Tadao Kasami - Böcker
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3 produkter
3 produkter
1 095 kr
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This work contains most of the conclusions reached by the geneticists, anthropologists, and linguists at the meeting `Prehistoric Iberia'. The novel conclusions reached include the following: there is no evidence of the demic diffusion model of people substitution in Iberia during the Mesolithic-Neolithic transition; new technologies were probably reached by circum-Mediterranean navigation; present day Iberians are genetically very similar to North African populations and also to other more distant Eastern Mediterraneans, including Turks; Arab invasions in North Africa and Spain in 711 AD did not result in a massive gene flow; North African Berbers and Spaniards have maintained their old genetic identity - this invasion was mostly religious and cultural; Celts in Iberia are difficult to find; and Basque and Berber languages are similar to many other extinct `Usko-Mediterranean' languages (Etruscan, Minoan). These `older languages' were later substituted by the Euro Asiatic languages (Latin, Greek, German).Finally, the Saharan area is considered as a radiation focus of peoples, (and languages) who were forced to emigrate from a fertile area where hyper-arid conditions began to develop after 7000 BC.
Del 443 - Springer International Series in Engineering and Computer Science
Trellises and Trellis-Based Decoding Algorithms for Linear Block Codes
Inbunden, Engelska, 1998
1 577 kr
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As the demand for data reliability increases, coding for error control becomes increasingly important in data transmission systems and has become an integral part of almost all data communication system designs. In recent years, various trellis-based soft-decoding algorithms for linear block codes have been devised. New ideas developed in the study of trellis structure of block codes can be used for improving decoding and analyzing the trellis complexity of convolutional codes. These recent developments provide practicing communication engineers with more choices when designing error control systems. This text combines trellises and trellis-based decoding algorithms for linear codes together in a simple and unified form. The approach is to explain the material in an easily understood manner with minimal mathematical rigour. The book is intended for practicing communication engineers who want to have a fast grasp and understanding of the subject. Only material considered essential and useful for practical applications is included. This book can also be used as a text for advanced courses on the subject.
Del 443 - Springer International Series in Engineering and Computer Science
Trellises and Trellis-Based Decoding Algorithms for Linear Block Codes
Häftad, Engelska, 2012
1 577 kr
Skickas inom 10-15 vardagar
As the demand for data reliability increases, coding for error control becomes increasingly important in data transmission systems and has become an integral part of almost all data communication system designs. In recent years, various trellis-based soft-decoding algorithms for linear block codes have been devised. New ideas developed in the study of trellis structure of block codes can be used for improving decoding and analyzing the trellis complexity of convolutional codes. These recent developments provide practicing communication engineers with more choices when designing error control systems. Trellises and Trellis-based Decoding Algorithms for Linear Block Codes combines trellises and trellis-based decoding algorithms for linear codes together in a simple and unified form. The approach is to explain the material in an easily understood manner with minimal mathematical rigor. Trellises and Trellis-based Decoding Algorithms for Linear Block Codes is intended for practicing communication engineers who want to have a fast grasp and understanding of the subject. Only material considered essential and useful for practical applications is included. This book can also be used as a text for advanced courses on the subject.