OLL)...

2D-MUSIC algorithm for range-azimuth mapping in MATLAB

Started by Gerard123 1 month ago1 replylatest reply 1 month ago98 views
I have complications implementing the range-azimuth with the 2D Music algorithm. I have used the URA-azimuth to find the reflected signal by the elevation angles...

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