Academic literature on the topic 'FIR filters'

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Journal articles on the topic "FIR filters"

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Rohini, R., N. V. Satya Narayana, and Durgesh Nandan. "A Crystal View on the Design of FIR Filter." Journal of Computational and Theoretical Nanoscience 17, no. 9 (July 1, 2020): 4235–38. http://dx.doi.org/10.1166/jctn.2020.9052.

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In audio and video signal processing main element is the FIR filter. This paper presents complete information regarding the FIR filters. It also focuses on the design of FIR filters which provide low-area, energy-delay, low-power consumption, high-speed, low critical path, and low complexity. Implementation of FIR filters with different methods like memory-based VLSI architecture, filters for sampling rate conversion, linear phase FIR filters, optimal hybrid form FIR filters, Nyquist filters, hybrid multiplier less FIR filters, low complexity FIR filters, variable partition hybrid form FIR filters, area efficiency FIR filters are discussed in this paper. The objective of this paper to provide all related information regarding FIR filters at one platform.
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Jurisic Bellotti, Maja, and Mladen Vucic. "Sparse FIR Filter Design Based on Signomial Programming." Elektronika ir Elektrotechnika 26, no. 1 (February 16, 2020): 40–45. http://dx.doi.org/10.5755/j01.eie.26.1.23560.

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The goal of sparse FIR filter design is to minimize the number of nonzero filter coefficients, while keeping its frequency response within specified boundaries. Such a design can be formally expressed via minimization of l0-norm of filter’s impulse response. Unfortunately, the corresponding minimization problem has combinatorial complexity. Therefore, many design methods are developed, which solve the problem approximately, or which solve the approximate problem exactly. In this paper, we propose an approach, which is based on the approximation of the l0-norm by an lp-norm with 0 < p < 1. We minimize the lp-norm using recently developed method for signomial programming (SGP). Our design starts with forming a SGP problem that describes filter specifications. The optimum solution of the problem is then found by using iterative procedure, which solves a geometric program in each iteration. The filters whose magnitude responses are constrained in minimax sense are considered. The design examples are provided illustrating that the proposed method, in most cases, results in filters with higher sparsity than those of the filters obtained by recently published methods.
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Jameil, Ahmed K., Yassir A. Ahmed, and Saad Albawi. "Efficient FIR Filter Architecture using FPGA." Recent Advances in Computer Science and Communications 13, no. 1 (March 13, 2020): 91–98. http://dx.doi.org/10.2174/2213275912666190603115506.

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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.
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Parameshappa, G., and D. Jayadevapp. "Efficient uniform digital filter bank with linear phase and FRM technique for hearing aids." International Journal of Engineering & Technology 7, no. 1.9 (March 1, 2018): 69. http://dx.doi.org/10.14419/ijet.v7i1.9.9738.

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This paper attempts to present an uniform digital filter bank based on linear phase FIR and IIR filters applied for Frequency Response Masking (FRM) technique in hearing aid applications.In the proposed filter bank, nine uniformly spaced sub-bands are formed with the help of half band filters and masking filters. These nine channel FIR filter bank is realized using an interpolated half band linear phase FIR filter and an appropriate number of masking FIR filters. The nine channel IIR filter bank is realized using an interpolated half band approximately linear phase IIR filter and an appropriate number of masking filters. The proposed approximately linear phase IIR half band filter bank is compared with filter bank based on linear phase FIR half band filters in terms of area, power, memory and number of gates needed for implementation. The experiment was carried on various hearing loss cases and the results obtained from these tests proves that, the proposed filter bank achieved the required matching between audiograms and magnitude response of the filter bank at very reasonable range with less computational complexity.
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Stamenkovic, Negovan. "Digital FIR filter architecture based on the residue number system." Facta universitatis - series: Electronics and Energetics 22, no. 1 (2009): 125–40. http://dx.doi.org/10.2298/fuee0901125s.

