The principles of medium PRF (pulse-repetition-frequency) radar and the specific requirements of a radar system place restrictions on the choice of these PRFs. The author documents typical constraints placed on a pulse-Doppler search-mode PRF set. He sets forth an efficient approach for selecting a near-optimum set. Finally, as an example, a PRF set is documented that was selected using the described method.<>
{"title":"PRF set selection for pulse-Doppler radars","authors":"J. Simpson","doi":"10.1109/REG5.1988.15896","DOIUrl":"https://doi.org/10.1109/REG5.1988.15896","url":null,"abstract":"The principles of medium PRF (pulse-repetition-frequency) radar and the specific requirements of a radar system place restrictions on the choice of these PRFs. The author documents typical constraints placed on a pulse-Doppler search-mode PRF set. He sets forth an efficient approach for selecting a near-optimum set. Finally, as an example, a PRF set is documented that was selected using the described method.<<ETX>>","PeriodicalId":126733,"journal":{"name":"IEEE Region 5 Conference, 1988: 'Spanning the Peaks of Electrotechnology'","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115276525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A surface distortion measure for a motion-compensated image-coding algorithm is described. The surface distortion measure (SDM) is a function of both the signal variance and the error variance. This functional relationship circumvents a major problem that is associated with using the ratio of these quantities as a quantizer design parameter. When the surface distortion measure is used as the fidelity criterion for the residual quantizer for the algorithm, superior data compression capabilities with little added distortion are achieved. A comparison of the results using both signal-to-noise ratio (SNR) and the SDM as a fidelity criterion in the coding procedure is presented.<>
{"title":"Distortion weighted motion compensated image coding","authors":"A. R. England, R.A. Jones","doi":"10.1109/REG5.1988.15928","DOIUrl":"https://doi.org/10.1109/REG5.1988.15928","url":null,"abstract":"A surface distortion measure for a motion-compensated image-coding algorithm is described. The surface distortion measure (SDM) is a function of both the signal variance and the error variance. This functional relationship circumvents a major problem that is associated with using the ratio of these quantities as a quantizer design parameter. When the surface distortion measure is used as the fidelity criterion for the residual quantizer for the algorithm, superior data compression capabilities with little added distortion are achieved. A comparison of the results using both signal-to-noise ratio (SNR) and the SDM as a fidelity criterion in the coding procedure is presented.<<ETX>>","PeriodicalId":126733,"journal":{"name":"IEEE Region 5 Conference, 1988: 'Spanning the Peaks of Electrotechnology'","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128324876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A programmable digital filter workstation is discussed that provides classical analysis and design tools for the electrical engineering student. Further, through the data acquisition system, the student can test the design on actual audio signals online. With the provision of this feature within a single workstation, the user receives instant feedback as to the quality of the digital filter design. Some examples of digital filter design and actual time responses are presented to illustrate the features of the workstation.<>
{"title":"Programmable digital filter workstation for electrical engineering students","authors":"M. Hiatt, G.K.F. Lee","doi":"10.1109/REG5.1988.15917","DOIUrl":"https://doi.org/10.1109/REG5.1988.15917","url":null,"abstract":"A programmable digital filter workstation is discussed that provides classical analysis and design tools for the electrical engineering student. Further, through the data acquisition system, the student can test the design on actual audio signals online. With the provision of this feature within a single workstation, the user receives instant feedback as to the quality of the digital filter design. Some examples of digital filter design and actual time responses are presented to illustrate the features of the workstation.<<ETX>>","PeriodicalId":126733,"journal":{"name":"IEEE Region 5 Conference, 1988: 'Spanning the Peaks of Electrotechnology'","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128354797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A database of attendant care requirements in an IL (independent living) environment has been established by the Wichita REC (Rehabilitation Engineering Center). This database is composed of a very small sample population per capability level but is considered to provide a basis for further analysis of the funding level required. An analysis of this database is presented with areas of high need for personal assistance per individual identified. It is expected that the results will provide state and federal agencies, as well as the consumer, the information required to predict the funding needed to provide this personal assistance and also provide a basis for determining the cost-effectiveness of the assistive devices available on the market.<>
