কেলভিন (কে)

কেলভিন (কে)

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 noise characteristics of LNA are measured in Kelvins.

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

-কে

语言; 字典

ব্যবহারিক শব্দ;উপসর্গ;যখন কাউকে কিছু বলা, দেওয়া বা দেখানো হয়।

কে-ফ্যাক্টর

能源; 风能

is a weighting of the harmonic load currents according to their effects on transformer heating. A K-factor of 1.0 indicates a linear load (no harmonics). The higher the K-factor, ...

(কে) ফ্যাক্টর (শর্ত)

家用电器; 空调

The insulating value of any material. Also known as conductivity.

গিগাহার্ত্জ (GHz)

航空航天; 卫星

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 ...

হাব

航空航天; 卫星

The master station through which all communications to, from and between micro terminals must flow. in the future satellites with on-board processing will allow hubs to be ...

ট্রান্সপন্ডার

航空航天; 卫星

A combination receiver, frequency converter, and transmitter package, physically part of a communications satellite. Transponders have a typical output of five to ten watts, ...

ট্রান্সমিটার

航空航天; 卫星

An electronic device consisting of oscillator, modulator and other circuits which produce a radio or television electromagnetic wave signal for radiation into the atmosphere by an ...

আপলিঙ্ক্

航空航天; 卫星

The earth station used to transmit signals to a satellite.

ট্রাভেলিং-ওয়েভ টিউব অ্যামপ্লিফায়ার (টিডব্লিউটিএ)

航空航天; 卫星

A combination of a power supply, a modulator (for pulsed systems), and a traveling-wave tube, often packaged in a common enclosure.

新闻词条

精选词条

Prodip Kumar Dutta

0
词条
0
词汇
7
关注者

行业/领域：移动通信类别移动电话

আইফোন ৪

The latest Apple iPhone as of June 15, 2010. iPhone 4 comes with such features as FaceTime, Retina display, multitasking, HD video, and a 5-megapixel ...