نتایج جستجو برای: dsss
تعداد نتایج: 513 فیلتر نتایج به سال:
Design engineers working in the automotive industry have to take many design decisions, based on numerous diverse criteria. This results in a high workload of complex decisions. One way to reduce decision complexity and improve decisions could be to improve design tools. Decision support systems (DSSs) have been used in a managerial context to improve decisions. In this article, the authors ass...
Abstraci-A dynamic ADC sampling methodology based on error-tracking loop is proposed in this paper to improve synchronized performance in DSSS baseband transceivers. To maintain the synchronized performance the ADC sampling rate is controlled by error-tracking loop to let clock offset becomes lower. For 1.8MHz clock offset based on 44MHz ADC sampling rate the BER of DSSS baseband transceivers c...
A proper remote sensing device is required for automatic cruise control (ACC) to avoid collision in transportation system. In this paper we proposed a direct sequence spread spectrum (DSSS) radar for remote sensing in intelligent transporation system(ITS). We have successfully detected single target and through 1D radar imaging we are capable to separate multiple targets. We have also implement...
Over the past two decades, many decision support systems (DSSs) have been developed to makers and facilitate planning redevelopment process of brownfields. Existing are however often siloed in their approach do not fully capture complexity brownfield sites from a sustainable development point view. This critical review provides an insight into implementation DSSs, published emerging, together w...
Adaptive prediction iterative channel estimation is presented for combined antenna diversity and coherent rake reception of direct sequence spread spectrum (DSSS) signals. Its first stage uses pilot-aided adaptive prediction channel estimation, while the succeeding iteration stages use decision feedback and moving average filtering for channel re-estimation. The bit error rate (BER) performance...
W study the process by which model-based decision support systems (DSSs) influence managerial decision making in the context of marketing budgeting and resource allocation. We focus on identifying whether and how DSSs influence the decision process (e.g., cognitive effort deployed, discussion quality, and decision alternatives considered) and, as a result, how these DSSs influence decision outc...
Multipath dispersion and fluorescent light interference are two major problems in indoor wireless infrared communications systems. Multipath dispersion introduces intersymhol interference at data r a t e s above 10 Mhis, while fluorescent light induces severe narrowband interference to baseband modulation schemes commonly used such as OOK and PPM. This article reviews the research into the appl...
Wireless LAN for Industrial Control (IC-WLAN) provides many benefits, such as mobility, low deployment cost and ease of reconfiguration. However, the top concern is robustness of wireless communications. Wireless control loops must be maintained under persistent adverse channel conditions, such as noise, large-scale path loss,fading, and many electro-magnetic interference sources in industrial ...
Irrigation in lowland rice production systems Sub-Saharan Africa (SSA) is mainly based on traditional surface irrigation methods with continuous flooding practices. This method ends up using a lot more water that would have otherwise been used to open land and be other water-requiring sectors. Various studies suggest Alternate Wetting Drying (AWD) as an alternative practice for management reduc...
Decision support systems (DSSs) are increasingly common in forest and wildfire planning management the United States. Recent policy direction frameworks call for collaborative assessment of risk to inform fuels treatment prioritization using best available science. There numerous DSSs applicable planning, which can timely relevant information decision making, but use adoption these is inconsist...
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