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Tabla de Contenidos: “…Tres utopías demoledoras -- Un mundo feliz, de Huxley (1932) -- 1984, de Orwell (1949) -- Fahrenheit 451, de Bradbury (1953) -- 9.3.2. Resumen comparativo -- Bibliografía -- 10. …”

“…Taking as one of the central axes the resurgence of the discussion on the national question in Europe, it is observed how the crisis of the Fourth International did not begin with the debate on entryism in 1953 but ten years before, due to the difficulties of the organization to adapt to the new European scenario inaugurated in mid-1943 with the deposition of Benito Mussolini and the beginning of the "bourgeois-democratic counterrevolution" from the intervention of the United States during the last years of the war…”

Tabla de Contenidos: “…3.13.1 Distributed Scattering Model 124 -- 3.13.2 Single-Ring Model 125 -- 3.13.3 Double-Ring Model 126 -- 3.13.4 COST 259 Models 127 -- 3.13.5 Multidimensional Parametric Channel Model 127 -- 3.13.6 Effect of Antenna Separation, Antenna Coupling and Angular Spread on Channel Capacity 128 -- 3.13.7 Effect of Mutual Coupling 130 -- 3.14 Effect of Number of Scatterers on Channel Capacity 134 -- 3.14.1 Free Space Propagation 135 -- 3.14.2 Limited Number of Multipath Components 136 -- 3.15 Keyholes 137 -- 3.16 Rician Channels 141 -- 3.17 Wideband MIMO Channels 143 -- 3.17.1 Wideband Channel Model 145 -- References 145 -- 4 Radio Channel Sounders 149 -- 4.1 Echoes of Sound and Radio 149 -- 4.2 Definitions and Objectives of Radio Sounders and Radar 151 -- 4.2.1 Modes of Operation 151 -- 4.2.2 Basic Parameters 152 -- 4.3 Waveforms 152 -- 4.4 Single-Tone CW Waveforms 153 -- 4.4.1 Analysis of a Single-Tone System 153 -- 4.5 Single-Tone Measurements 158 -- 4.5.1 Measurement Configurations 158 -- 4.5.2 Triggering of Data Acquisition 160 -- 4.5.3 Strategy of CW Measurements 162 -- 4.6 Spaced Tone Waveform 164 -- 4.7 Pulse Waveform 166 -- 4.7.1 Properties of the Pulse Waveform 167 -- 4.7.2 Factors Affecting the Resolution of Pulse Waveforms 171 -- 4.7.3 Typical Configuration of a Pulse Sounder 171 -- 4.7.4 Practical Considerations for Pulse Sounding 171 -- 4.8 Pulse Compression Waveforms 174 -- 4.8.1 Ideal Correlation Properties of Pulse Compression Sounding Waveforms 175 -- 4.8.2 Pulse Compression Detectors 177 -- 4.8.3 Comment on Pulse Compression Detectors 180 -- 4.9 Coded Pulse Signals 182 -- 4.9.1 Barker Codes (1953) 182 -- 4.9.2 PRBS Codes 184 -- 4.9.3 PRBS Related Codes: Gold Codes 192 -- 4.9.4 Kasami Code 194 -- 4.9.5 Loosely Synchronous Codes 196 -- 4.10 Serial Correlation Detection of Coded Transmission 196 -- 4.10.1 Sliding Correlator 196 -- 4.10.2 Stepped Cross Correlator 198 -- 4.11 Comment Regarding Coded Transmission 198 -- 4.12 Frequency Modulated Continuous Wave (FMCW) Signal 199.…”

Tabla de Contenidos: “…XII: ludibundus-lyxipyretos. - Corrigenda (col. 1953-1957)…”

“…La investigación de Ramon Sendra (Gandia, 1962) y Mercè Pamblanco (València, 1953) se centra en las modificaciones químicas de la cromatina como mecanismo epigenético implicado en la expresión de los genes. …”
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“…In 1945, near the end of World War II, his family fled Silesia (in present-day Poland) for what would soon be Soviet-occupied East Germany, and then escaped again, this time to West Germany, in 1953. Polke grew up at a time when many Germans deflected blame for the atrocities of the Nazi period with the alibi, 'I didn?…”

“…In the immediate aftermath of World War II it suffered crippling material losses, from which it recovered slowly in the post-war era. In 1953, shortly after taking the name of its founding director, the institute joined the fledgling Max Planck Society. …”

“…Keith Tester, co-author of Bauman Before Postmodernity: Invitation, Conversations and Annotated Bibliography 1953-1989, author of The Social Thought of Zygmunt Bauman (2004), Conversations with Zygmunt Bauman (2001). …”

“…Im Mittelpunkt der Analyse stehen die Filme Wedad (Wedad the Slave, 1936, Lashin (Verräter am Nil), 1938 und Raya w Sekina (Der Frauenwürger von Kairo),1953…”