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CHASQUI - I
Chasqui I is a one-kilogram nano satellite project that was launched from the International Space Station during a spacewalk on August 18, 2014. The concept satellite was equipped with two cameras, one for visible light and one infrared, equipped to take photos of the Earth. The Chasqui I was developed by students at Peru's National University of Engineering (UNI) with assistance from the Russian Southwest State University (SWSU), Kursk. It was part of an educational project to acquire the experience and ability in developing satellites. The name of the project refers to the ''Chasqui'', who served as messengers in the Inca Empire. General objectives Most of UNI's objectives in satellite technology were completed through nanosatellite Cubesat. Plans for the satellite Chasqui I included taking pictures of the Earth, with transmission to a ground station. Specific objectives include: * Establish contact and support to other universities and/or institutions involved in s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National University Of Engineering
The National University of Engineering ( es, Universidad Nacional de Ingeniería, UNI) is a public engineering and science university located in the Rímac District of Lima, Peru. History The National University of Engineering was founded in 1876 by the Polish engineer Edward Jan Habich as the School of Civil Constructions and Mining Engineers ( es, Escuela de Ingenieros de Construcciones Civiles y de Minas), but has traditionally been known as School of Engineers (''Escuela de Ingenieros''). At the time of its foundation, there was a growing demand for engineers in Peru due to the rapid development of mining and communications. Today, the National University of Engineering is widely regarded as the foremost science and technology-oriented university in Peru, many of its alumni occupying today positions of leadership in the fields of Industry, Academia, and Government. Academics Current admission is highly competitive, wit~16% acceptance rate in 2020overall with the most dema ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Active Pixel Sensor
An active-pixel sensor (APS) is an image sensor where each pixel sensor unit cell has a photodetector (typically a pinned photodiode) and one or more active transistors. In a metal–oxide–semiconductor (MOS) active-pixel sensor, MOS field-effect transistors (MOSFETs) are used as amplifiers. There are different types of APS, including the early NMOS APS and the now much more common complementary MOS (CMOS) APS, also known as the CMOS sensor. CMOS sensors are used in digital camera technologies such as cell phone cameras, web cameras, most modern digital pocket cameras, most digital single-lens reflex cameras (DSLRs), and mirrorless interchangeable-lens cameras (MILCs). CMOS sensors emerged as an alternative to charge-coupled device (CCD) image sensors and eventually outsold them by the mid-2000s decade. The term ''active pixel sensor'' is also used to refer to the individual pixel sensor itself, as opposed to the image sensor. In this case, the image sensor is sometimes c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pct 01
PCT, P.C.T. or pct may refer to: Math, science and technology * pct, an abbreviation for "%" (percentage) * PCT theorem, on parity, charge and time inversions * Perceptual control theory, a model of behavior * Personal Communication Telephone, a mobile telephone service * Polychlorinated terphenyl, an industrial chemical * Polycyclohexylenedimethylene terephthalate, a thermoplastic polyester * Private Communications Technology, an obsolete Internet security protocol * Programmable communicating thermostat, California, US term * Projected capacitive touchscreen technology Medicine * Patient care technician * Person-centered therapy * Porphyria cutanea tarda, the most common subtype of porphyria * Postcoital test, for infertility * Post-coital tristesse * Pragmatic clinical trial * Primary care trusts, UK NHS bodies 2001–2013 * Procalcitonin, a precursor of the hormone calcitonin * Progestogen challenge test * Proximal convoluted tubule, in the kidney * Proton comp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spacecraft Attitude Control
Spacecraft attitude control is the process of controlling the orientation of a spacecraft (vehicle/satellite) with respect to an inertial frame of reference or another entity such as the celestial sphere, certain fields, and nearby objects, etc. Controlling vehicle attitude requires sensors to measure vehicle orientation, actuators to apply the torques needed to orient the vehicle to a desired attitude, and algorithms to command the actuators based on (1) sensor measurements of the current attitude and (2) specification of a desired attitude. The integrated field that studies the combination of sensors, actuators and algorithms is called guidance, navigation and control (GNC). Overview A spacecraft's attitude must typically be stabilized and controlled for a variety of reasons. It is often needed so that the spacecraft high-gain antenna may be accurately pointed to Earth for communications, so that onboard experiments may accomplish precise pointing for accurate collectio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spacecraft Thermal Control
In spacecraft design, the function of the thermal control system (TCS) is to keep all the spacecraft's component systems within acceptable temperature ranges during all mission phases. It must cope with the external environment, which can vary in a wide range as the spacecraft is exposed to the extreme coldness found in the shadows of deep space or to the intense heat found in the unfiltered direct sunlight of outer space. A TCS must also moderate the internal heat generated by the operation of the spacecraft it serves. A TCS can eject heat passively through the simple and natural infrared radiation of the spacecraft itself, or actively through an externally mounted infrared radiation coil. Thermal control is essential to guarantee the optimal performance and success of the mission because if a component is subjected to temperatures which are too high or too low, it could be damaged or its performance could be severely affected. Thermal control is also necessary to keep specific ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nano02
