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Decimation example

Download Decimation example

Download Decimation example



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Date added: 15.02.2015
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The FIR Decimation block resamples the discrete-time input at a rate K times the input sample rate, where the integer K is specified by the Decimation factorThis example shows how to decrease the sampling rate of a signal using FIR The DSP System Toolbox supports different structures to perform decimation

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example decimation

Figure 2 Decimate by two example. In Figure 2 the simple case of decimation by two is shown. The original sample rate is fs and the new sample rate is fs/2. Variable rate decimation FIR filter design in DSP Builder Advanced Blockset. In digital signal processing, decimation is the process of reducing the sampling rate Downsample the filtered signal by M; that is, keep only every Mth sample.?In general -?By an integer factor -?By a rational factor -?By an irrational factorDecimation | dspGuru.comwww.dspguru.com › › Digital Signal Processing FAQs › Multirate FAQCachedSimilarLoosely speaking, "decimation" is the process of reducing the sampling rate. For example, to decimate by a factor of 15, you could decimate by 5, then

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“digital frequency” domain. • They interfere when input frequencies reach ?/2. (downsampled frequencies reach ?). 2? ?. Decimation Example 1—. Frequency the concept of decimation, whereby a new sequence is generated from the original sequence by selecting every Nth sample. This in effect results in a. Problem: Frequencies above ?/D will alias. • Example when D = 2 aliased signal aliased signal ? ?. ?? ??/2 ?/2. • Solution: Remove frequencies above ?/D. example. y = decimate(x,r) reduces the sampling rate of x, the input signal, by a factor of r. The decimated vector, y, is shortened by a factor of r so that length(y)


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