All Pole Transfer Functions

Started by Safwan 10 months ago10 replieslatest reply 9 months ago236 views
Hello All,  I think I developed a method for obtaining IIR  low-pass filters. It relies on all-pole z-domain transfer functions. The design is directly made...

Matlab support for "Frequency-Response Masking" filter design technique

Started by cangiane 10 months ago5 replieslatest reply 10 months ago172 views
Hi all,Does anyone know whether Matlab includes support for the "Frequency-Response Masking" (FRM) filter design technique first described in:Y. C. Lim, “Frequency-response...

AKM DSP Development?

Started by Ekene 11 months ago9 replieslatest reply 10 months ago282 views
Asahi Kasei Micro makes dsp ICs such as the AK7755EN. On the website https://www.akm.com/eu/en/products/audio-voice-dsp/lineup-audio-voice-processor/ak7755en/ there...

2-FSK eye diagram - optimal sampling sharp transitions

Started by six20star 11 months ago4 replieslatest reply 10 months ago184 views
Hi folks,I have ta analyse a signal transmitted in a burst mode in UHF and I have no apriori about it.The signal seams to be transmitted using a basic 2-FSK modulation.I...

How to avoid harmonic distortions in a DAC?

Started by weetabixharry 11 months ago4 replieslatest reply 10 months ago198 views
I have a DAC which is assumed to be nonlinear, such that it produces unwanted harmonic distortions at integer multiples of the input frequencies. Any other nonlinear...

C code simulation of DSP fixed-point operations with overflow and saturation

Started by jbrower 11 months ago9 replieslatest reply 10 months ago257 views
All-Does anyone have a link to old Texas Inst C code that simulated what their fixed-point DSPs did with overflow and saturation with arithmetic operations (add,...

Simulating multipath fading channel in Python

Started by roblkc3 11 months ago2 replieslatest reply 11 months ago349 views
Hello!I'm trying to figure out how to simulate a multipath fading channel (I'd like to have both a Rayleigh and a Rician channel, no Doppler to simplify things)...

Design low pass filter and decimation stages, how to?

Started by duemilaventivalvole 11 months ago1 replylatest reply 11 months ago223 views
Hi to all!I usually see 24-bit digitizers giving output sample rate at 50, 100, 200 samples per second, selectable by user.Taking a look to code I can see input...

Quantizing the feedback coefficient in the Goertzel algorithm

Started by gretzteam 11 months ago2 replieslatest reply 11 months ago169 views
The value of the feedback coefficient in the Goertzel algorithm it given by:c = 2*cos( 2*pi*k/N); where k is the bin number and N is the number of points.Here...

Effect of decimation, tuning (mixing) on phase noise

Started by xxn5ac 11 months ago9 replieslatest reply 11 months ago210 views
If I build an analog receiver using a DDS where the DDS is my local oscillator (LO), based on a reference oscillator with phase noise ℒ(n), as I decrease the...

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