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IEEE Transactions on Cable Television Pub Date : 1979-01-01 DOI: 10.1109/TCATV.1979.285789
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引用次数: 0
Still Picture Transmission by Pulse-Interval Modulation 利用脉冲间隔调制的静止图像传输
IEEE Transactions on Cable Television Pub Date : 1979-01-01 DOI: 10.1109/TCATV.1979.285797
Akio Okazaki
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引用次数: 12
A New Optical Communication System Using the Pulse Interval and Width Modulated Code 一种采用脉冲间隔和宽度调制码的新型光通信系统
IEEE Transactions on Cable Television Pub Date : 1979-01-01 DOI: 10.1109/TCATV.1979.285800
Mitsutake Sato;Masashi Murata;Toshihiko Namekawa
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引用次数: 22
Perceived Picture Quality in CATV Systems With Impairments 有线电视系统受损时的感知图像质量
IEEE Transactions on Cable Television Pub Date : 1979-01-01 DOI: 10.1109/TCATV.1979.285801
P. L. Mambo;D. C. Coll
{"title":"Perceived Picture Quality in CATV Systems With Impairments","authors":"P. L. Mambo;D. C. Coll","doi":"10.1109/TCATV.1979.285801","DOIUrl":"https://doi.org/10.1109/TCATV.1979.285801","url":null,"abstract":"The results of a study of subjective reactions to a variety of impairments in CATV systems is presented. Methods of simulating and measuring random noise, inter-modulation, cross-modulation, co-channel and adjacent channel interference, and hum modulation are described. The effects of some of these impairments on picture quality, as perceived by a group of subjects are shown. The results provide an indication of the continuous relationship between picture quality and impairment level.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-4 1","pages":"10-16"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1979.285801","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68072234","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}
引用次数: 6
A Look at Optical Fiber CATV 光纤CATV
IEEE Transactions on Cable Television Pub Date : 1979-01-01 DOI: 10.1109/TCATV.1979.285788
Preston B. Ozmar
{"title":"A Look at Optical Fiber CATV","authors":"Preston B. Ozmar","doi":"10.1109/TCATV.1979.285788","DOIUrl":"https://doi.org/10.1109/TCATV.1979.285788","url":null,"abstract":"When will optical fiber CATV replace coaxial CATV? A study of current literature shows that the time is not yet, although optical fibers have been used for supertrunks and other special purposes. The purpose of the author is to examine some of the calculations which can be used on optical CATV systems as well as some of the improvements necessary for widespread use of optical CATV systems.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-4 1","pages":"43-46"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1979.285788","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68072230","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}
引用次数: 5
IEEE Broadcast, Cable and Consumer Electronics Society IEEE广播、电缆和消费电子学会
IEEE Transactions on Cable Television Pub Date : 1979-01-01 DOI: 10.1109/TCATV.1979.285799
{"title":"IEEE Broadcast, Cable and Consumer Electronics Society","authors":"","doi":"10.1109/TCATV.1979.285799","DOIUrl":"https://doi.org/10.1109/TCATV.1979.285799","url":null,"abstract":"Provides a listing of current staff, committee members and society officers.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-4 1","pages":"c2-46c"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1979.285799","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68072228","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}
引用次数: 0
IEEE Transactions on Cable Television - Table of contents IEEE有线电视汇刊-目录
IEEE Transactions on Cable Television Pub Date : 1979-01-01 DOI: 10.1109/TCATV.1979.285798
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引用次数: 0
Laser Diode Evaluation for Optical Analog Link 用于光模拟链路的激光二极管评估
IEEE Transactions on Cable Television Pub Date : 1979-01-01 DOI: 10.1109/TCATV.1979.285787
T. D. Michaelis
{"title":"Laser Diode Evaluation for Optical Analog Link","authors":"T. D. Michaelis","doi":"10.1109/TCATV.1979.285787","DOIUrl":"https://doi.org/10.1109/TCATV.1979.285787","url":null,"abstract":"This paper reports analytical and experimental work in evaluating AlGaAs heterojunction laser diodes and light-emitting diodes (LED) for utilization in analog optical links (in particular TV channels) employing optical fibers. The analytical work focuses on using the static transfer function to predict distortion, based-on curve fitting (Section C) and calculation of distortion components (Section B). The purpose is to avoid laborious frequency measurements. Also of interest is the determination of channel spacing (Section E) to avoid 2nd and 3rd order interference for devices (lasers and LED's) with rather poor linearity.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-4 1","pages":"30-42"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1979.285787","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68072231","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}
引用次数: 13
A Proposal to Simplify the Expression of Power, Noise and Field Strength Levels in CATV, MATV, TV Broadcasting and Related Areas 关于简化CATV、MATV、电视广播及相关领域功率、噪声和场强水平表达式的建议
IEEE Transactions on Cable Television Pub Date : 1979-01-01 DOI: 10.1109/TCATV.1979.285786
Ken Simons
{"title":"A Proposal to Simplify the Expression of Power, Noise and Field Strength Levels in CATV, MATV, TV Broadcasting and Related Areas","authors":"Ken Simons","doi":"10.1109/TCATV.1979.285786","DOIUrl":"https://doi.org/10.1109/TCATV.1979.285786","url":null,"abstract":"The author proposes two power-related reference levels as standards for the dB expression of power and field-strength, and a \"Reference Noise Bandwidth\" to allow standardizing noise level measurements in TV Systems with various standards.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-4 1","pages":"23-29"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1979.285786","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68072235","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}
引用次数: 0
Pulse-Interval Modulation Applicable to Narrowband Transmission 适用于窄带传输的脉冲间隔调制
IEEE Transactions on Cable Television Pub Date : 1978-10-01 DOI: 10.1109/TCATV.1978.285756
Akio Okazaki
{"title":"Pulse-Interval Modulation Applicable to Narrowband Transmission","authors":"Akio Okazaki","doi":"10.1109/TCATV.1978.285756","DOIUrl":"https://doi.org/10.1109/TCATV.1978.285756","url":null,"abstract":"Pulse-interval modulation (PIM) is reviewed considering its application to the voice band transmission of still picture signals in industrial TV systems. Although PIM seems to have scarcely been utilized in practice, some advantages as an analog pulse modulation can be expected in the case of narrowband transmission. As to the signal-to-noise ratio and the analog message bandwidth, comparisions with PPM and FM are made, which proves that PIM is suited for the TV signal transmission. The dominant defect of PIM is the matter concerning the errors introduced into the pulse spacing by the mutual interferences of bandlimited pulses. Assuming an ideal filter, the effects of bandlimiting are discussed. The differential gain characteristics, and the interference outputs owing to the unwanted lower sidebands of a pulse train are examined, which indicates the effectiveness of lowpass filtering of post-detection signals.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-3 4","pages":"155-164"},"PeriodicalIF":0.0,"publicationDate":"1978-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1978.285756","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68072236","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}
引用次数: 17
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