نتایج جستجو برای: cannot be removed via dual frequency receiver observations
تعداد نتایج: 5245050 فیلتر نتایج به سال:
The objective of this paper is to assess and compare the capability of P code and high performance C/A code receiver technologies for survey launch positioning at sea water to the sub-metre level. The receivers used to assess these technologies are the dual frequency Ashtech P-XII and the single frequency NovAtel GPSCardrM. Sea trials were conducted at velocities of 10 to 15 knots using both re...
chapter two presents three m-admissible function algebras ab, bd, and sl, to construct the universal abelian, band, and semilattice compactifications, respectively. the main results are (11.3), (12.3), and (12.4). some inclusion relationships between these function algebras and the other well-known ones, presented in section 8, are made via the devico of compactifications. chpter three is about...
Abstruct: Standard spread-spectrum techniques encounter a severe performance loss under channels with large doppler spread. It is shown that the novel spreadspectrum technique, called multi-canier (MC) CDMA, is dual to direct-sequence CDMA. This enables to derive that MC-CDMA is a signalling technique which allows optimum detection under severe doppler spread. The receiver for this is a RAKE re...
In asynchronous CDMA systems, transmission over frequency-selective channels subjects the signal to interchip interference and intersymbol interference, both of which cause multiple access interference (MAI). MAI cannot be easily eliminated without the knowledge of the channel parameters. Both blind adaptive and subspace based multiuser receivers have been proposed to eliminate the interference...
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