Fundamentos de televisión analógica y digital

Resultado de la compilación de los apuntes de clase, a lo largo de los últimos años, de la carrera de Ingeniería de Telecomunicación en la Universidad de Cantabria, es una obra destinada no sólo a los estudiantes sino a todos los interesados por iniciarse en algunos aspectos fundamentales de los sistemas de comunicaciones eléctricas, donde se ha prescindido, en la medida de lo posible, de tratamientos matemáticos complicados, buscando un enfoque práctico. Trata temas básicos orientados fundamentalmente a los sistemas radioeléctricos, con un enfoque hacia los sistemas analógicos,...

Most of the Earth's changes happen over millions of years, but earthquakes can force significant changes to the land in just a few moments. Readers will learn the science of plate tectonics and its role in the development of earthquakes around the globe. They will also learn that not all rocks are created equal. In fact, rocks are all different ages! This Spanish-translated book concludes with images of the damage and destruction that earthquakes can cause.

This Spanish language edition of Yuyi Morales's Pura Belpré Award winner and New York Times Bestseller Dreamers is now available in paperback! Caldecott Honor artist and six-time Pura Belpré winner Yuyi Morales's gorgeous book Dreamers, and its Spanish language version Soñadores, are about making a home in a new place. Yuyi and her son Kelly's passage was not easy, and Yuyi did not speak any English at the time. But together, they found an unexpected, unbelievable place: the public library. There, book by book, they untangled the language of this strange new land, and learned to make their ...

In this poetic memoir, which won the Pura Belpré Author Award and was named a Walter Dean Myers Award Honoree, acclaimed author Margarita Engle tells of growing up as a child of two cultures during the Cold War. En este poético libro de memorias—ganador del premio Pura Belpré de autor, finalista del premio de YALSA de no ficción y premio de honor Walter Dean Myers—la aclamada autora Margarita Engle recrea su infancia, que transcurrió a caballo entre dos culturas durante la Guerra Fría. Margarita is a girl from two worlds. Her heart lies in Cuba, her mother’s tropical island...

A fierce ogre finds that children are becoming too smart for him to catch and eat. Instead, he passes his time writing arithmetic problems to challenge the children.