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A Costas loop is a phase-locked loop (PLL) based circuit which is used for carrier frequency recovery from suppressed-carrier modulation signals (e.g. double- sideband suppressed carrier signals) and phase modulation signals (e.g. BPSK, QPSK ). It was invented by John P. Costas at General Electric in the 1950s.
This is a list of countries and territories by their average elevation above sea level based on the data published by Central Intelligence Agency, unless another source is cited. The list includes sovereign states and self-governing dependent territories based upon the ISO standard ISO 3166-1.
Education in Costa Rica is divided in 3 cycles: pre-education (before age 7), primary education (from 6-7 to 12-13), and secondary school (from 12-13 to 17-18), which leads to higher education. School year starts between the second and third week of February, stops at the last week of June, it continues again between the third and fourth week ...
Costa Rica ( UK: / ˌkɒstə ˈriːkə /, US: / ˌkoʊstə -/ ⓘ; Spanish: [ˈkosta ˈrika]; literally "Rich Coast"), officially the Republic of Costa Rica, [11] is a country in the Central American region of North America. Costa Rica is bordered by Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, and the ...
Outline. The most recent edition of the Sixteen Personality Factor Questionnaire (16PF), released in 1993, is the fifth edition (16PF5e) of the original instrument. The self-report instrument was first published in 1949; the second and third editions were published in 1956 and 1962, respectively; and the five alternative forms of the fourth edition were released between 1967 and 1969.
T3 or T3R - Tier 3 or Tier 3 Reinvestigation, now replace all NACLC. T5 and T5R - Tier 5 or Tier 5 Reinvestigation, now replace SSBI and SBPR respectively. Yankee White – An investigation required for personnel working with the President and Vice President of the United States. Obtaining such clearance requires, in part, an SSBI.
Junior Cycle. The Junior Cycle ( Irish: An tSraith Shóisearach) is the first stage of the education programme for post-primary education within the Republic of Ireland. It is overseen by the Department of Education and the National Council for Curriculum and Assessment (NCCA), and its terminal examination, the Junior Certificate, by the State ...
Logo. The Examination for the Certificate in Proficiency in English (ECPE) is an advanced level English language qualification that focuses on Level C2 of the Common European Framework of Reference for Languages (CEFR) . It is developed by CaMLA, a not-for-profit collaboration between the University of Michigan and the University of Cambridge.