{"title":"Application of database technology to assistive device placement","authors":"E.A. Hoyer, D.E. Hoyer, M.A. Hommertzheim","doi":"10.1109/REG5.1988.15923","DOIUrl":"https://doi.org/10.1109/REG5.1988.15923","url":null,"abstract":"A database of attendant care requirements in an IL (independent living) environment has been established by the Wichita REC (Rehabilitation Engineering Center). This database is composed of a very small sample population per capability level but is considered to provide a basis for further analysis of the funding level required. An analysis of this database is presented with areas of high need for personal assistance per individual identified. It is expected that the results will provide state and federal agencies, as well as the consumer, the information required to predict the funding needed to provide this personal assistance and also provide a basis for determining the cost-effectiveness of the assistive devices available on the market.<<ETX>>","PeriodicalId":126733,"journal":{"name":"IEEE Region 5 Conference, 1988: 'Spanning the Peaks of Electrotechnology'","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116669503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A general-purpose input/output (I/O) interface card, which includes an IEEE-488 bus, a parallel printer, and RS-232-C interfacing circuits, was designed and constructed. This interface card was designed to expand the present I/O communication capability of the main single-board computer CRL-32A. The design of the IEEE-488 bus interface was emphasized. The I/O support routines for the three types of interfacing were written both in assembly language and Forth. A Hazeltine terminal was used to help develop the routines for RS-232-C communication. A Centronics 737-1 printer was used to help develop the I/O routines for parallel printer communication. The HP-7470A graphics plotter and the HP-3438A digital multimeter were used to develop the routines for the IEEE-488 interface.<>
{"title":"An IEEE-488 interface for the CRL-32A microcomputer","authors":"S. Chen, K. Hambacker, D. F. Dawson","doi":"10.1109/REG5.1988.15931","DOIUrl":"https://doi.org/10.1109/REG5.1988.15931","url":null,"abstract":"A general-purpose input/output (I/O) interface card, which includes an IEEE-488 bus, a parallel printer, and RS-232-C interfacing circuits, was designed and constructed. This interface card was designed to expand the present I/O communication capability of the main single-board computer CRL-32A. The design of the IEEE-488 bus interface was emphasized. The I/O support routines for the three types of interfacing were written both in assembly language and Forth. A Hazeltine terminal was used to help develop the routines for RS-232-C communication. A Centronics 737-1 printer was used to help develop the I/O routines for parallel printer communication. The HP-7470A graphics plotter and the HP-3438A digital multimeter were used to develop the routines for the IEEE-488 interface.<<ETX>>","PeriodicalId":126733,"journal":{"name":"IEEE Region 5 Conference, 1988: 'Spanning the Peaks of Electrotechnology'","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116968451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A high-speed parallel computer board has been designed for use as a module in a color image compression and transmission system. The computer board's architecture provides high computational power, improved input/output (I/O) of image data, and flexibility for a variety of image processing applications. While the initial application of the board is as a testbed for image compression algorithms, other applications include image enhancement, fusion of data from different sources, and stereoscopic image processing.<>
{"title":"A high-speed parallel computer board for color image processing, compression and transmission","authors":"T.D. Briscoe, R. W. Harris, P. Wheeler","doi":"10.1109/REG5.1988.15908","DOIUrl":"https://doi.org/10.1109/REG5.1988.15908","url":null,"abstract":"A high-speed parallel computer board has been designed for use as a module in a color image compression and transmission system. The computer board's architecture provides high computational power, improved input/output (I/O) of image data, and flexibility for a variety of image processing applications. While the initial application of the board is as a testbed for image compression algorithms, other applications include image enhancement, fusion of data from different sources, and stereoscopic image processing.<<ETX>>","PeriodicalId":126733,"journal":{"name":"IEEE Region 5 Conference, 1988: 'Spanning the Peaks of Electrotechnology'","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124171828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Three conflicting needs are identified in real-time scientific and military applications: high precision, to minimize rounding errors; wide dynamic range, to avoid overflow; and speed, to accommodate wideband signals. These three requirements are mutually exclusive in the sense that higher accuracy and wider range usually entail a decrease in throughput. To resolve the conflict, a floating-point signed-binary-number representation (SBNR) is described that exploits all of the characteristics of a redundant number system, while providing the wide dynamic range desired. When coupled with multiple-value logic (MVL), the proposed implementation is considered to offer potential for reducing on-chip interconnect area, and thus for minimizing chip pin-out, without exacerbating the already critical reliability issues.<>
{"title":"An SBNR floating-point convention","authors":"O. Morales","doi":"10.1109/REG5.1988.15889","DOIUrl":"https://doi.org/10.1109/REG5.1988.15889","url":null,"abstract":"Three conflicting needs are identified in real-time scientific and military applications: high precision, to minimize rounding errors; wide dynamic range, to avoid overflow; and speed, to accommodate wideband signals. These three requirements are mutually exclusive in the sense that higher accuracy and wider range usually entail a decrease in throughput. To resolve the conflict, a floating-point signed-binary-number representation (SBNR) is described that exploits all of the characteristics of a redundant number system, while providing the wide dynamic range desired. When coupled with multiple-value logic (MVL), the proposed implementation is considered to offer potential for reducing on-chip interconnect area, and thus for minimizing chip pin-out, without exacerbating the already critical reliability issues.<<ETX>>","PeriodicalId":126733,"journal":{"name":"IEEE Region 5 Conference, 1988: 'Spanning the Peaks of Electrotechnology'","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124864071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A matrix signal processor (MSP) is being developed to provide fast and efficient solutions for several different groups of problems. The design balances the speed of a dedicated pipeline with the generality of a reconfigurable architecture. Throughput, flexibility, and efficiency are maximized by incorporating a programmable pipeline. Additional features are incorporated to increase further the throughput. Dual cache memory banks reduce processor idle time to almost zero while performing back-to-back matrix or signal processing algorithms. A third cache memory bank stores both constant coefficients for such algorithms as the FFT (fast Fourier transform) and temporary coefficients for such algorithms as time-invariant filtering.<>
