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IEICET
2007
13 years 8 months ago
2007
—The frequency hopping (FH) based ultra-wideband (UWB) communication system divides its available frequency spectrum into several sub-bands, which leads to inherent disparities b...
IEICET
2007
13 years 8 months ago
2007
Abstract—Si photonic wire waveguides are attractive for constructing various optical devices that are extremely small because the waveguides can be bent with extremely small curv...
IIE
2007
13 years 8 months ago
2007
How do we teach children to express and communicate ideas in a formal and informal mode? What type of language do they need in a concrete context? How should they determine a prope...
IIE
2007
13 years 8 months ago
2007
Although there are many high-quality models for program and evaluation planning, these models are often too intensive to be used in situations when time and resources are scarce. A...
IIE
2007
13 years 8 months ago
2007
LOGO has been evolving in incremental steps for 40 years. This has resulted in steady progress but some regions of the space of all programming languages for children cannot be re...