Hidetoshi MATSUMOTO

Thermal Gain Variation Compensation Technique Using Thermistor on HPA Module for W-CDMA System (2008)

KURIYAMA, Akira, YUYAMA, Shigehiro, OHNISHI, Masami, MATSUMOTO, Hidetoshi, TANOUE, Tomonori, OHBU, Isao, ...

The thermal gain variation of a high-power amplifier (HPA) module for a wide-band code division multiple access (W-CDMA) system application was reduced to within ±1 dB by applying a thermistor to...

Intravascular ultrasound imaging before and after angioplasty for stenosis of arteriovenous fistulae in haemodialysis patients (2001)

Higuchi, Terumi, Okuda, Naohiro, Aoki, Kyouko, Ishii, Yoshiyuki, Matsumoto, Hidetoshi, Ohnishi, Yoshihiko, ...

Background. Complications of haemodialysis vascular access have emerged as a major cause of patient morbidity. Intravascular ultrasound imaging is a new technical modality providing visualization...