Every year more interest is focused on high frequencies (HF) communications for remote sensing platforms due to their capacity to establish links of more than 250 km without a line of sight and due to them being a low-cost alternative to satellite communications.In this article, we study the ionospheric ordinary and extraordinary waves to improve t
Freedom of the press is one of the most important intellectual freedoms that stem from the freedom of opinion and expression.One of the most important principles of man is Effects of corn oil ingestion on the intestinal mucosa of normal dogs the freedom of the human being to express his opinion and position regarding any event or decision, whether
In the context of a shrinking sphere of dialect usage, a dialectological problem becomes relevant.This work is devoted to the vocabulary of one Russian dialect of the Voronezh region, which is collected in the field.The purpose of this study is to describe household utensils and their use in the middle and second half of the 20th century, as well a
Nowadays, ultrasound pulse-echo systems are commonly used as a diagnostic tool, due to its advantageous characteristics such as being a non-destructive analysis Algoritmos genéticos aplicados a la optimización de antenas Yagi-Uda Genetic algorithms applied to Yagi-Uda antenna optimization method and having a millimeter range resolution for the cu