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Artykuły w czasopismach na temat „Double Data Rate”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Psarras, Anastasios, Savvas Moisidis, Chrysostomos Nicopoulos, and Giorgos Dimitrakopoulos. "Networks-on-Chip With Double-Data-Rate Links." IEEE Transactions on Circuits and Systems I: Regular Papers 64, no. 12 (2017): 3103–14. http://dx.doi.org/10.1109/tcsi.2017.2734689.

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Xu, Jiang, Wayne Wolf, and Wei Zhang. "Double-Data-Rate, Wave-Pipelined Interconnect for Asynchronous NoCs." IEEE Micro 29, no. 3 (2009): 20–30. http://dx.doi.org/10.1109/mm.2009.40.

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Iijima, Yosuke, and Yasushi Yuminaka. "Multi-Valued PAM-N Data Transmission Using Double-Rate Tomlinson-Harashima Precoding." Applied Mechanics and Materials 888 (February 2019): 59–65. http://dx.doi.org/10.4028/www.scientific.net/amm.888.59.

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This paper presents an evaluation of double-rate Tomlinson-Harashima precoding in multi-valued PAM-N data transmission. In order to eliminate an intersymbol interference of interconnections in VLS system, Tomlinson-Harashima precoding (THP) is very useful for limiting the peak and average power of the transmitter. To expand the eye-opening at a receiver in multi-valued data transmission, we proposed a new equalization technique by using double-rate THP. In this paper, to evaluate the performance of the double-rate THP, we show the simulation results of the double-rate THP in various PAM-N data

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4

IIJIMA, Yosuke, and Yasushi YUMINAKA. "Double-Rate Tomlinson-Harashima Precoding for Multi-Valued Data Transmission." IEICE Transactions on Information and Systems E100.D, no. 8 (2017): 1611–17. http://dx.doi.org/10.1587/transinf.2016lop0014.

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5

Maistri, Paolo, and Régis Leveugle. "Double-Data-Rate Computation as a Countermeasure against Fault Analysis." IEEE Transactions on Computers 57, no. 11 (2008): 1528–39. http://dx.doi.org/10.1109/tc.2008.149.

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Feng Lin, J. Miller, A. Schoenfeld, M. Ma, and R. J. Baker. "A register-controlled symmetrical DLL for double-data-rate DRAM." IEEE Journal of Solid-State Circuits 34, no. 4 (1999): 565–68. http://dx.doi.org/10.1109/4.753691.

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7

Ping Gui, F. E. Kiamilev, Xiaoqing Wang, et al. "A source-synchronous double-data-rate parallel optical transceiver IC." IEEE Transactions on Very Large Scale Integration (VLSI) Systems 13, no. 7 (2005): 833–42. http://dx.doi.org/10.1109/tvlsi.2005.850101.

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8

Sun, Haiyan, Dongqing Cang, Qi Zhang, Jicong Zhao, and Zhikuang Cai. "Heat Dissipation Capability of Stagger-Stacked Double Data Rate Module." Electronics 13, no. 9 (2024): 1775. http://dx.doi.org/10.3390/electronics13091775.

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In this study, we introduce a stagger-stacked DDR module that comprises one IPD chip (top die) along with four memory chips initially. The steady-state thermal characteristics of this configuration were empirically assessed using a dedicated thermal test vehicle. The purpose of this research is to investigate the module’s junction temperature by adjusting four factors: the thermal conductivity of the molding plastic, chip thickness, chip misalignment length, and the thermal conductivity of the adhesive film. We observed that the junction temperature decreases with an increase in the chip stagg

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9

Sherratt, R., and Oswaldo Cadenas. "A double data rate architecture for OFDM based wireless consumer devices." IEEE Transactions on Consumer Electronics 56, no. 1 (2010): 23–26. http://dx.doi.org/10.1109/tce.2010.5439121.

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10

Pfahlberg, A., O. Gefeller, and R. Weißbach. "Double-smoothing in Kernel Hazard Rate Estimation." Methods of Information in Medicine 47, no. 02 (2008): 167–73. http://dx.doi.org/10.3414/me0447.

