DSP log - Signal Processing
DSP Log. Signal Processing.
Read Dsplog.com news digest here: view the latest DSP Log articles and content updates right away or get to their most visited pages. Dsplog.com belongs to a large group of moderately popular websites, with around 15K visitors from all over the world monthly. It seems that DSP Log content is notably popular in India, as 92.5% of all users (14K visits per month) come from this country. We haven’t detected security issues or inappropriate content on Dsplog.com and thus you can safely use it. Dsplog.com is hosted with Amazon.com, Inc. (United States) and its basic language is English.
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Signal Processing
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Receive diversity with Maximal Ratio Combining (MRC) is discussed. Matlab simulation script for BER BPSK in Rayleigh channel with MRC is provided.
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Symbol Error Rate (SER) for QPSK (4-QAM) modulation - DSP log
Given that we have discussed symbol error rate probability for a 4-PAM modulation, let us know focus on finding the symbol error probability for a QPSK (4-QAM) modulation scheme. Background Consider t...
Dsplog.com news digest
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11 years
Migrated to Amazon EC2 instance (from shared hosting)
Being not too happy with the speed of the shared hosting, decided to move the blog to an Amazon Elastic Compute Cloud (Amazon EC2) instance. Given this is a baby step, picked up a micro instance running an Ubuntu server and installed Apache web server...
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11 years
GATE-2012 ECE Q28 (electromagnetics)
Question 28 on electromagnetics from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper.
Q28. A transmission line with a characteristic impedance of 100 is used to match a 50 section to a 200 section. If the matching is to be done both at 429MHz and 1GHz, the length of the transmission line can be approximately... -
11 years
Image Rejection Ratio (IMRR) with transmit IQ gain/phase imbalance
The post on IQ imbalance in transmitter, briefly discussed the effect of amplitude and phase imbalance and also showed that IQ imbalance results in spectrum at the image frequency. In this article, we will quantify the power of the image with respect...
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11 years
GATE-2012 ECE Q15 (communication)
Question 15 on communication from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper.
Q15. A source alphabet consists of N symbols with the probability of the first two symbols being the same. A source encoder increases the probability of the first symbol by a small amount and decreases that of the second by . After encoding, the entropy...
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