For the sake of improving benefit enterprise by reducing energy waste. RSM (response surface methodology) was used to investigated cutting power wood–plastic composite at different conditions (rake angle, speed, depth cut, and flank wear). Based on experimental results, a model with high degree fitting developed, which can be predict optimal conditions. Meanwhile, effects rake wear their intera...

2 : In this paper, we present two methods to improve the performance of a mobile communication system compatible to the standard IS-95. The rst approach reduces the bit error rates by modiications of the closed-loop power control scheme. In order to overcome the detrimental effects of delayed control information, linear prediction is used. This is especially helpful at higher velocities of the ...

A novel concept of compatibility between a news article and an online microblog user is introduced, and a framework embodying the concept is proposed. The framework currently proposes to match two factors – user’s interest and user’s sentiment as reflected in the user’s microblog texts – to determine the compatibility. Using Twitter as an example, the framework is instantiated using the RAKE al...

We consider an ultra-wide bandwidth system using reduced-complexity Rake receivers, which are based on either selective (called SRake) or partial (called PRake) combining of a subset of the available resolved multipath components. We investigate the influence of the spreading bandwidth on the system performance using the two considered types of Rake receivers. We show that, for a fix number of ...

Bioretention cells are incorporated as part of low impact development LID because of their ability to release influent runoff as exfiltration to the soil or evapotranspiration to the atmosphere. However, little care is taken as to the techniques used to excavate bioretention cells, and there is little concern as to the soil-moisture condition during excavation. Certain excavation techniques and...

Unsteady helicopter rotor aerodynamics are complicated. This paper reviews some of the fundamentals and newer developments of unsteady helicopter aerodynamics. Rotor flow is beautiful and complex. Visualizing rotor flow allows for an appreciation of the following theories and solution attempts as well as nature’s complexities. The flow through a helicopter rotor with forward motion is shown in ...

Reporting crimes to the police is a two-smgep~ocess. Wctirns and familiesfirst resognize whethera crime hasoccurredand, $so, are influencedby a variety of conviderations in deciding whether to report it. In a national sample ofphysical andsexuel assaults againstjuveniles. recognilion of the assault ar a crime war more likely for episodes inwlving adolescent (vs. preadoiescent) victirns, adult a...

We propose to combine directional antennas in a conformal array configuration with a matching two-stage receiver architecture to improve performance of code-division multiple-access (CDMA) communication systems in time-varying channels. We propose a reduced-dimension space–time (ST) RAKE architecture that matches the ST correlation structure of the data received by a circular array. In time-var...