نتایج جستجو برای: peak detector
تعداد نتایج: 198135 فیلتر نتایج به سال:
This paper describes the hardware design and implementation of the JAWS (Just Another Watermarking System) embedder and detector for watermarking of realtime uncompressed digital video. Our design employs a Roating point datapath, maximizing dynamic range of the FIT, frame filtering, and correlation operations. The design, implemented in a l.SV, 0.18pm CMOS process with a core area of 3.53 mm2,...
HPLC method was developed for the analysis of Levo Dopa in formulations. In this method we focused on easy and more accuracy. A mixture of Acetonitrile: Methanol: orthophosphoric acid in the ratio of 30:50:20, v/v/v was prepared and used as mobile phase. The mobile phase is 6.8. The wave length of U.V detector 280 nm. We obtained a good resolution peak 2.4 min. The linearity of method is 10-25 ...
This Application Note describes the development of conventional HPLC and Rapid Resolution LC (RRLC) methods for the analysis of Buplerui (Chaihu). A comparison of fingerprint chromatograms of different Buplerui samples showed different peak profiles of different TCMs collected from different places. The method for the Agilent 1200 Series Evaporative Light Scattering Detector (ELSD) was optimize...
Methanol concentration as an aging indicator can assess cellulose and estimate degree of polymerization (DP). Despite the advantages methanol (MeOH), its major disadvantage is that in oil decreases after some time. This point called MeOH peak this article. Therefore, using when reduced leads to incorrect results. When methanol, main problem whenever a transformer measured, it cannot be identifi...
X-ray absorption spectral (XAS) analysis is performed with a combination of a 9 V dry electric battery X-ray generator and a portable Si PIN X-ray detector. The calcium K edge (4.0 keV) in paper is measured with a grazing incidence geometry, which suppressed the artifact due to the Kalpha X-ray fluorescence peak at 3.5 keV. The 9 V dry battery X-ray emitter is useful for portable XAS measurements.
New data are presented on J/ψ → ωKK from a sample of 58M J/ψ events in the upgraded BES II detector at the BEPC. There is a conspicuous signal for f0(1710) → KK and a peak at higher mass which may be fitted with f2(2150) → KK̄. From a combined analysis with ωππ data, the branching ratio BR(f0(1710) → ππ)/BR(f0(1710) → KK̄) is < 0.11 at the 95% confidence level. PACS: 13.25.Gv, 14.40.Gx, 13.40.Hq
The statistical association between the output of the Gravitational Wave (GW) detectors EXPLORER and NAUTILUS and a list of Gamma Ray Bursts (GRBs) detected by the satellite experiments BATSE and BeppoSAX has been analyzed using cumulative algorithms. GW detector data collected between 1991 and 1999 have been correlated to the GRB flux peak times. The cumulative analysis of a large number of GR...
We present π − Ξ correlation analysis in Au-Au collisions at sNN = 200 GeV and √ sNN = 62.4 GeV , performed using the STAR detector at RHIC. A Ξ (1530) resonance signal is observed for the first time in Au-Au collisions. Experimental data are compared with theoretical predictions. The strength of the Ξ peak is reproduced in the correlation function assuming that π and Ξ emerge from a system in ...
Using a sample of 58 million J/ψ events recorded in the BESII detector, the decay J/ψ → ωπ+π− is studied. There are conspicuous ωf2(1270) and b1(1235)π signals. At low ππ mass, a large broad peak due to the σ is observed, and its pole position is determined to be (541 ± 39) i (252 ± 42) MeV from the mean of six analyses. The errors are dominated by the systematic errors. PACS: 13.25.Gv, 14.40.G...
This paper proposes a new programmable RF Built-In Self-Test (BIST) circuit for 5GHz Wireless LAN. It is fabricated using 0.18-μm SiGe technology. This circuit is useful for testability of GHz-band RF IC devices in a complete RF transceiver environment. The proposed circuit helps it to provide DC output voltages and accurate phase difference. It contains two peak detectors and a phase detector....
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