IIR filter

[¦ī¦ī′är ‚fil·tər]

(electronics)

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Note that, for the special case N = 0, the relations (63)-(70) (the IIR filter) can be used for the state estimation in absence or incompleteness of the statistical information about the initial conditions of (1).

Receding Horizon Unbiased FIR Filters and Their Application to Sea Target Tracking

For speed of processing and response, we have adopted a first-order digital high-pass IIR filter with a cut-off of 0.15 Hz, and the transfer function is as follows:

Novel Signal Noise Reduction Method through Cluster Analysis, Applied to Photoplethysmography

The following processing DSP IP cores were chosen for inclusion into the library: FIR filter, IIR filter, FFT/IFFT modules, and a parameterized and highly scalable DDC core.

Software-Defined Radio FPGA Cores: Building towards a Domain-Specific Language

The output signal of the IIR filter y(n) is computed as

Adaptive Active Noise Suppression Using Multiple Model Switching Strategy

Allpass biquad IIR filter is used to compensate nonlinear phase response that comes from the tropical outdoor channel and the antenna.

The Rainfall Intensity Effects on 1-13 GHz UWB-Based 5G System for Outdoor Applications

On the optimal design of IIR filter with its state-space realization, Indian J.

Design and implementation of a novel echo-canceller for reduction of acoustic noise from environmental system

However, the fact that FIR filters order is considerably higher than that of an equivalent IIR filter, and that FIR filters computational efficiency is considerably poorer, has resulted in searching for new methods, with IIR filters in the sharpening structure [2, 3].

FIR Filter Sharpening by Frequency Masking and Pipelining-Interleaving Technique

In one type of dynamic neurons, the dynamics are applied by introducing an IIR filter into the neuron structure.

Robust fault detection of wind energy conversion systems based on dynamic neural networks

According to the block diagram of Figure 1, the output of the plant is d(i) whereas the output of the IIR filter is y(i).

A comparison of evolutionary computation techniques for IIR model identification

Critical path solver algorithm Filter order IIR filter FIR filter FPGA based GPP based FPGA based GPP based (ns) (ms) (ns) (ms) 2 4.60 13.8 9.06 12.83 4 15.71 15.78 16.31 14.46 6 29.98 19.18 19.23 15.47 8 31.62 21.90 29.71 16.42 10 39.81 26.27 36.53 18.61 12 46.72 31.42 43.28 23.52 Shortest path solver algorithm Filter order IIR filter FIR filter FPGA based GPP based FPGA based GPP based (ns) (ms) (ns) (ms) 2 2.78 3.05 3.05 12.80 4 3.68 13.91 13.91 13.19 6 3.98 15.42 15.42 17.31 8 4.52 25.23 25.23 32.94 10 5.36 42.93 42.93 45.34 12 6.71 55.34 55.34 51.61 TABLE 5: Comparison results of different adder/multiplier combinations for digital filters.

Design of synthesizable, retimed digital filters using FPGA based path solvers with MCM approach: comparison and CAD tool