Related by context. Frequent words. (Click for all words.) 59 frequency modulation 57 sideband 56 1kHz 54 microwave frequencies 54 #KHz [001] 53 QPSK 53 cardioid 53 #KHz [002] 53 interferometric 53 #GHz [001] 52 Ku Band 52 #MHz #MHz [001] 52 irradiance 51 2kW 51 6GHz 51 keV 51 visible wavelengths 51 shortwave 51 5MHz 51 directional antennas 51 #.#-#.# GHz [004] 51 photodiode 50 tropospheric 50 nm wavelength 50 -# dBm [001] 49 temperature coefficient 49 microwatts 49 wavelengths 49 ionospheric 49 -# dB [001] 49 amplifier module 49 optical wavelengths 49 amplifier modules 49 PSK# 49 quadrature 49 emissivity 49 luminous flux 49 nonlinearity 49 combiner 48 RS# interface 48 beam splitter 48 GaN HEMT 48 convertors 48 RF tuner 48 #,# GHz 48 wavelength 48 photometry 48 dispersive 48 8W 48 #Z [004] 48 QSOs 48 Downlink 48 antenna arrays 48 infrared IR 48 Multimode 48 #mW [001] 47 transmitter 47 absorbance 47 photodetector 47 quantized 47 anisotropy 47 dipole 47 switchable 47 photoluminescence 47 pulse width 47 MUX 47 μs 47 #um [002] 47 MeV 47 #dBm [001] 47 auroral 47 1MHz 47 directivity 47 EM# [001] 47 orbitals 47 combiners 47 #V DC 47 GeV 47 GHZ 47 multispectral 47 using CW SSB 47 amplitudes 47 sine wave 47 HF bands 46 GByte 46 tunable 46 interferometers 46 InGaAs 46 kHz 46 4Mb 46 X ray emission 46 radiative 46 photometer 46 harmonic distortion 46 spectrographs 46 headphone amplifier 46 TCXO 46 crystal oscillator 46 #-# mA 46 impedances 46 picosecond