2 papers
astro-ph.IM2010
A New System Noise Measurement Method Using a 2-bit Analog-To-Digital Converter
Aki Nakatake, Seiji Kameno, Koji Takeda
We propose a new method to measure the system noise temperature, , using a 2-bit analog-to-digital converter (ADC). The statistics of the digitized signal in a four-le…
astro-ph2007
Japanese VLBI Network observations of radio-loud narrow-line Seyfert 1 galaxies
Akihiro Doi, Kenta Fujisawa, Makoto Inoue +20
We performed phase-reference very long baseline interferometry (VLBI) observations on five radio-loud narrow-line Seyfert 1 galaxies (NLS1s) at 8.4 GHz with the Japanese VLBI Netwo…