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In this paper, architecture of residue number system used in FIR filters, is presented. For many years residue number coding has been recognized as a system which provides capability for implementation of a high speed addition and multiplication. These advantages of residue number system coding for the high speed FIR filters design results from the fact that an digital FIR filter requires only addition and multiplication. The proposed FIR filter architecture is performed as series of modulo multiplication and accumulation across each modulo. A numerical example illustrates the principles of FIR filtering of an 32 order low pass filter. This architecture is compared with FIR filters direct synthesis. .
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GUSTAFSSON, OSCAR, HÅKAN JOHANSSON, and LARS WANHAMMAR. "SINGLE FILTER FREQUENCY-RESPONSE MASKING FIR FILTERS." Journal of Circuits, Systems and Computers 12, no. 05 (October 2003): 601–30. http://dx.doi.org/10.1142/s0218126603001094.

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In this work filter structures that decrease the required number of multipliers and adders for implementation of linear-phase FIR filters using frequency-response masking techniques are introduced. The basic idea of the proposed structures is that identical subfilters are used. This leads to the same arithmetic structure can be multiplexed in the implementation, reducing the number of required multipliers and adders. The subfilters are mapped using the folding transformation to obtain an area-efficient time-multiplexed (or pipeline/interleaved) implementation. Both narrow-band and wide-band frequency-response masking as well as arbitrary bandwidth frequency-response masking techniques are considered. The filter design is discussed and for each filter structure the limits on the specifications are derived. Designed examples show the usefulness of the proposed structures.
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Singh, Gurpadam, and Neelam R. Prakash. "FPGA Implementation of Higher Order FIR Filter." International Journal of Electrical and Computer Engineering (IJECE) 7, no. 4 (August 1, 2017): 1874. http://dx.doi.org/10.11591/ijece.v7i4.pp1874-1881.

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The digital Finite-Impulse-Response (FIR) filters are mainly employed in digital signal processing applications. The main components of digital FIR filters designed on FPGAs are the register bank to save the samples of signals, adder to implement sum operations and multiplier for multiplication of filter coefficients to signal samples. Although, design and implementation of digital FIR filters seem simple but the design bottleneck is multiplier block for speed, power consumption and FPGA chip area occupation. The multipliers are an integral part in FIR structures and these use a large part of the chip area. This limits the number of processing elements (PE) available on the chip to realize a higher order of filter. A model is developed in the Matlab/Simulink environment to investigate the performance of the desired higher order FIR filter. An equivalent FIR filter representation is designed by the Xilinx FIR Compiler by using the exported FIR filter coefficients. The Xilinx implementation flow is completed with the help of Xilinx ISE 14.5. It is observed how the use of higher order FIR filter impacts the resource utilization of the FPGA and it’s the maximum operating frequency.
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Jiang, Lei, Haijian Zhang, Shuai Cheng, Hengwei Lv, and Pandong Li. "An Overview of FIR Filter Design in Future Multicarrier Communication Systems." Electronics 9, no. 4 (March 31, 2020): 599. http://dx.doi.org/10.3390/electronics9040599.

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Future wireless communication systems are facing with many challenges due to their complexity and diversification. Orthogonal frequency division multiplexing (OFDM) in 4G cannot meet the requirements in future scenarios, thus alternative multicarrier modulation (MCM) candidates for future physical layer have been extensively studied in the academic field, for example, filter bank multicarrier (FBMC), generalized frequency division multiplexing (GFDM), universal filtered multicarrier (UFMC), filtered OFDM (F-OFDM), and so forth, wherein the prototype filter design is an essential component based on which the synthesis and analysis filters are derived. This paper presents a comprehensive survey on the recent advances of finite impulse response (FIR) filter design methods in MCM based communication systems. Firstly, the fundamental aspects are examined, including the introduction of existing waveform candidates and the principle of FIR filter design. Then the methods of FIR filter design are summarized in details and we focus on the following three categories—frequency sampling methods, windowing based methods and optimization based methods. Finally, the performances of various FIR design methods are evaluated and quantified by power spectral density (PSD) and bit error rate (BER), and different MCM schemes as well as their potential prototype filters are discussed.
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Shaik, Samdhani, and P. Balanagu. "Functional Verification Architecture Implementation for Power Optimized FIR Filter." International Journal of Engineering & Technology 7, no. 2.20 (April 18, 2018): 287. http://dx.doi.org/10.14419/ijet.v7i2.20.14780.