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Summary Objectives: In oncological studies, the hazard rate can be used to differentiate subgroups of the study population according to their patterns of survival risk over time. Nonparametric curve estimation has been suggested as an exploratory means of revealing such patterns. The decision about the type of smoothing parameter is critical for performance in practice. In this paper, we study data-adaptive smoothing. Methods: A decade ago, the nearest-neighbor bandwidth was introduced for censored data in survival analysis. It is specified by one parameter, namely the number of nearest neighb

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11

Zhou, Yubo, and Xun Chen. "Data reduction strategy in the PandaX-4T experiment." Journal of Instrumentation 19, no. 05 (2024): P05029. http://dx.doi.org/10.1088/1748-0221/19/05/p05029.

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Abstract The PandaX-4T experiment is designed for multiple purposes, including searches for solar neutrinos, weakly interacting massive particles, and rare double beta decays of xenon isotopes. The experiment produces a huge amount of raw data that needs to be stored for related physical analyses in a wide energy range. With the upgrading of the PandaX-4T experiment, the doubled sampling rate resulted in a larger data size, which challenges both the cost and the data processing speed. To address this issue, we propose a data reduction strategy by removing the noise tail of large signals and do

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12

Mandavi, Katare*1 &. Ass. Pro. Ankit Chouhan2. "A REVIWE ARTICLE OF SDRAM DESIGN WITH NECESSORY CRITERIA OF DDR CONTROLLER." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 6 (2017): 333–37. https://doi.org/10.5281/zenodo.809195.

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Double Data Rate Synchronous DRAM (DDR SDRAM) has become a mainstream memory of choice in design due to its speed, burst access and pipeline features. The DDR SDRAM is an enhancement to the conventional SDRAM running at bus speed over 75MHz. The DDR SDRAM (referred to as DDR) doubles the bandwidth of the memory by transferring data twice per cycle on both the rising and falling edges of the clock signal. The designed DDR Controller supports data width of 64 bits, Burst Length of 4 and CAS (Column Address Strobe) latency of 2. DDR Controller provides a synchronous command interface to the DDR S

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13

Rajesh, Gurram, K. Srinivasa Reddy, and U. Srinivasa Rao. "ASIC Design Methodology & Implementation of Double Data Rate (DDR) SDRAM Controller." IOSR Journal of Electronics and Communication Engineering 9, no. 4 (2014): 62–67. http://dx.doi.org/10.9790/2834-09446267.

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14

Khan, V. A., C. Stevens, M. A. Wilson, et al. "Effect of Three Different Planting Patterns on the Yield of Four Sweetpotato [Ipomoea batatas (L.) Lam] Cultivars." HortScience 32, no. 4 (1997): 599C—599. http://dx.doi.org/10.21273/hortsci.32.4.599c.

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In 1995 a study was conducted in split-split-plot design to determine the effect of single, double, and equilateral planting configurations with a single and double recommended rate of fertilizer (NPK), would have on the yield of four sweetpotato cultivars. TU-1892, Jewel, TU-82-155, and Georgia Jet were planted on a raised shaped bed 2 ft wide. Fertilizer was banded in the center of the bed and plants were then placed 6 inches away on both sides of this band for the double and equilateral configurations and on one side for the single configuration. Plants were spaced 12 inches apart within ro

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15

Joseph, Aneesh, Praghalathan Kanthakumar, and Elizabeth Tharion. "Exponential modelling of heart rate recovery after a maximal exercise." Indian Journal of Physiology and Pharmacology 67 (July 1, 2023): 125–30. http://dx.doi.org/10.25259/ijpp_122_2022.

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Objectives: Heart rate recovery (HRR) after exercise is clinically important as a predictor of mortality. In addition, HRR is an indicator of cardiac autonomic activity, since increased vagal activity and diminished sympathetic activity return the heart rate to resting conditions after exercise. The previous attempts to model HRR using polynomial, first-order and second-order modelling have produced mixed results. In this study, we hypothesised that the double-exponential fit would model the HRR more accurately than the single-exponential fit as it would capture the activity of both autonomic

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16

KIM, Dong, Kwanhu BANG, Seung-Hwan HA, Chanik PARK, Sung Woo CHUNG, and Eui-Young CHUNG. "Solid-State Disk with Double Data Rate DRAM Interface for High-Performance PCs." IEICE Transactions on Information and Systems E92-D, no. 4 (2009): 727–31. http://dx.doi.org/10.1587/transinf.e92.d.727.

