David Ramirez – författare

From excursions into the wilderness of ideas, the author found the home of his heart, which he renovated, and now it is, "e;The Stimulusworks Warehouse,"e; which is dedicated to the primacy of noble thought.This work is composed as a composer writes music. The rhythm of the words is accented, sentences have a melodious arrangement and phrases resonate in a harmonious text.Enlightenment received beneath the lamps of this warehouse, is meant to illuminate the enigmas of the world outside its walls. For it is by the light of the spectrum of thought, that universality can be perceived in the spontaneous.The depths of these insights of discernment heighten the outlook of imagination.Following the call of advancement, leads one to open the door of this storehouse of understanding and enter into a place where awareness is attained that guides action to move in equilibrium with the fluctuations of life.In this warehouse, knowledge is transformed into a tool. This tool helps one to engineer a machine of reason that will take its driver into undiscovered territories of awareness, beyond labyrinths of thought which hinder the forward progress of the mind and into a realm of understanding where wisdom transforms into process.Adventurers from every walk of life can walk this repository's terraces and walk away with treasures of thought, securely placed in the mind.Outside the back of the warehouse, the explorer can then find the bridge, from the cliffs of dilemma to a plateau of clarification.The most important view of this warehouse is the vista from its windows, which openson to a mindscape enlarged with the telescope of wisdom. Eager to explore this new panorama discovered by understanding, passion will follow closely behind creativity, until they perceive how to transform endeavor into accomplishment.The acquirer of this warehouse will learn:that knowledge stabilizes integrity in a world in transition;that understanding infuses harmony into a life of modulation;that wisdom insures happiness in an experience of uncertainty.After exiting the warehouse, the joy acquired from its discovery will cause the yearning to return. The door is easily unlocked, for the universal key is the love of pleasure arising from ascertaining the knowledge inside the crates on the shelves, where they will remain, awaiting the touch of inquisitive fingers, that will gently but firmly open their lids...

The Noah: a city-sized ship, half-way through an eight-hundred-year voyage to another planet. In a world where deeds, and even thoughts, cannot be kept secret, a man is murdered; his body so ruined that his identity must be established from DNA evidence. Within hours, all trace of the crime is swept away, hidden as though it never happened. Hana Dempsey, a mid-level bureaucrat genetically modified to use the Noah's telepathic internet, begins to investigate. Her search for the truth will uncover the impossible: a serial killer who has been operating on board for a lifetime... if not longer. And behind the killer lies a conspiracy centuries in the making.

Boniboneja es un hada coneja del bosque encantado, aqu contamos su fabulosa aventura que la llev a conocer su talento y a usar sus alas para llevar felicidad a quienes la necesiten. Este es un libro de reflexin para nios preguntones y adultos perspicaces, cada amigo que visita Boniboneja en estas pginas nos ayuda a entender la importancia de la naturaleza, la amistad, la tolerancia y sobre todo la felicidad de realizarse y ser uno mismo.

This book organizes principles and methods of signal processing and machine learning into the framework of coherence. The book contains a wealth of classical and modern methods of inference, some reported here for the first time. General results are applied to problems in communications, cognitive radio, passive and active radar and sonar, multi-sensor array processing, spectrum analysis, hyperspectral imaging, subspace clustering, and related. The reader will find new results for model fitting; for dimension reduction in models and ambient spaces; for detection, estimation, and space-time series analysis; for subspace averaging; and for uncertainty quantification. Throughout, the transformation invariances of statistics are clarified, geometries are illuminated, and null distributions are given where tractable. Stochastic representations are emphasized, as these are central to Monte Carlo simulations. The appendices contain a comprehensive account of matrix theory, the SVD, the multivariate normal distribution, and many of the important distributions for coherence statistics. The book begins with a review of classical results in the physical and engineering sciences where coherence plays a fundamental role. Then least squares theory and the theory of minimum mean-squared error estimation are developed, with special attention paid to statistics that may be interpreted as coherence statistics. A chapter on classical hypothesis tests for covariance structure introduces the next three chapters on matched and adaptive subspace detectors. These detectors are derived from likelihood reasoning, but it is their geometries and invariances that qualify them as coherence statistics. A chapter on independence testing in space-time data sets leads to a definition of broadband coherence, and contains novel applications to cognitive radio and the analysis of cyclostationarity. The chapter on subspace averaging reviews basic results and derives an order-fitting rule for determining the dimension of an average subspace. These results are used to enumerate sources of acoustic and electromagnetic radiation and to cluster subspaces into similarity classes. The chapter on performance bounds and uncertainty quantification emphasizes the geometry of the Cramèr-Rao bound and its related information geometry.

This book organizes principles and methods of signal processing and machine learning into the framework of coherence. The book contains a wealth of classical and modern methods of inference, some reported here for the first time. General results are applied to problems in communications, cognitive radio, passive and active radar and sonar, multi-sensor array processing, spectrum analysis, hyperspectral imaging, subspace clustering, and related.