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Digital-filters are having universal for audio applications. So that, great digital-filter execution ought to be taken as an imperative for outline of audio system Applications. The utilization of accuracy with limited in Digital filters for speaking to signals which likewise contrast from that of simple filters as computerized filters utilizing a limited exactness number juggling for registering the filter reaction. Here, FIR-filter has been actualized in Xilinx ISE utilizing VERILOG dialect. VERILOG coding for FIR-filter has been actualized here too waveforms are additionally seen in the reproduction.Viper comprises of less weight as contrasted and multipliers as far as silicon territory and this plays a profitable in FIR structure. This paper has picked multipliers as stall and Wallace and the taken the adders as convey spare and convey skip. In this paper it needs to build up a RTL in the purpose of structures and check the usefulness of structures contrasted and playing out the union utilizing Xilinx synthesizer. The outcomes were thought about regarding region (LUT'S), power, deferral and memory for different fir structures.
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Mewada, Hiren K., and Jitendra Chaudhari. "Low computation digital down converter using polyphase IIR filter." Circuit World 45, no. 3 (August 5, 2019): 169–78. http://dx.doi.org/10.1108/cw-02-2019-0015.

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Purpose The digital down converter (DDC) is a principal component in modern communication systems. The DDC process traditionally entails quadrature down conversion, bandwidth reducing filters and commensurate sample rate reduction. To avoid group delay, distortion linear phase FIR filters are used in the DDC. The filter performance specifications related to deep stopband attenuation, small in-band ripple and narrow transition bandwidth lead to filters with a large number of coefficients. To reduce the computational workload of the filtering process, filtering is often performed as a two-stage process, the first stage being a down sampling Hoegenauer (or cascade-integrated comb) filter and a reduced sample rate FIR filter. An alternative option is an M-Path polyphase partition of a band cantered FIR filter. Even though IIR filters offer reduced workload to implement a specific filtering task, the authors avoid using them because of their poor group delay characteristics. This paper aims to propose the design of M-path, approximately linear phase IIR filters as an alternative option to the M-path FIR filter. Design/methodology/approach Two filter designs are presented in the paper. The first approach uses linear phase IIR low pass structure to reduce the filter’s coefficient. Whereas the second approach uses multipath polyphase structure to design approximately linear phase IIR filter in DDC. Findings The authors have compared the performance and workload of the proposed polyphase structured IIR filters with state-of-the-art filter design used in DDC. The proposed design is seen to satisfy tight design specification with a significant reduction in arithmetic operations and required power consumption. Originality/value The proposed design is an alternate solution to the M-path polyphase FIR filter offering very less number of coefficients in the filter design. Proposed DDC using polyphase structured IIR filter satisfies the requirement of linear phase with the least number of computation cost in comparison with other DDC structure.
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Dissertations / Theses on the topic "FIR filters"

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Cadena, Pico Jorge Eduardo. "Perfect Reconstruction Filter Bank Structure Based On Interpolated FIR Filters." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/71756.

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State of the art filter bank structures achieve practically perfect reconstruction with very high computational efficiency. However, the increase in computational requirements due to the need to process increasingly wider band signals is paramount. New filter bank structures that provide extra information about a signal while achieving the same level of required efficiency, and perfect reconstruction properties, need to be developed. In this work a new filter bank structure, the interpolated FIR (IFIR) filter bank is developed. Such a structure combines the concepts of filter banks, and interpolated FIR filters. The filter design procedures for the IFIR filter bank are developed and explained. The resulting structure was compared with the non-maximally-decimated filter bank (NMDFB), achieving the same performance in terms of the number of multiplications required per sample and the overall distortion introduced by the system, when operating with Nyquist prototype filters. In addition, the IFIR filter is tested in both simulated and real communication environments. Performance, in terms of bit-error-rate, was found to not be degraded significantly when using the IFIR filter bank system for transmission and reception of QPSK symbols.
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Kasturi, Nitin. "Power reducing algorithms in FIR filters." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/42710.

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Rosler, Lucas Owen. "Design and Analysis of an FPGA Based Low Tap Band-stop FIR Filter." Youngstown State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1619798270047225.

