Báo cáo hóa học: "A Combined Antenna Arrays and Reverse-Link

Báo cáo hóa học: "A Combined Antenna Arrays and Reverse-Link Synchronous DS-CDMA System over Frequency-Selective Fading Channels with Power Control Error" doc

... Corporation A Combined Antenna Arrays and Reverse-Link Synchronous DS-CDMA System over Frequenc y-Selective Fading Channels with Power Control Error Yong-Seok Kim Communication System Lab., School ... the DS-CDMA system insensitive to the PCE even with fewer numbers of antennas. Keywords and phrases: antenna arrays, reverse-link synchronous DS-CDM...

Ngày tải lên : 23/06/2014, 01:20

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Báo cáo hóa học: " Research Article Performance Analysis of Two-Hop OSTBC Transmission over Rayleigh Fading Channels" ppt

... Rayleigh fading channels 1/(αSNR T ) from the source antennas to the relay and the variance of Rayleigh fading channels 1/(βSNR T ) from the relay to the destination antennas are set to 0.8 and 0.9, ... M. K. Simon and M. Alouini, Digital Communication over Fading Channels, Wiley-IEEE Press, 2nd edition, 2004. [18] M. Yuksel and E. Erkip, “Multiple -antenna cooperative w...

Ngày tải lên : 21/06/2014, 11:20

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Báo cáo hóa học: " A Novel Self-aligned and Maskless Process for Formation of Highly Uniform Arrays of Nanoholes and Nanopillars" pot

... nanohole and pillar arrays over large areas on conventional positive and negative photoresist, and with a high aspect ratio. The period and diameter of the holes and pillars formed with this ... fast, economical, and compatible with current photolithography sources and photoresists, and hence it can be alternatively applied into some areas. Fig. 4 SEM images of unifo...

Ngày tải lên : 21/06/2014, 22:20

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Báo cáo hóa học: " A Combined Intensity and Gradient-Based Similarity Criterion for Interindividual SPECT Brain Scan Registration Roger Lundqvist" docx

... Journal, vol. 7, pp. 155–162, 1964. [13] J. L. R. Andersson and L. Thurfjell, “Implementation and validation of a fully automatic system for intra -and interindividual registration of PET brain ... the gradient magnitude, and relative angle values are denoted by H a , H b , H c ,andH a,b,c , respectively. Finally, i, j,andk correspond to speciﬁc histogram levels and n and m are...

Ngày tải lên : 23/06/2014, 01:20

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Báo cáo hóa học: " A Multiple-Antenna System for ISM-Band Transmission" potx

... period, s 1 and −s ∗ 2 are transmitted from antenna 1 and 2, respectively, and at the consecutive symbol period, s 2 and s ∗ 1 are transmitted from antenna 1 and 2, respectively. Let h 1 and h 2 be ... Multiple -Antenna System for ISM-Band Transmission 1409 Backplane Bus system ZBT-RAM 1M× 24 bit Xilinx XCV50E FPGA Power 1.8 V digital Power 3.3 V digital 2× AD9432 ADC...

Ngày tải lên : 23/06/2014, 01:20

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báo cáo hóa học: " A psychometric evaluation of the PedsQL™ Family Impact Module in parents of children with sickle cell disease" pptx

... of children with and without sickle cell disease. In addition, we also compared parents of children with sickle cell disease to parents of children without sickle cell disease and without other ... means and dividing by the pooled standard deviation, were done to show the magnitude of the differences between parents of children with and without sickle cell disease. Based on Heal...

Ngày tải lên : 18/06/2014, 18:20

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báo cáo hóa học: " A comparison of general and ambulance specific stressors: predictors of job satisfaction and health problems in a nationwide one-year follow-up study of Norwegian ambulance personnel" doc

... =.74), Extroversion (a =.72)andControl(a = .66). Each dimension is based on nine questions with a dichoto- mous response (0 = does not apply, 1 = applies), Table 1 Means, standard deviations and comparison ... factors reported to be associated with mental distress among health personnel are work demands (long hours, workload, and pressure), lack of control over work, and poor su...

Ngày tải lên : 20/06/2014, 00:20

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báo cáo hóa học:" A cross-sectional study of health-related quality of life deficits in individuals with comorbid diabetes and cancer" potx

... the overall HUI3 score, in respondents with self- reported diabetes and cancer compared to a reference group without diabetes or cancer. As hypothesized, we found that patients with diabetes and ... Individuals with diabetes and cancer had a clinically important and significantly lower HRQL than those with either condition alone. A better understanding of the relationship betw...

Ngày tải lên : 20/06/2014, 15:20

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báo cáo hóa học: " A comparison of conventional and retrospective measures of change in symptoms after elective surgery" pptx

... both models A and B, correlation with the change calculated with the conventional method was higher at T1 than at T2. Compared to the conventional model both models A and B also overestimated ... This overestimation of effective- ness increased with increasing time elapsed after the operation, i.e., overestimation was lower shortly after Table 4 Preoperative Total Scores Model A an...

Ngày tải lên : 20/06/2014, 15:20

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báo cáo hóa học: " A scale-based forward-and-backward diffusion process for adaptive image enhancement and denoising" pdf

... corrupted with additive Gaussian whitenoisewithdifferentnoiselevels.ThePSNRand UIQI values of the four noisy images with respect to dif- ferent noise variance are listed in Table 2. The Lena and Boat ... equation; k b and w define the range of backward diffusion, and are determined by the value of the gradient that is emphasized; a controls the ratio between the forward and back...

Ngày tải lên : 21/06/2014, 02:20

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