Sharma purnima k (31 risultati)

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Taschenbuch. Condizione: Neu. Analysis and Development of Field Propagation Model | For Wireless Network in Urban Areas | Purnima K. Sharma | Taschenbuch | 244 S. | Englisch | 2019 | LAP LAMBERT Academic Publishing | EAN 9783330053342 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt,… info[at]bod[dot]de | Anbieter: preigu.

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Taschenbuch. Condizione: Neu. Development of Field Propagation Model for Urban Area | Purnima K Sharma (u. a.) | Taschenbuch | 236 S. | Englisch | 2017 | Anchor Academic Publishing | EAN 9783960671268 | Verantwortliche Person für die EU: Dryas Verlag, ein Imprint der Bedey und Thoms Media GmbH, Hermannstal 119k, 22119 Hamburg, k…ontakt[at]dryas[dot]de | Anbieter: preigu.

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Da: moluna, Greven, Germaniamoluna
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Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Sharma DineshDinesh Sharma/ Purnima K Sharma/ Sujana SriA wireless body area network (WBAN) is a wireless network of wearable computing devices. The rapid growth in physiological sensors, low power int…egrated circuits and wirele.

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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Wireless communication is one of the most dynamic and vibrant areas of technology development in the communication field today.It has been found that severe climatic conditions disturb the propagation of electromagnetic signals at…higher frequencies (greater than 30 MHz). The disturbance is mainly due to molecular absorption by oxygen for frequencies ranging between 60 and 118 GHz and due to water vapour in 22, 183 and 325 GHz bands. Rain and fog has the most significant impact, since the size of the rain drops is of the order of the wavelength of the transmitted signal. This results in energy absorption by the rain drops themselves, and as a secondary effect energy is scattered by the drops. The frequency selective absorption characteristics of the atmosphere can be approximated by a transfer function. In most of the practical channels when the signal propagates through the atmosphere the effect of many factors on the signal has to be considered along with the free space propagation channel assumption.The main objective of this study is, therefore, to find out whether, and how, the different climatic conditions are influencing radio wave propagation in GSM frequency bands in general and in Narnaul, Haryana (India) in particular. To carry out this investigation, the records of radio wave propagation along with path loss during different climatic conditions have been analyzed. On the strength of these analyses, a propagation path loss model has been developed by proposing suitable correction factors due to different climatic conditions. The validation of this developed path loss model has been verified by taking reference models and by applying practically in different urban areas. The effect of these climatic conditions on the link budget has also been analyzed. 236 pp. Englisch.

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Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Sharma DineshDr. Dinesh Sharma, Dr. Purnima K Sharma, Mr. M. MohanFor wireless communication systems, the antenna is one of the most critical components. A good design of the antenna can relax system r…equirements and improve over.

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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -It has been investigated and found that extreme climatic conditions disturb propagation of electromagnetic signals at higher frequencies. In most of practical channels when the signal propagates through the atmosphere affect of man…y factors on the signal has to consider along with the free space propagation channel assumption. Because the other factors in the atmosphere causes absorption, refraction and scattering. Signal attenuation through the atmosphere is mainly due to molecular absorption by oxygen due to water vapours. Rain and fog has the most significant impact since the size of the rain drops is on the order of the wavelength of the transmitted signal. It results in energy absorption by the rain drops themselves, and as a secondary effect, energy is scattered by the drops. The frequency selective absorption characteristics of the atmosphere can be approximated by a transfer function. 244 pp. Englisch.

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Da: Majestic Books, Hounslow, Regno UnitoMajestic Books
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Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Sharma Purnima K.Purnima K. Sharma - Degree of Doctor of Philosophy. Faculty of Engineering, Uttarakhand Technical University, Dehradun.It has been investigated and found that extreme climatic conditio…ns disturb propagation of el.

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Da: Biblios, frankfurt am main, HESSE, GermaniaBiblios
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Condizione: New. Print on Demand pp. 236.

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Condizione: New. Print on Demand pp. 236.