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Shahein, Ahmed [Verfasser], and Yiannos [Akademischer Betreuer] Manoli. "Power optimization methodologies for digital FIR decimation filters = Leistungsoptimierungsmethoden für digitale FIR Dezimationsfiltern." Freiburg : Universität, 2014. http://d-nb.info/1123480664/34.

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Peng, Su. "Design and analysis of FIR filters based on Matlab." Thesis, Linnéuniversitetet, Institutionen för fysik och elektroteknik (IFE), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-26759.

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In digital control system, interference, which is mixed in the input signal, has a great influence on the performance of the system. Therefore, processing of input signal has to be done to get useful signal. Finite impulse response (FIR) filter plays an important role in the processing of digital signal. Designing the FIR filter by Matlab can simplify the complicated computation in simulation and improve the performance. By using the methods of window function, frequency sampling and convex optimization techniques, the design of FIR filter has been processed by Matlab. In the view of the designed program of Matlab and I can get the amplitude-frequency characterization. By using the FIR digital filters which have been designed to process the input signal based on the Matlab function, the filtering effect of different digital filters is analyzed by comparing the signal’s amplitude-frequency diagrams which have been generated. The experimental results show that the FIR filters designed in this paper are effective.
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Chit, Nassim N. "Weighted Chebyshev complex-valued approximation for FIR digital filters." Thesis, Swansea University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278340.

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Landy, A. "The design and implementation of multiplierless fir image filters." Thesis, University of Cambridge, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383241.

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Karam, Lina J. "Design of complex digital FIR filters in the chebyshev sense." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/22219.

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Zhang, Yuhong. "Design and realization of FIR and bireciprocal wave digital filters." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0024/MQ51826.pdf.

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Piskin, Hatice. "Design And Implementation Of Fir Digital Filters With Variable Frequency Characteristics." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606853/index.pdf.

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Variable digital filters (VDF) find many application areas in communication, audio, speech and image processing. This thesis analyzes design and implementation of FIR digital filters with variable frequency characteristics and introduces two design methods. The design and implementation of the proposed methods are realized on Matlab software program. Various filter design examples and comparisons are also outlilned. One of the major application areas of VDFs is software defined radio (SDR). The interpolation problem on sample rate converter (SRC) unit of the SDR is solved by using these filters. Realizations of VDFs on SRC are outlined and described. Simulations on Simulink and a specific hardware are examined.
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Books on the topic "FIR filters"

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An engineer's guide to FIR digital filters. Englewood Cliffs, N.J: Prentice-Hall, 1988.

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Phang, Khoman S. Adaptive microphone arrays using FIR and IIR filters. Ottawa: National Library of Canada = Bibliothèque nationale du Canada, 1993.

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Fontes, Natanael Ruiz. An analysis of the IIR an FIR Wiener filters with applications to underwater acoustics. Monterey, Calif: Naval Postgraduate School, 1997.

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Shmaliy, Yuriy S. GPS-based optimal FIR filtering of clock models. New York: Nova Science Publishers, 2009.

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Shmaliy, Yuriy S. GPS-based optimal FIR filtering of clock models. Hauppauge, NY, USA: Nova Science Publishers, 2009.

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Cemes, Radovan. Optimisation of multiplier-less FIR filter design techniques. Poole: Bournemouth University, 1996.

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Lacy, Cameron. Design of a programmable switched-capacitor analog FIR filter. Ottawa: National Library of Canada, 1999.

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Sobel, David L. Internet filters and public libraries. Nashville, TN: First Amendment Center, 2003.

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Soltani, Faouzi. FIR filter design by nonuniform sampling in the time and frequency domain. Birmingham: University of Birmingham, 1989.

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Sherstnev, Nikolay. Maintenance and repair of ship pipelines, valves and filters. ru: INFRA-M Academic Publishing LLC., 2019. http://dx.doi.org/10.12737/1048799.

