Block diagram of the ECE radiometer system.
Block diagram of the second downconversion module.
Block diagram of the detector module (a) and the illustration of the detector module (b).
Detector output through each bandpass filter is plotted as a function of the input rf. Figures 4(a)–4(d) correspond to which output port (IFOUT1–4) connects to the detector module.
Time sequence of the heating systems (a), electron density measured by the FIR interferometer (b), and time traces of electron temperature (c) measured by the radiometer (solid line) and the Michelson spectrometer (dotted line).
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