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17

Kloareg, Maela, and David Causeur. "Double Sampling Designs to Reduce the Non-discovery Rate: Application to Microarray Data." Journal of Data Science 7, no. 2 (2021): 219–34. http://dx.doi.org/10.6339/jds.2009.07(2).452.

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18

Arzo, Ahmed Shayla Naznin Md. Deluar Jahan Moloy. "Modeling and Forecasting of Time Series Data using Different Techniques." Multicultural Education 7, no. 11 (2021): 474. https://doi.org/10.5281/zenodo.5730512.

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<em>Currency is an important economic indicator. The indicator has some significant impact on the development of a country. A few key models have been suggested to improve the accuracy and efficiency of modeling and predict time series. This study examines the effects of currency exchange rate under Random Walk Model, Single Exponential Smoothing, Double Exponential Smoothing and Holt-Winter Models and the forecasting performances of the models are judged by the measure of accuracy both symmetric and asymmetric loss functions are used Mean Square Error (MSE), Mean Absolute Deviation (MAD) and

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19

Meghna, Sangtani Shannon Michelle D'souza Mriganka Harsh Satish Chander *P. Vijaya. "IMPLEMENTATION CHALLENGES INVOLVED IN BIG DATA ANALYTICS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 10 (2016): 834–40. https://doi.org/10.5281/zenodo.163317.

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Big Data is probably the most talked-about topic in the IT world today. Currently, information is produced and stored at a rapidly exceeding rate. According to the current analysis, there are over 2 billion internet users and almost the double who own mobile phones. It is predicted that by 2020 the data produced will be nearly 44 times greater than that today. As the data is generated every second by everything around us, the volume of data increases simultaneously, and with this come numerous challenges in handling such large data sets, such as the increasing volume of data, transfer speed, h

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20

Yarmolenko, Mykhaylo V. "Intermetallics Disappearance Rate Analysis in Double Multiphase Systems." Defect and Diffusion Forum 407 (March 2021): 68–86. http://dx.doi.org/10.4028/www.scientific.net/ddf.407.68.

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Electric corrosion of aluminium and copper is investigated experimentally. It is found that the electric corrosion of copper is higher than the electric corrosion of aluminium. It is also clarified that the intrinsic diffusion coefficient of Cu is higher than the intrinsic diffusion coefficient of Al in each phase, so inert markers move to Cu. Copper has a higher electric conductivity, higher thermal conduction, and lower material cost than gold, so it is possible to use Cu instead of Au for wire bonding in microelectronics packaging, because the thin Al pad (1.2 μm thickness) can prevent gold

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21

Munir, Muhammad Fahad, Abdul Basit, Wasim Khan, et al. "Hybrid FSK–FDM Scheme for Data Rate Enhancement in Dual-Function Radar and Communication." Sensors 23, no. 12 (2023): 5440. http://dx.doi.org/10.3390/s23125440.

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In this paper, we present a hybrid frequency shift keying and frequency division multiplexing (i.e., FSK–FDM) approach for information embedding in dual-function radar and communication (DFRC) design to achieve an improved communication data rate. Since most of the existing works focus on merely two-bit transmission in each pulse repetition interval (PRI) using different amplitude modulation (AM)- and phased modulation (PM)-based techniques, this paper proposes a new technique that doubles the data rate by using a hybrid FSK–FDM technique. Note that the AM-based techniques are used when the co

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22

Hongil Yoon, Gi-Won Cha, Changsik Yoo, et al. "A 2.5-V, 333-Mb/s/pin, 1-Gbit, double-data-rate synchronous DRAM." IEEE Journal of Solid-State Circuits 34, no. 11 (1999): 1589–99. http://dx.doi.org/10.1109/4.799867.

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23

Li, Shaomin, Haoyu Wei, and Xiaoyu Lei. "Heterogeneous Overdispersed Count Data Regressions via Double-Penalized Estimations." Mathematics 10, no. 10 (2022): 1700. http://dx.doi.org/10.3390/math10101700.