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The tutorial shows the design features of ship pipelines, valves and filters that affect the conditions of their operation and methods of maintenance and repair. Recommendations for external inspection and control of their elements are given. The features of disassembly and Assembly of various types of valves and filters are shown. With examples from ship practice typical defects of the specified elements, ways of their definition and elimination are considered. It is intended for students of higher educational institutions (specialization in the specialty "Operation of ship power plants") and University teachers. It can also be used in the system of secondary vocational education in the specialty "Operation of ship power plants".
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Book chapters on the topic "FIR filters"

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Bennett, Christopher L. "FIR filters." In Digital Audio Theory, 109–24. Abingdon, Oxon; New York, NY: Routledge, 2021.: Focal Press, 2020. http://dx.doi.org/10.4324/9780429297144-8.

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Schlichthärle, Dietrich. "Design of FIR Filters." In Digital Filters, 329–81. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14325-0_7.

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Schlichthärle, Dietrich. "Design of FIR Filters." In Digital Filters, 177–225. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-04170-3_7.

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Pirkle, Will C. "Audio Filter Designs: FIR Filters." In Designing Audio Effect Plugins in C++, 434–57. Second edition. | New York, NY : Routledge, 2019.: Routledge, 2019. http://dx.doi.org/10.4324/9780429490248-16.

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Thyagarajan, K. S. "FIR Digital Filters." In Introduction to Digital Signal Processing Using MATLAB with Application to Digital Communications, 245–312. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-76029-2_7.

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Zieliński, Tomasz P. "FIR Adaptive Filters." In Starting Digital Signal Processing in Telecommunication Engineering, 317–43. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-49256-4_12.

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Zieliński, Tomasz P. "FIR Digital Filters." In Starting Digital Signal Processing in Telecommunication Engineering, 227–56. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-49256-4_9.

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Wanhammar, Lars, and Tapio Saramäki. "Synthesis of FIR Filters." In Digital Filters Using MATLAB, 163–242. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-24063-9_5.

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Wanhammar, Lars, and Tapio Saramäki. "Realization of FIR Filters." In Digital Filters Using MATLAB, 243–80. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-24063-9_6.

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Dumitrescu, Bogdan. "Design of FIR Filters." In Signals and Communication Technology, 149–77. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-53688-0_5.

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Conference papers on the topic "FIR filters"

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Lian, Jian-ao. "Multidimensional PR Filter Banks with FIR Filters." In 2006 International Conference on Communications, Circuits and Systems. IEEE, 2006. http://dx.doi.org/10.1109/icccas.2006.284610.

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Zahradnik, Pavel, Miroslav Vlcek, Boris Simak, and Michal Kopp. "Two-dimensional notch FIR filters." In 2012 35th International Conference on Telecommunications and Signal Processing (TSP). IEEE, 2012. http://dx.doi.org/10.1109/tsp.2012.6256371.

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Albicocco, Pietro, Gian Carlo Cardarilli, Salvatore Pontarelli, and Marco Re. "Karatsuba implementation of FIR filters." In 2012 46th Asilomar Conference on Signals, Systems and Computers. IEEE, 2012. http://dx.doi.org/10.1109/acssc.2012.6489192.

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Kandula, Bala Sindhuri, K. Padma Vasavi, and I. Santi Prabha. "Reconfigurable FIR Filters: A survey." In 2018 International Conference on Smart Systems and Inventive Technology (ICSSIT). IEEE, 2018. http://dx.doi.org/10.1109/icssit.2018.8748814.

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Park, Richard Y., Jung Min Pak, Choon Ki Ahn, and Myo Taeg Lim. "Image stabilization using FIR filters." In 2015 15th International Conference on Control, Automation and Systems (ICCAS). IEEE, 2015. http://dx.doi.org/10.1109/iccas.2015.7364819.

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Molnar, Goran, Mateja Babic, and Zvonimir Sipus. "Sharpened raised-cosine FIR filters." In 2018 41st International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO). IEEE, 2018. http://dx.doi.org/10.23919/mipro.2018.8400022.

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Lu, Wu-Sheng, and Takao Hinamoto. "Robust Digital Filters Part 1 — Minimax FIR Filters." In 2019 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE, 2019. http://dx.doi.org/10.1109/iscas.2019.8702265.

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Makur, Anamitra. "Tunable FIR digital filters using FIR approximation of spectral transformation." In 2017 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE, 2017. http://dx.doi.org/10.1109/iscas.2017.8050339.

