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Background: Recent neurophysiological studies have evaluated neural synchronization using wavelet transformation and the phase-locking factor (PLF). However, mathematical details of PLF and statistical processes to examine the significance of PLF have remained unclear. The present report discusses the significance level of PLF. Methods: Mathematization of PLF was performed, and results for PLF simulation...
The gyrotron, Gyrotron FU CW IV continues to produce output radiation in the wide range of magnetic fields from 4.9 T to 5.2 T, and continuous frequency tuning in 6 GHz interval from 134 GHz to 140 GHz can be realized. This type of gyrotron will play an important role as a high power radiation source with the function of continuous frequency tuning to the applications in the fields of millimeter to...
We analyze the spectra measured by the Gamma Ray Spectrometer (GRS) on board the SELENE satellite orbiting the Moon. The spectra consist in 8192 energy channels ranging from 0 to 12 MeV and exhibiting lines of interest (O, Mg, Al, Si, Ti, Ca, Fe, K, Th, and U) superposed on a continuum. We have also analysed the data with various multivariate techniques, one of them being the Independent Component...
This paper examines technology licensing contracts under both adverse selection and moral hazard. We characterize the optimal licensing contract for the model in which the licensee has private information on demand and can exert efforts to increase the probability of having high demand. Specifically, we analyze a contract game in which first, a patent holding laboratory offers a licensing contract...
This paper describes the first experiment on multi-rail and multilane technologies using global networks. These technologies leverage end-host and network parallel resources, e.g., processor cores and lambda paths, to achieve large bandwidths.
Summary form only given. Multi-frequency capacitively coupled plasma (CCP) sources in the range of 2-180 MHz are widely used for materials processing in the semiconductor industry. Very high frequency (VHF) sources bring various benefits including low plasma potential, high electron density, and controllable dissociation. Sources in the low frequency (LF) and high frequency (HF) regimes provide high...
High track-density recording and multi-layer recording have been investigated for large capacity optical recording discs. In this case, the recorded data will be reproduced under the low signal-to-noise ratio (SNR) condition due to crosstalk from the adjacent tracks or the other layers, and robust data detection will be required. In this paper, a novel matched spectral-null (MSN) code providing the...
The purpose of this paper is to propose a new real-coded genetic algorithm (RCGA) named networked genetic algorithm (NGA) that intends to find multiple optima simultaneously in deceptive globally multimodal landscapes. Most current techniques such as niching for finding multiple optima take into account big valley landscapes or non-deceptive globally multimodal landscapes but not deceptive ones called...
The dependence of the interface-trap-induced scattering on the electron kinetic energy (epsivele) in nMOSFETs is investigated experimentally. The procedure to extract the accurate epsivele dependence of the interface-trap-induced scattering relationship is developed based on the careful Hall effect measurements. As a result, it is demonstrated that as epsivele increases, the interface-trap-induced...
This paper proposes micro muT-Kernel, a real-time operating system for networked tiny devices, which adopts a preemptive priority-based scheduling. It provides a sophisticated application programming interface to facilitate software development. In addition, to provide rich functionalities with a small-footprint, the kernel is reconfigurable with respect to the API. Moreover, muT-Kernel supports a...
We propose a proximity detection system that supports pedestrian traffic. Active radio tags are utilized for building the system to reduce the overall system cost. But accurate ranging based on utilizing active radio tags only is difficult to achieve, since the RSSI is affected by small-scale fading of a radio signal in real-world environments. In this paper, 4 simple statistical RSSI filtering methods...
Since the propulsion mechanism in fluid using an elastic fin, such as the caudal fin or the pectoral fin of fish, is effective. However, the optimum elasticity of the fin is not constant and changes with the movement task and environment. It is very difficult to exchange fins of different stiffness while the robot is swimming. Thus, we attempt to develop a variable-stiffness fin with a variable-effective-length...
Recently, mobile indoor robots have been intensively studied. When such mobile robots are operated, it is necessary to generate their trajectory automatically. In this study, a system which automatically generates the target trajectory avoiding obstacles in the indoor environment by real-time optimization is developed. Conventional artificial potential field method directly generates force which leads...
This paper deals with release time planning to reduce lead times of jobs in make-to-order production environments. In traditional MRP-based planning system, lead times are estimated using historical data and past experience without precisely considering capacity constraints. The proposed method in this paper is based on precise backward and forward scheduling simulation. First, backward simulation...
Carrier transport in advanced MOSFETs is reviewed. First, electron and hole mobility in (110) MOSFETs are compared with those in (100) MOSFETs. Stress engineering is discussed in terms of energy split and effective mass due to the stress. The optimization of multi-gate MOSFET structure is then considered. As an example of ballistic MOSFETs, the performance and stress engineering of CNT FETs with doped...
Extremely high density CMOS technology for 40 nm low power applications is demonstrated. More than 50% power reduction is achieved as a SoC chip by aggressive shrinkage and low voltage operation of RF devices. Gate density of 2100 kGate/mm2 is realized by breaking down conventional trade-off of leakage power and performance with three key approaches. 0.195 mum2 SRAM with excellent static noise margin...
This paper proposes a method for generating an irreducible polynomial of an arbitrary degree m over an arbitrary prime field Fp such that p > m. The proposed method is closely related to the minimal polynomial determination and therefore it has the following features: its complexity has little dependency on the size of characteristic p, its calculation cost is explicitly given with degree m, and...
This paper proposes a CDFG (control data flow graph) generating method from a C program for LSI design. At first, an application program described in C language is analyzed. And a hierarchical CDFG that maintains the program structure for optimal HW assignment is generated. After a generation of the CDFG, every operation in the CDFG is partitioned to data operation or address operation for design...
Voltage holding capability of a 500 kV, 22 A three-stage electrostatic accelerator, where large-area grids of 0.28 m2 and large FRP insulators of 1.8 m in diameter are used, was examined. High voltage was independently applied to each acceleration stage. The voltage holding capabilities of 130 kV were obtained for each acceleration stage. Namely, there is no particular weak stage for voltage holding...
The latest gyrotron included Gyrotron FU CW Series, Gyrotron FU CW III is introduced in detail. It consists of a 20T superconducting magnet, a demountable gyrotron tube, a 30 kV, 0.5 A, CW power supply for electron gun and additional coils in a gun region. The gyrotron has achieved the breakthrough of 1 THz and frequency step tunability up to around 540 GHz for fundamental operations and up to 1.08...
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