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Kartoniert / Broschiert. Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Wireless communication is one of the most dynamic and vibrant areas of technology development in the communication field today.It has been found that severe climatic conditions disturb the pr…opagation of electromagnetic signals at higher frequencies (.

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Da: Biblios, frankfurt am main, HESSE, GermaniaBiblios
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Condizione: New. PRINT ON DEMAND pp. 236.

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Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH
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Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Wireless communication is one of the most dynamic and vibrant areas of technology development in the communication field today.It has been found that severe climatic conditions disturb the propagation of electromagnetic signals at highe…r frequencies (greater than 30 MHz). The disturbance is mainly due to molecular absorption by oxygen for frequencies ranging between 60 and 118 GHz and due to water vapour in 22, 183 and 325 GHz bands. Rain and fog has the most significant impact, since the size of the rain drops is of the order of the wavelength of the transmitted signal. This results in energy absorption by the rain drops themselves, and as a secondary effect energy is scattered by the drops. The frequency selective absorption characteristics of the atmosphere can be approximated by a transfer function. In most of the practical channels when the signal propagates through the atmosphere the effect of many factors on the signal has to be considered along with the free space propagation channel assumption.The main objective of this study is, therefore, to find out whether, and how, the different climatic conditions are influencing radio wave propagation in GSM frequency bands in general and in Narnaul, Haryana (India) in particular. To carry out this investigation, the records of radio wave propagation along with path loss during different climatic conditions have been analyzed. On the strength of these analyses, a propagation path loss model has been developed by proposing suitable correction factors due to different climatic conditions. The validation of this developed path loss model has been verified by taking reference models and by applying practically in different urban areas. The effect of these climatic conditions on the link budget has also been analyzed.

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Da: buchversandmimpf2000, Emtmannsberg, BAYE, Germaniabuchversandmimpf2000
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Wireless communication is one of the most dynamic and vibrant areas of technology development in the communication field today.It has been found that severe climatic conditions disturb the propagation of electromagnetic signals at high…er frequencies (greater than 30 MHz). The disturbance is mainly due to molecular absorption by oxygen for frequencies ranging between 60 and 118 GHz and due to water vapour in 22, 183 and 325 GHz bands. Rain and fog has the most significant impact, since the size of the rain drops is of the order of the wavelength of the transmitted signal. This results in energy absorption by the rain drops themselves, and as a secondary effect energy is scattered by the drops. The frequency selective absorption characteristics of the atmosphere can be approximated by a transfer function. In most of the practical channels when the signal propagates through the atmosphere the effect of many factors on the signal has to be considered along with the free space propagation channel assumption. The main objective of this study is, therefore, to find out whether, and how, the different climatic conditions are influencing radio wave propagation in GSM frequency bands in general and in Narnaul, Haryana (India) in particular. To carry out this investigation, the records of radio wave propagation along with path loss during different climatic conditions have been analyzed. On the strength of these analyses, a propagation path loss model has been developed by proposing suitable correction factors due to different climatic conditions. The validation of this developed path loss model has been verified by taking reference models and by applying practically in different urban areas. The effect of these climatic conditions on the link budget has also been analyzed.Diplomica Verlag, Hermannstal 119k, 22119 Hamburg 236 pp. Englisch.

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Da: buchversandmimpf2000, Emtmannsberg, BAYE, Germaniabuchversandmimpf2000
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -It has been investigated and found that extreme climatic conditions disturb propagation of electromagnetic signals at higher frequencies. In most of practical channels when the signal propagates through the atmosphere affect of many fa…ctors on the signal has to consider along with the free space propagation channel assumption. Because the other factors in the atmosphere causes absorption, refraction and scattering. Signal attenuation through the atmosphere is mainly due to molecular absorption by oxygen due to water vapours. Rain and fog has the most significant impact since the size of the rain drops is on the order of the wavelength of the transmitted signal. It results in energy absorption by the rain drops themselves, and as a secondary effect, energy is scattered by the drops. The frequency selective absorption characteristics of the atmosphere can be approximated by a transfer function.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 244 pp. Englisch.

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