{"title":"Programmable architecture for matrix and signal processing","authors":"B. Hamilton","doi":"10.1109/REG5.1988.15912","DOIUrl":"https://doi.org/10.1109/REG5.1988.15912","url":null,"abstract":"A matrix signal processor (MSP) is being developed to provide fast and efficient solutions for several different groups of problems. The design balances the speed of a dedicated pipeline with the generality of a reconfigurable architecture. Throughput, flexibility, and efficiency are maximized by incorporating a programmable pipeline. Additional features are incorporated to increase further the throughput. Dual cache memory banks reduce processor idle time to almost zero while performing back-to-back matrix or signal processing algorithms. A third cache memory bank stores both constant coefficients for such algorithms as the FFT (fast Fourier transform) and temporary coefficients for such algorithms as time-invariant filtering.<<ETX>>","PeriodicalId":126733,"journal":{"name":"IEEE Region 5 Conference, 1988: 'Spanning the Peaks of Electrotechnology'","volume":"8 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129763762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Electronic and computer systems are utilized to handle cost-effectively and efficiently customer requests for service or information. The use of electronic systems continues as a courier is dispatched to pick-up the package, and, as the package changes hands, tracking information is gathered by scanning the bar code on the air bill. The author discusses the tracking and other systems which Federal Express uses to rapidly respond to a customer's request for information about his package and for delivery of the package itself. It is shown that the systems available to the administrator are currently being upgraded to provide easier access to the many sources of information. Also being designed into the new systems are job aids to help identify alternative solutions to the current problem and to identify likely impact of a solution on the future status of the system. This system will be heavily dependent on artificial intelligence techniques, most specifically, expert system technology.<>
{"title":"Automation at Federal Express","authors":"H.J. Derbort","doi":"10.1109/REG5.1988.15933","DOIUrl":"https://doi.org/10.1109/REG5.1988.15933","url":null,"abstract":"Electronic and computer systems are utilized to handle cost-effectively and efficiently customer requests for service or information. The use of electronic systems continues as a courier is dispatched to pick-up the package, and, as the package changes hands, tracking information is gathered by scanning the bar code on the air bill. The author discusses the tracking and other systems which Federal Express uses to rapidly respond to a customer's request for information about his package and for delivery of the package itself. It is shown that the systems available to the administrator are currently being upgraded to provide easier access to the many sources of information. Also being designed into the new systems are job aids to help identify alternative solutions to the current problem and to identify likely impact of a solution on the future status of the system. This system will be heavily dependent on artificial intelligence techniques, most specifically, expert system technology.<<ETX>>","PeriodicalId":126733,"journal":{"name":"IEEE Region 5 Conference, 1988: 'Spanning the Peaks of Electrotechnology'","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126572820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A magnetooptic device (SIGHT-MOD) capable of producing thousands of frames per second at 128*128 binary pixels per frame is discussed. This new modulator capability allows the consideration of extremely high filter frame rates necessary to construct a binary-phase-only filter (BPOF) for various target objects at a variety of aspect angles. The authors present an overview of research in progress concerning an effort to develop a Vander Lugt optical correlator, the computer system to generate BPOF filter, and an image processing system to enhance, detect, and recognize predetermined target signatures.<>
{"title":"High speed target recognition using a three plane optical correlator","authors":"R. Hill, D. Fronek, R. Lane","doi":"10.1109/REG5.1988.15915","DOIUrl":"https://doi.org/10.1109/REG5.1988.15915","url":null,"abstract":"A magnetooptic device (SIGHT-MOD) capable of producing thousands of frames per second at 128*128 binary pixels per frame is discussed. This new modulator capability allows the consideration of extremely high filter frame rates necessary to construct a binary-phase-only filter (BPOF) for various target objects at a variety of aspect angles. The authors present an overview of research in progress concerning an effort to develop a Vander Lugt optical correlator, the computer system to generate BPOF filter, and an image processing system to enhance, detect, and recognize predetermined target signatures.<<ETX>>","PeriodicalId":126733,"journal":{"name":"IEEE Region 5 Conference, 1988: 'Spanning the Peaks of Electrotechnology'","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132677700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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