scholarly journals Design and Accomplishment of Fir Filters for High Accuracy Reconfigurable Applications

2019 ◽  
Vol 8 (11S) ◽  
pp. 96-99
Keyword(s):  
Finite Impulse Response ◽  
Low Complexity ◽  
High Accuracy ◽  
Fir Filter ◽  
Fir Filters ◽  
Finite Impulse Response Filters ◽  
Filter Arrangement ◽  
Impulse Response Filters ◽  
Filter Area ◽  
Selection Of

The top function of the job is to establish transpose style Finite Impulse Response filters. That is pipelined along with furthermore constantly aids a variety of regular Entertainments come close to that cause conserving of calculation. Change kind of filter arrangement does say goodbye to straight support the block taking care of process. The MCM is instead much safer in Transpose variety when the normal operand is a couple of with the celebration of routine coefficients that diminish the computational hold-up. The execution of MCM approach is much less complicated out of commission coefficient Transpose design FIR filter however centre in reconfigurable coefficients. In arranged coefficients change FIR filter, area equally as great as hold-up is decreased by making use of MCM strategy. The low-complexity kind utilizing the MCM system is made an application for dealt with coefficients change design FIR filters like multiplier-established design is benefited from for reconfigurable transpose kind FIR filter. Critiques of the end results obtained guidance that efficiency metrics of the recommended execution is considerably harmonies with academic presumptions. Moreover, the recommended FPGA energy lies to include substantially so much less discipline-delay complexity on the other hand with the controlling DA-established implementations of FIR filter. For the actually the very same filter measurement similar to the similar block measurement, the advertised constitution needs thirteen% a lot less ADP as well as also 12.8% a lot less EPS than that of the present direct-from obstructs FIR structure. Based on these findings, we provide a scheme for the selection of direct-type and also transpose-kind company based on the filter dimensions and also block-length for obtaining subject-extend as well as furthermore power superior block FIR frameworks.

Efficient FIR Filter Architecture using FPGA

2020 ◽  
Vol 13 (1) ◽  
pp. 91-98
Author(s):  
Ahmed K. Jameil ◽  
Yassir A. Ahmed ◽  
Saad Albawi
Keyword(s):  
Low Power ◽  
Communication Systems ◽  
High Performance ◽  
Finite Impulse Response ◽  
Low Complexity ◽  
Fir Filter ◽  
Fir Filters ◽  
Filter Architecture ◽  
Circuit Techniques ◽  
And Performance

Background: Advance communication systems require new techniques for FIR filters with resource efficiency in terms of high performance and low power consumption. Lowcomplexity architectures are required by FIR filters for implementation in field programmable gate Arrays (FPGA). In addition, FIR filters in multistandard wireless communication systems must have low complexity and be reconfigurable. The coefficient multipliers of FIR filters are complicated. Objective: The implementation and application of high tap FIR filters by a partial product reduce this complexity. Thus, this article proposes a novel digital finite impulse response (FIR) filter architecture with FPGA. Method: The proposed technique FIR filter is based on a new architecture method and implemented using the Quartus II design suite manufactured by Altera. Also, the proposed architecture is coded in Verilog HDL and the code developed from the proposed architecture has been simulated using Modelsim. This efficient FIR filter architecture is based on the shift and add method. Efficient circuit techniques are used to further improve power and performance. In addition, the proposed architecture achieves better hardware requirements as multipliers are reduced. A 10-tap FIR filter is implemented on the proposed architecture. Results: The design’s example demonstrates a 25% reduction in resource usage compared to existing reconfigurable architectures with FPGA synthesis. In addition, the speed of the proposed architecture is 37% faster than the best performance of existing methods. Conclusion: The proposed architecture offers low power and improved speed with the lowcomplexity design that gives the best architecture FIR filter for both reconfigurable and fixed applications.

scholarly journals Finite Impulse Response Filters for Stagger-Period Signals, their Designs and Applications

2021 ◽  
Vol 1 (1) ◽  
Author(s):  
Xubao Zhang
Keyword(s):  
Impulse Response ◽  
Linear Prediction ◽  
Finite Impulse Response ◽  
Fir Filters ◽  
Analysis And Design ◽  
Finite Impulse Response Filters ◽  
Improvement Factor ◽  
Impulse Response Filters ◽  
The Fourier Transform ◽  
High Pass

