gigaherc (GHz)

gigaherc (GHz)

One billion cycles per second. Signals operating above 3 Gigahertz are known as microwaves. above 30 GHz they are know as millimeter waves. As one moves above the millimeter waves signals begin to take on the characteristics of Iightwaves.

0 0

完善词条

添加图像

词性：名词
同义词：
词汇：
行业/领域：航空航天
类别卫星
Company:
产品：
取首字母的缩写词：

添加至 My Glossary

其他语言：

类似词条

kelvin (K)

航空航天; 卫星

The temperature measurement scale used in the scientific community. Zero K represents absolute zero, and corresponds to minus 459 degrees Fahrenheit or minus 273 Celsius. Thermal ...

herc (Hz)

航空航天; 卫星

The name given to the basic measure of radio frequency characteristics. An electromagnetic wave completes a full oscillation from its positive to its negative pole and back again ...

ndërhyrje

航空航天; 卫星

Energy which tends to interfere with the reception of the desired signals, such as fading from airline flights, RF interference from adjacent channels, or ghosting from reflecting ...

frekuencë

航空航天; 卫星

The number of times that an alternating current goes through its complete cycle in one second of time. One cycle per second is also referred to as one hertz; 1000 cycles per ...

gjurmë

航空航天; 卫星

A map of the signal strength showing the EIRP contours of equal signal strengths as they cover the earth's surface. Different satellite transponders on the same satellite will ...