A high frequency quad modulus prescaler for fractional n frequency synthesizer
A high frequency quad modulus prescaler for fractional n frequency synthesizer
... remaining at High and NAND1 behaving like a NOT gate When M=‘1’, NAND2 will behave like a NOT gate and NAND1 will output ‘0’ when both q2 and q3 are at High Hence, q1 will change from high- to-low ... low-power and robust prescaler design remains as a challenge in high- frequency synthesizer design 25 CHAPTER CIRCUIT DESIGN AND IMPLEMENTATION As discussed in Chapter 2, fraction...
Ngày tải lên: 16/09/2015, 12:42
Báo cáo hóa học: " Design and Characterization of a 5.2 GHz/2.4 GHz ΣΔ Fractional-N Frequency Synthesizer for Low-Phase Noise Performance" potx
... simulations on the divider can be performed The crystal oscillator is normally a commercially available part and data on its phase noise performance is often available from the manufacturer The ΣΔ ... measured and simulated phase noise for the 3.2-3.3 GHz band The square dots are the simulated data synthesizer phase noise performance The model can serve as a design guide...
Ngày tải lên: 22/06/2014, 22:20
Báo cáo khoa học: Characterization of a high-affinity binding site for the pea albumin 1b entomotoxin in the weevil Sitophilus ppt
... susceptible insects In this work, we characterized the binding of PA1b to a proteinaceous component of a particulate fraction of S oryzae extracts The binding was saturable and reversible, and the binding ... absence of the molecular target Indeed, the absence of binding in resistant strains could be due to the absence of the target protein, or to a...
Ngày tải lên: 08/03/2014, 02:21
Báo cáo Y học: Human bile salt-stimulated lipase has a high frequency of size variation due to a hypervariable region in exon 11 pot
... feto-acinar pancreatic protein (FAPP), has been detected in human embryonic and fetal pancreas and in pancreatic tumoral cell lines [35,36] FAPP and BSSL are structurally closely related, but are ... the terminal six hydrophobic amino acids physically block a putative oxyanion hole at the active site Calculations indicated that removal of this hexapeptide exposes a large hydroph...
Ngày tải lên: 24/03/2014, 03:21
Báo cáo hóa học: "Research Article A High-Accuracy Nonintrusive Networking Testbed for Wireless Sensor Networks" pptx
... Communications and Networking network performance parameters are evaluated, for example, packet delay and loss ratio 5.1 Raw Signal Level It is fundamental for HINT to acquire the internal signals accurately ... Conference on Sensor and Ad Hoc Communications and Networks (SECON ’04), Santa Clara, Calif, USA, October 2004 [7] S Park, A Savvides, and M B Srivastava, “SensorSim: a si...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Research Article A Simplified Constant Modulus Algorithm for Blind Recovery of MIMO QAM and PSK Signals: A Criterion with Convergence Analysis" ppt
... to CMA The major advantage of SCMA is its low complexity compared to that of CMA and MMA Because, instead of using both real and imaginary parts as in CMA and MMA, only one dimension, the real ... 3E a2 R −E a4 R (13) = −κaR > 0, and κaR = E [a4 ] − 3E2 [a2 ] represents the kurtosis of the real R R parts of the symbols It is always negative in the case of PSK and QA...
Ngày tải lên: 22/06/2014, 06:20
words with a high frequency
... of a person or of an act panoply A full set of armor paragon A model of excellence pariah A member of a degraded class; a social outcast paroxysm A sudden outburst of any kind of activity parsimonious ... approbation Sanction arboreal Of or pertaining to a tree or trees ardor Intensity of passion or affection argot A specialized vocabulary peculiar to a particular group ar...
Ngày tải lên: 09/07/2014, 12:34
Development of a high frequency ambient noise data acquisition system
... the acquisitions With this feature, we are able to perform data acquisition for durations that are as long as the capacity of data storage harddisk could support 17 Figure 9: Data acquisition card, ... high frequency data acquisition system The directivity of local ambient noise was studied for the first time A single acoustic array that is compact, portable, and...
