Robuta

https://www.mathworks.com/help/dsp/ug/create-an-fir-filter-using-integer-coefficients.html
Learn how to create an FIR filter using integer coefficients.
fir filtermatlab simulinkcreateusinginteger
https://www.mathworks.com/help/dsp/ref/dsp.firhalfbanddecimator-system-object.html
The dsp.FIRHalfbandDecimator System object performs an efficient polyphase decimation of the input signal by a factor of two.
dspdecimatesignalusingpolyphase
https://www.mathworks.com/help/dsp/ref/variablebandwidthfirfilter.html
The Variable Bandwidth FIR Filter block filters each channel of the input signal over time using the specified FIR filter specifications.
fir filtervariablebandwidthdesignsimulink
https://www.latticesemi.com/ja-JP/Products/DesignSoftwareAndIP/IntellectualProperty/IPCore/IPCores01/2DFIRFilter
Performs real-time 2D convolution of windowed portions of incoming video frames with coefficient matrices held in internal memory
fir filter