Carlos Dávila – författare

This resource covers basic concepts and modeling examples for the three “pillars” of EW: Electronic Attack (EA) systems, Electronic Protection (EP) techniques, and Electronic Support (ES). It develops techniques for the modeling and simulation (M&S) of modern radar and electronic warfare (EW) systems and reviews radar principles, including the radar equation. M&S techniques are introduced, and example models developed in MATLAB and Simulink are presented and discussed in detail. These individual models are combined to create a full end-to-end engineering engagement simulation between a pulse-Doppler radar and a target. The radar-target engagement model is extended to include jamming models and is used to illustrate the interaction between radar and jamming signals and the impact on radar detection and tracking. In addition, several classic EA techniques are introduced and modeled, and the effects on radar performance are explored. This book is a valuable resource for engineers, scientists, and managers who are involved in the design, development, or testing of radar and EW systems. It provides a comprehensive overview of the M&S techniques that are used in these systems, and the book's many examples and case studies provide a solid foundation for understanding how these techniques can be applied in practice.

La Fundación Social –fs– cumple cien años de vida en 2011, un récord poco común en un país que apenas celebra dos siglos como nación independiente1 , pues Colombia es aún una sociedad en vías de desarrollo, una "economía emergente" en la cual son escasas las organizacionesrelacionadas directamente con su desarrollo económico y social que han logrado una trayectoria centenaria. Esa fragilidad de las institucionesse ha ido reconociendo gradualmente como uno de los problemas fundamentales para la evolución favorable de la economía en estas sociedades. Por ello en el difícil proceso de construcción de organizaciones que apoyen el "juego limpio", es decir, promotoras y ejemplo de apoyo a las instituciones, resulta valioso estudiar aquellas que se han mantenido durante tanto tiempo. Y además, difundir los aprendizajes derivados del análisis de su recorrido, de sus ciclos, de sus altibajos, de la manera como superaron las crisis y las coyunturas difíciles que les han permitido consolidarse.

Corporations, business groups and other business organizations are increasingly concerned about social challenges that directly impact the future of capitalism. Colombia s Fundación Social (FS) a century-old Latin American business group has from its start operated under two different but closely intertwined rationales: as a market, profit-seeking player; and as a civil society organization practicing solidarity. Social aims are at the core of FS mission, and business firms are instrumental. Remarkably, despite decades of growth as a ranking business group, FS underlying objective remained grounded in concern for the poor: To fight the structural causes of poverty.