Nano, Nano-, NANO or NaNo may refer to: People * Nano (singer) (born 1988), Japanese-American J-pop singer * Nano Omar (born 1986), Swedish singer * Nano Riantiarno (born 1949), Indonesian director * Agnese Nano (born 1965), Italian actress * Fatos Nano (born 1952), former Prime Minister of Albania * Lourdes Flores Nano (born 1959), Peruvian politician * Nano Macedo (born 1982), Spanish football winger, full name Fernando Macedo da Silva Rodilla * Nano Mesa (born 1995), Spanish football forward, full name Alexander Mesa Travieso * Nano Rivas (born 1980), Spanish football defender, full name Victoriano Rivas Álvaro * Nano (Egyptian footballer) (born 1985), Egyptian football defender/midfielder, full name Mohamed Mahmoud * Nano (footballer, born 1982), Spanish football winger, full name Fernando Macedo da Silva Rodilla * Nano (footballer, born 1984), Spanish football defender, full name Mariano González Maroto Science and technology * GNU nano, a text editor for Unix-like sy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telecommunication
Telecommunication is the transmission of information by various types of technologies over wire, radio, optical, or other electromagnetic systems. It has its origin in the desire of humans for communication over a distance greater than that feasible with the human voice, but with a similar scale of expediency; thus, slow systems (such as postal mail) are excluded from the field. The transmission media in telecommunication have evolved through numerous stages of technology, from beacons and other visual signals (such as smoke signals, semaphore telegraphs, signal flags, and optical heliographs), to electrical cable and electromagnetic radiation, including light. Such transmission paths are often divided into communication channels, which afford the advantages of multiplexing multiple concurrent communication sessions. ''Telecommunication'' is often used in its plural form. Other examples of pre-modern long-distance communication included audio messages, such as coded drumb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Precision Agriculture
Precision agriculture (PA) is a farming management strategy based on observing, measuring and responding to temporal and spatial variability to improve agricultural production sustainability. It is used in both crop and livestock production. Precision agriculture often employs technologies to automate agricultural operations, improving their diagnosis, decision-making or performing. First conceptual work on PA and practical applications go back in the late 1980s. The goal of precision agriculture research is to define a decision support system (DSS) for whole farm management with the goal of optimizing returns on inputs while preserving resources. Among these many approaches is a phytogeomorphological approach which ties multi-year crop growth stability/characteristics to topological terrain attributes. The interest in the phytogeomorphological approach stems from the fact that the geomorphology component typically dictates the hydrology of the farm field. The practice of pre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Narcoterrorism
Narcoterrorism, in its original context, is understood to refer to the attempts of narcotics traffickers to influence the policies of a government or a society through violence and intimidation, and to hinder the enforcement of anti-drug laws by the systematic threat or use of such violence. Description Pablo Escobar's violence in his dealings with the Colombian government is probably one of the most known and best documented examples of narcoterrorism. The term itself was coined by former President Fernando Belaúnde Terry of Peru in 1983 when describing terrorist attacks against his nation's anti-narcotics police. As with most definitions of terrorism, it typically only refers to non-state actors. The term has become a subject of controversy, largely due to its use in discussing violent opposition to the US government's War on Drugs. The term is being increasingly used for terrorist organizations that engage in drug trafficking activity to fund their operations and gain rec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deforestation Of The Amazon Rainforest
The Amazon rainforest is the largest rainforest in the world, covering an area of 3,000,000 km2 (2,316,612.95 square miles). It represents over half of the planet's rainforests and comprises the largest and most biodiverse tract of tropical rainforest in the world. This region includes territory belonging to nine nations. The majority of the forest is contained Brazilian Amazon, within Brazil, with 60%, followed by Peruvian Amazon, Peru with 13%, Amazon Region of Colombia, Colombia with 10%, and with minor amounts in Venezuela, Ecuador, Bolivia, Guyana, Suriname and French Guiana. The cattle sector of the Brazilian Amazon, incentivized by the international beef and leather trades, has been responsible for about 80% of all deforestation in the region,Adam, David (May 31, 2009)"British supermarkets accused over destruction of Amazon rainforest" ''The Guardian''. Retrieved October 21, 2015. or about 14% of the world's total annual deforestation, making it the world's largest s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Logo Chasqui 1
A logo (abbreviation of logotype; ) is a graphic mark, emblem, or symbol used to aid and promote public identification and recognition. It may be of an abstract or figurative design or include the text of the name it represents as in a wordmark. In the days of hot metal typesetting, a logotype was one word cast as a single piece of type (e.g. "The" in ATF Garamond), as opposed to a ligature, which is two or more letters joined, but not forming a word. By extension, the term was also used for a uniquely set and arranged typeface or colophon. At the level of mass communication and in common usage, a company's logo is today often synonymous with its trademark or brand.Wheeler, Alina. ''Designing Brand Identity'' © 2006 John Wiley & Sons, Inc. (page 4) Etymology Douglas Harper's Online Etymology Dictionary states that the term 'logo' used in 1937 "probably a shortening of logogram". History Numerous inventions and techniques have contributed to the contemporary logo, includ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