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Yin, L., J. Astola, and Y. Neuvo. "Neural filters: a class of filters unifying FIR and median filters." In [Proceedings] ICASSP-92: 1992 IEEE International Conference on Acoustics, Speech, and Signal Processing. IEEE, 1992. http://dx.doi.org/10.1109/icassp.1992.226413.

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Abdulhamid, H., R. Lee, and E. Abdel-Raheem. "FPGA Implementation of FIR Nyquist Filters." In 2006 ITI 4th International Conference on Information & Communications Technology. IEEE, 2006. http://dx.doi.org/10.1109/itict.2006.358229.

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Reports on the topic "FIR filters"

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Vaidyanathan, P. P., and Ahmet Kirac. Theory and Design of Optimum Fir Compaction Filters,. Fort Belvoir, VA: Defense Technical Information Center, January 1996. http://dx.doi.org/10.21236/ada323658.

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Kirac, Ahmet, and P. P. Vaidyanathan. FIR Compaction Filters: New Design Methods and Properties,. Fort Belvoir, VA: Defense Technical Information Center, April 1997. http://dx.doi.org/10.21236/ada324480.

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Kirac, Ahmet, and P. P. Vaidyanathan. Efficient Design Methods of Optimal FIR Compaction Filters for M-channel FIR Subband Coders,. Fort Belvoir, VA: Defense Technical Information Center, November 1996. http://dx.doi.org/10.21236/ada327786.

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Deibele, C., and /Fermilab. Synthesis of Band Filters and Equalizers Using Microwav FIR Techniques. Office of Scientific and Technical Information (OSTI), January 2000. http://dx.doi.org/10.2172/984591.

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Karns, Tristan, Kirk Reeves, and Murray Moore. Filter Test System for Nuclear Container Filters. Office of Scientific and Technical Information (OSTI), October 2020. http://dx.doi.org/10.2172/1673345.

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Costley, D., Luis De Jesús Díaz,, Sarah McComas, Christopher Simpson, James Johnson, and Mihan McKenna. Multi-objective source scaling experiment. Engineer Research and Development Center (U.S.), June 2021. http://dx.doi.org/10.21079/11681/40824.

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The U.S. Army Engineer Research and Development Center (ERDC) performed an experiment at a site near Vicksburg, MS, during May 2014. Explosive charges were detonated, and the shock and acoustic waves were detected with pressure and infrasound sensors stationed at various distances from the source, i.e., from 3 m to 14.5 km. One objective of the experiment was to investigate the evolution of the shock wave produced by the explosion to the acoustic wavefront detected several kilometers from the detonation site. Another objective was to compare the effectiveness of different wind filter strategies. Toward this end, several sensors were deployed near each other, approximately 8 km from the site of the explosion. These sensors used different types of wind filters, including the different lengths of porous hoses, a bag of rocks, a foam pillow, and no filter. In addition, seismic and acoustic waves produced by the explosions were recorded with seismometers located at various distances from the source. The suitability of these sensors for measuring low-frequency acoustic waves was investigated.
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7

Peterson, Gregory W., Christoper J. Karwacki, and Joseph A. Rossin. Novel Collective Protection Filters for Emerging TIC Requirements: Axial and Radial-Flow Filter Designs. Fort Belvoir, VA: Defense Technical Information Center, May 2007. http://dx.doi.org/10.21236/ada468847.

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8

Riscoll, John R., and Paul H. Smith. Statistical analysis of low flow filter efficiency testing results for nuclear material storage container filters. Office of Scientific and Technical Information (OSTI), June 2011. http://dx.doi.org/10.2172/1074494.

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9

Bos, William F. Evaluation of Ultra Fine Metal Mesh Filter Media in Pleated Configuration for Application to Air Filters for Diesel and Turbine Combat Vehicles. Addendum. Fort Belvoir, VA: Defense Technical Information Center, February 1987. http://dx.doi.org/10.21236/ada178734.

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10

Simpson, T. R., and R. J. Van Vleet. Radiological and toxicological calculations for AY-102 and C-106HEPA filters and pre-filters. Office of Scientific and Technical Information (OSTI), July 1997. http://dx.doi.org/10.2172/325386.

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