Those theories of conventional filters for uniform-period signals do not apply to the analysis and design of the finite impulse response (FIR) filters for stagger-period signals. In this paper, we defined the fundamental concepts related to the stagger-period signals, derived the calculating equations, and described the time-variant property of the stagger-period filter; we proposed the Fourier transform pair between the frequency and impulse responses of this type filter, and proved the inverse of each other. Then, we discussed the design methods of stagger-period frequency-selective FIR filters, including lowpass, bandpass, and high-pass, presented the staggered windowing philosophies, illustrated different windows’ effectiveness, and described the principles and designs of optimized stagger-period high-pass filters with the match algorithm. As applications, we introduced three staggered optimization algorithms: eigenvalue, match, and linear prediction; and discussed performances of the filters designed for a moving target indication (MTI) radar. The stagger-period MTI filters not only extended the blind speed of flying targets, but also had an optimized improvement factor. Finally, we proposed a mathematical programming to search the best period code, which makes this type filter’s velocity response flattened. Meanwhile, we compared properties of the stagger-period to uniform-period filters, and provided with some examples to illustrate the theories and designs.

scholarly journals Design and Implementation of Hybrid FIR Filters using Vedic Multiplier and Fast Adders

2019 ◽  
Vol 8 (4) ◽  
pp. 11849-11853
Keyword(s):  
High Speed ◽  
High Performance ◽  
Noise Suppression ◽  
Finite Impulse Response ◽  
Digital Signal ◽  
Fir Filter ◽  
Vital Role ◽  
Finite Impulse Response Filters ◽  
Vedic Multiplier ◽  
Impulse Response Filters

FIR (Finite Impulse Response) filters play a significant role in the field of Digital Signal Processing (DSP) to eliminate noise suppression in Electro Cardio Graph (ECG), Imaging devices and the signal stored in analog media. So filter evaluation is accomplished to reduce the noise level. The Filter passes only the desired frequency to pass thereby reducing distortion in the processed signal during measurement. The FIR filter comprises of basic units like adders, multipliers and the delay element for its operations.FIR and IIR are the two types of digital filters chosen based on the range of inputs, complexity and size requirement. Multipliers and adders play a vital role in deterring the performance of FIR filter. In this work, we design and analyze different multiplier and adder for high-performance Fir filter implementation. The Vedic Mathematics is the methods containing 16 Sutras to aid fast mental calculations. In this work, we propose modified Anurupye Vedic multiplier methods with Kogge Stone fast adder for implementation in the direct form FIR filter. This approach provides 1.5% decrease in delay and 10.2% reduced in power, hence increasing speed marginally than previous methods. Along with low power consumption in Very High-Speed Hardware Description Language (VHDL), all the adders and the multiplier topologies are Synthesized using (Xilinx Spartan – 6 FPGA) Trainer Kit and the proposed 8 – Tap FIR filter is executed using this Board

scholarly journals Finite Impulse Response Filters for Stagger-Period Signals, their Designs and Applications

2021 ◽  
Vol 1 (1) ◽  
Author(s):  
Xubao Zhang
Keyword(s):  
Impulse Response ◽  
Linear Prediction ◽  
Finite Impulse Response ◽  
Fir Filters ◽  
Analysis And Design ◽  
Finite Impulse Response Filters ◽  
Improvement Factor ◽  
Impulse Response Filters ◽  
The Fourier Transform ◽  
High Pass

Those theories of conventional filters for uniform-period signals do not apply to the analysis and design of the finite impulse response (FIR) filters for stagger-period signals. In this paper, we defined the fundamental concepts related to the stagger-period signals, derived the calculating equations, and described the time-variant property of the stagger-period filter; we proposed the Fourier transform pair between the frequency and impulse responses of this type filter, and proved the inverse of each other. Then, we discussed the design methods of stagger-period frequency-selective FIR filters, including lowpass, bandpass, and high-pass, presented the staggered windowing philosophies, illustrated different windows’ effectiveness, and described the principles and designs of optimized stagger-period high-pass filters with the match algorithm. As applications, we introduced three staggered optimization algorithms: eigenvalue, match, and linear prediction; and discussed performances of the filters designed for a moving target indication (MTI) radar. The stagger-period MTI filters not only extended the blind speed of flying targets, but also had an optimized improvement factor. Finally, we proposed a mathematical programming to search the best period code, which makes this type filter’s velocity response flattened. Meanwhile, we compared properties of the stagger-period to uniform-period filters, and provided with some examples to illustrate the theories and designs.

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