Description:
Digital Signal Processing using computers.
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fixed point FFT problem with non-periodic input
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Hi, I have a fixed point FFT implementation that I wrote from scratch in C. It is based on radix-2 Cooley-Tukey. I have the same implementation in floating point too. - When I have periodic input data both floating and fixed point implementations work properly. - When I have non-periodic input data, let's say x[i] = i; floating point... more »
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world2015.org
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To. worldwide media&people ( please co-operate us ) 1 seed more roots one bud one tree more branches crores leaves many froots .... one seed...( again repeat..this is nonstop..) same... present world population 690 crores. we will go to back 400 crores people 100 cropes peoples 1 crore people 1 lakh people... more »
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world2015.org trust
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To. worldwide media&people ( please co-operate us ) 1 seed more roots one bud one tree more branches crores leaves many froots .... one seed...( again repeat..this is nonstop..) same... present world population 690 crores. we will go to back 400 crores people 100 cropes peoples 1 crore people 1 lakh people... more »
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Calculation of filter coefficients in Sigma studio
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hi.... in my previous posy i found w0 is not clear so resending my queries again. i'm currently working on Analog Devices Dsp processor ADAU 1701.. Sigma studio is the software we are now on,in that i have some queries in the way they calculate filter coefficient. - main specification i needed to design a filter... more »
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Filter coefficient calculation In Sigma studio
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hi.... i'm currently working on Analog Devices Dsp processor ADAU 1701.. Sigma studio is the software we are now on,in that i have some queries in the way they calculate filter coefficient. - main specification i needed to design a filter 1)Type[LPF,HPF, etc] 2)frequency 3)Q 4)Gain eg: I want a 2nd order LPF with... more »
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How to Clean Tear Stains On a Dog
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How to Clean Tear Stains On a Dog Tear staining is a common problem in dogs. Excessive tearing causes moisture in the hair around the eyes, making it an ideal home for bacteria. This bacterium is responsible for the darkening under the eyes. With relevant knowledge, you can remove stains quickly and... more »
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FIR taps for fractional delay
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I have created a fractional delay line with resolution 1/L of the input sample time by interpolating a lowpass FIR prototype by L and extracting subfilters by striding through the interpolated response starting at different points. The various subfilters give different fractional delays. What I don't like about it is that the frequency response varies by... more »
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band pass filter design on composite sinusoidal signals of 1 khz, 2khz and 3 khz
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hi, i have 3 sinusoidal signals of frequency 1Khz, 2khz and 3 khz added up to form a composite signal. i designed one bandpass filter centered using FDATool in matlab. i tried to give pass band range as small as 1950 to 2050 (remember i want to allow only 2khz rejecting all others) to as large as 1.5 Khz to 2.5Khz. The designed filter is an FIR filter... more »
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SPI and I2S on SHARC ADSP-21369
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Hello world, I am putting together my first embedded DSP processor with an FPGA and I am wondering if there are specific pins I should use in the DPI for SPI (i will need two seperate SPI buses, one for FPGA and another for DSP-DSP comm). Also, if there are specific pins to use for I2S on the DAI or if any can be routed in software.... more »
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