The reader will find new results for model fitting; for dimension reduction in models and ambient spaces; for detection, estimation, and space-time series analysis; for subspace averaging; and for uncertainty quantification. Throughout, the transformation invariances of statistics are clarified, geometries are illuminated, and null distributions are given where tractable. Stochastic representations are emphasized, as these are central to Monte Carlo simulations. The appendices contain a comprehensive account of matrix theory, the SVD, the multivariate normal distribution, and many of the important distributions for coherence statistics.

The book begins with a review of classical results in the physical and engineering sciences where coherence plays a fundamental role. Then least squares theory and the theory of minimum mean-squared error estimation are developed, with special attention paid to statistics that may be interpreted as coherence statistics. A chapter on classical hypothesis tests for covariance structure introduces the next three chapters on matched and adaptive subspace detectors. These detectors are derived from likelihood reasoning, but it is their geometries and invariances that qualify them as coherence statistics. A chapter on independence testing in space-time data sets leads to a definition of broadband coherence, and contains novel applications to cognitive radio and the analysis of cyclostationarity. The chapter on subspace averaging reviews basic results and derives an order-fitting rule for determining the dimension of an average subspace. These results are used to enumerate sources of acoustic and electromagnetic radiation and to cluster subspaces into similarity classes. The chapter on performance bounds and uncertainty quantification emphasizes the geometry of the Cramèr-Rao bound and its related information geometry.

This book organizes principles and methods of signal processing and machine learning into the framework of coherence. The book contains a wealth of classical and modern methods of inference, some reported here for the first time. General results are applied to problems in communications, cognitive radio, passive and active radar and sonar, multi-sensor array processing, spectrum analysis, hyperspectral imaging, subspace clustering, and related. The reader will find new results for model fitting; for dimension reduction in models and ambient spaces; for detection, estimation, and space-time series analysis; for subspace averaging; and for uncertainty quantification. Throughout, the transformation invariances of statistics are clarified, geometries are illuminated, and null distributions are given where tractable. Stochastic representations are emphasized, as these are central to Monte Carlo simulations. The appendices contain a comprehensive account of matrix theory, the SVD, the multivariate normal distribution, and many of the important distributions for coherence statistics. The book begins with a review of classical results in the physical and engineering sciences where coherence plays a fundamental role. Then least squares theory and the theory of minimum mean-squared error estimation are developed, with special attention paid to statistics that may be interpreted as coherence statistics. A chapter on classical hypothesis tests for covariance structure introduces the next three chapters on matched and adaptive subspace detectors. These detectors are derived from likelihood reasoning, but it is their geometries and invariances that qualify them as coherence statistics. A chapter on independence testing in space-time data sets leads to a definition of broadband coherence, and contains novel applications to cognitive radio and the analysis of cyclostationarity. The chapter on subspace averaging reviews basic results and derives an order-fitting rule for determining the dimension of an average subspace. These results are used to enumerate sources of acoustic and electromagnetic radiation and to cluster subspaces into similarity classes. The chapter on performance bounds and uncertainty quantification emphasizes the geometry of the Cramèr-Rao bound and its related information geometry.

Environmental sustainability issues in a fragile, semi-arid region and its coastal area, which experience climate changes from extreme drought conditions to the effects of hurricanes over a period of weeks to years, provide specific challenges for the ecosystems and the populations existing within the region.  The research presented focuses on the problems and some solutions specific to the South Texas-Mexico border region, on both sides of the Rio Grande, focusing on water and air pollution.

Environmental sustainability issues in a fragile, semi-arid region and its coastal area, which experience climate changes from extreme drought conditions to the effects of hurricanes over a period of weeks to years, provide specific challenges for the ecosystems and the populations existing within the region.  The research presented focuses on the problems and some solutions specific to the South Texas-Mexico border region, on both sides of the Rio Grande, focusing on water and air pollution.

La colección "Enigmas de las Américas" analiza expediciones de siglos pasados que buscaron descifrar enigmas de la geografía del continente americano. En cada libro, especialistas internacionales escriben artículos donde analizan, desde distintas perspectivas y diversos momentos, el impacto de estas expediciones en la construcción de imaginarios y en la cartografía, es decir, en aquellos dispositivos visuales conocidos como mapas. El presente libro se enfoca en el esfuerzo por descifrar el enigma del paso interoceánico en diversos puntos de la geografía americana. De acuerdo con el lineamiento de la colección "Enigmas de las Américas", los artículos de este segundo libro abordan el impacto de la búsqueda del paso interoceánico en la cartografía, reflejado en aquellos dispositivos visuales conocidos como mapas. Estos registran la información geográfica de las expediciones, que en sus trayectos alcanzaron interesantes descubrimientos geográficos y etnográficos, alentadas por el anhelo continuo de encontrar en algún lugar de la inexplorada vastedad del Mar del Sur, "tierras llenas de impensables riquezas (…) parte de aquella búsqueda inagotable".