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For simplicity, we follow the rules: X denotes a non empty set, x denotes an element of X , f , g denote partial functions from X to R, S denotes a Ïƒ-field of subsets of X , F denotes a function fromâ€¦ (More)

- Masayuki Nakamura, Hideaki Takagi, +4 authors Katsumi Wasaki
- 2010 Asia-Pacific Microwave Conference
- 2010

We have developed a position detection system to identify the positions of rescue workers working in tunnels and/or passages in underground facilities using leaky coaxial cables (LCXs). Via LCX, thisâ€¦ (More)

In this article we introduce some definitions concerning measurable functions and prove related properties. In this paper k is a natural number, r is a real number, i is an integer, and q is aâ€¦ (More)

(1) Let F , F1, F2 be finite sequences of elements of R and given r1, r2. If F1 = ã€ˆr1ã€‰ F or F1 = F a ã€ˆr1ã€‰ and if F2 = ã€ˆr2ã€‰ F or F2 = F a ã€ˆr2ã€‰, then âˆ‘(F1âˆ’F2) = r1âˆ’ r2. (2) Let F1, F2 be finiteâ€¦ (More)

- Kazuki Iwamoto, Katsumi Wasaki
- AINTEC
- 2012

In this paper, we propose a highly accurate, automatic malware-classification method, which extracts features by conducting static analysis of malware samples and the structure of malware sourceâ€¦ (More)

We adopt the following rules: r, x, y are real numbers, i, j are natural numbers, and p is a finite sequence of elements of R. The following proposition is true (1) For every closed-interval subset Aâ€¦ (More)

- Martha T. Nakamura, Haruna Takagi, Kiyoshi Einaga, Tadaaki Nishikawa, Noriko Moriyama, Katsumi Wasaki
- 2008 IEEE Radio and Wireless Symposium
- 2008

In installing wireless LAN access systems for indoor use, problems that arise include blind areas and interference between radio waves transmitted by neighboring base stations. To solve theseâ€¦ (More)

- Masayuki Nakamura, Yuying Yang, +5 authors Masaomi Takizawa
- Igaku butsuri : Nihon Igaku Butsuri Gakkaiâ€¦
- 2003

A network of the emergency telemedicine for mountain climbers in Japan Alps area has been developed. The network consists of 2.4GHz wireless LAN with over 30 km distance to be connected the Cable TVâ€¦ (More)

For simplicity, we follow the rules: n, m, k are natural numbers, x, X , X1 are sets, g, x0, x1, x2 are elements of C, s1, s2, s3, s4, s5, s6 are complex sequences, Y is a subset of C, f , f1, f2, h,â€¦ (More)

In this article we continue the investigations from [5] of verification of a design of adder circuit. We define it as a combination of 1-bit adders using schemes from [6]. n-bit adder circuit has theâ€¦ (More)