Doped fiber amplifier (The typical representative: EDFA) Erbium-doped fiber amplifier (EDFA) is the most widely used fiber-optic amplifiers, mainly made of Erbium-doped fiber (EDF), pump light source, optical couplers, optical isolators, optical filters and other components.
Noun. 1. national income-the total value of all income in a nation (wages and profits and interest and rents and pension payments) during a given period (usually 1 yr).
What is Gross National Income (GNI)? - The value of the output of goods and services produced in a country in a year, including money that leaves and enters the country. 4. What is the annual per capita (per person) GNI in an MDC? In an LDC? -GNI: $47,000-MDC: Few thousand dollars 5. Explain the statement: âPer capita GNI measures average (mean) wealth, not the distribution.â -If only a few people receive much of the GNI, then the standard of living for the majority may be lower than the average figure implies; The higher the per capita GNI, the greater the potential for ensuring that all citizens can enjoy a comfortable life. 6.