Ngày tải lên: 04/10/2015, 15:46
Báo cáo y học: "High frequency chest wall oscillation for asthma and chronic obstructive pulmonary disease exacerbations: a randomized sham-controlled clinical trial" pptx
... this article as: Mahajan et al.: High frequency chest wall oscillation for asthma and chronic obstructive pulmonary disease exacerbations: a randomized sham-controlled clinical trial Respiratory ... abbreviations BMI: Body mass index; COAT Trial: Chest Wall Oscillation for Asthma and COPD ExacerbaTions Trial; COPD: Chronic obstructive pulmonary...
Ngày tải lên: 12/08/2014, 14:20
UNLOCKING FOREST BONDS A HIGH-LEVEL WORKSHOP ON INNOVATIVE FINANCE FOR TROPICAL FORESTS docx
... Unlocking Forest Bonds: A High-Level Workshop on Innovative Finance for Tropical Forests, Workshop Report WWF Forest & Climate Initiative, Global Canopy Programme and Climate ... degradation, sustainable management of forests and conservation of forest stocks Designed by Company www.company-london.com CONTENTS SCALING UP FOREST FINANCE EXECUTI...
Ngày tải lên: 06/03/2014, 04:21
Báo cáo Y học: Substrates modulate the rate-determining step for CO binding in cytochrome P450cam (CYP101) A high-pressure stopped-flow study pdf
... heme for CO- iron bond formation appears to be ratelimiting In contrast, the CO entry into the protein and the CO migration through the protein to the heme iron favours statistically CO binding for ... that the entry of CO into the protein is the rate-limiting step of CO binding In contrast, a negative activation volume points to the Fe -CO bond f...
Ngày tải lên: 08/03/2014, 23:20
Báo cáo khoa học: "A High-Performance Semi-Supervised Learning Method for Text Chunking" pot
... already high Therefore the additional information discovered by SVD-ASO appears crucial to achieve appreciable improvements Semi-supervised Learning Method For semi-supervised learning, the idea ... predictor for problem takes the following form  ĩà ĩ ã Âĩ  This work uses a linear formulation of structural learning We rst briey review a standard linear prediction model and t...
Ngày tải lên: 23/03/2014, 19:20
Báo cáo Y học: A new high affinity binding site for suppressor of cytokine signaling-3 on the erythropoietin receptor potx
... this binding event was greater than 30 lM In this case the exact Kd value was not assessed by Scatchard analysis because the highest SOCS-3 concentration was 30 lM and a calculation by the BIAEVALUATION ... affinity by providing an additional contact with the SH2 domain of SOCS-3 involving R94 A conformational change induced by the phosphorylation of tyrosine Y4 31 may a...
Ngày tải lên: 24/03/2014, 00:21
Báo cáo khoa học: "You Can’t Beat Frequency (Unless You Use Linguistic Knowledge) – A Qualitative Evaluation of Association Measures for Collocation and Term Extraction" pot
... lexical association measures In ACL’01/EACL’01 – Proceedings of the 39th Annual Meeting of the Association for Computational Linguistics and the 10th Conference of the European Chapter of the Association ... The Balancing Act: Combining Statistical and Symbolic Approaches to Language, pages 4 9– 66 Cambridge, MA: MIT Press Stefan Evert and Brigitte Krenn 2001 Me...
Ngày tải lên: 31/03/2014, 01:20
Báo cáo Y học: Barley a-amylase Met53 situated at the high-affinity subsite )2 belongs to a substrate binding motif in the bfia loop 2 of the catalytic (b/a)8-barrel and is critical for activity and substrate specificity pot
... Y8 2TAA are in orange Other binding residues (W9AMY2, H92AMY2, T94AMY2, A9 5AMY2, Y1 30AMY2, A1 45AMY2, F180AMY2, K182AMY2, W206AMY2, S208AMY2, Y2 11AMY2, H288AMY2, Q294AMY2, M296AMY2 and Q35TAA, H 122 TAA, ... The superimpositioning was guided by the catalytic acids (D179AMY2, E204AMY2, and D289AMY2 and D206TAA, E230TAA, and D297TAA) The invariant Y5 1AMY2 and Y8...
Ngày tải lên: 31/03/2014, 08:20