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Recently, the high-dimensional negative binomial regression (NBR) for count data has been widely used in many scientific fields. However, most studies assumed the dispersion parameter as a constant, which may not be satisfied in practice. This paper studies the variable selection and dispersion estimation for the heterogeneous NBR models, which model the dispersion parameter as a function. Specifically, we proposed a double regression and applied a double ℓ1-penalty to both regressions. Under the restricted eigenvalue conditions, we prove the oracle inequalities for the lasso estimators of two

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24

Makarov, Valeri V., and Nathan J. Secrest. "A Catalog of Candidate Double and Lensed Quasars from Gaia and WISE Data." Astrophysical Journal Supplement Series 264, no. 1 (2022): 4. http://dx.doi.org/10.3847/1538-4365/ac97f0.

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Abstract Making use of strong correlations between closely separated multiple or double sources and photometric and astrometric metadata in Gaia Early Data Release 3 (EDR3), we generate a catalog of candidate double- and multiply imaged lensed quasars and active galactic nuclei (AGNs), comprising 3140 systems. It includes two partially overlapping parts: a sample of distant (redshifts mostly greater than 1) sources with perturbed data; and systems that have been resolved into separate components by Gaia at separations less than 2″. For the first part, which is roughly one-third of the publishe

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25

Hu, Han, Jiye Qiu, Hongzhi Wang, Bin Liang, and Songling Zou. "DIDS: Double Indices and Double Summarizations for Fast Similarity Search." Proceedings of the VLDB Endowment 17, no. 9 (2024): 2198–211. http://dx.doi.org/10.14778/3665844.3665851.

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Data series has been one of the significant data forms in various applications. It becomes imperative to devise a data series index that supports both approximate and exact similarity searches for large data series collections in high-dimensional metric spaces. The state-of-the-art works employ summarizations and indices to reduce the accesses to the data series. However, we discover two significant flaws that severely limit performance enhancement. Firstly, the state-of-the-art works often employ segment-based summarizations, whose lower bound distances decrease significantly when representin

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Smirnova, Alexandra, Linda DeCamp, and Gerardo Chowell. "Mathematical and Statistical Analysis of Doubling Times to Investigate the Early Spread of Epidemics: Application to the COVID-19 Pandemic." Mathematics 9, no. 6 (2021): 625. http://dx.doi.org/10.3390/math9060625.

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Simple mathematical tools are needed to quantify the threat posed by emerging and re-emerging infectious disease outbreaks using minimal data capturing the outbreak trajectory. Here we use mathematical analysis, simulation and COVID-19 epidemic data to demonstrate a novel approach to numerically and mathematically characterize the rate at which the doubling time of an epidemic is changing over time. For this purpose, we analyze the dynamics of epidemic doubling times during the initial epidemic stage, defined as the sequence of times at which the cumulative incidence doubles. We introduce new

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27

Jaafar, Zuharah, and Norazlina Ismail. "Variable Selection in High Dimensional Data with Interactions." International Journal of Advances in Soft Computing and its Applications 14, no. 2 (2022): 153–66. http://dx.doi.org/10.15849/ijasca.220720.11.

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A common research area in statistical machine learning has been variable selection in high dimensional settings. In recent years, numerous effective approaches have been created to deal with these challenges. In order to improve the prediction accuracy of the model for the given dataset, this study sought to present a double approach variable selection method when pairwise interactions between the explanatory variables exist and to choose the smallest explanatory variable set (considering interactions among them). In this study, a double step method consolidating Random Forest and Adaptive Ela

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Wu, Sheng, Yifeng Huang, Pingping Zhang, et al. "Study on the inductively coupled high rate system and long-distance transmission." Journal of Physics: Conference Series 2718, no. 1 (2024): 012087. http://dx.doi.org/10.1088/1742-6596/2718/1/012087.

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Abstract The inductively coupled transmission chain can carry multiple Marine sensors, which is an important means to obtain Marine data, but the current transmission rate of inductively coupled data is low, which can not meet the needs of future Marine data transmission. The induction coupling system designed in this paper adopts the structure of double magnetic loop and a double-winding, and adopts the new single frequency different code algorithm to realize the data transmission rate of 150kbps. Different water environments were set up in the laboratory for testing, and the lower bit error

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29

Stanley, G., D. Verotta, N. Craft, R. A. Siegel, and J. B. Schwartz. "Age and autonomic effects on interrelationships between lung volume and heart rate." American Journal of Physiology-Heart and Circulatory Physiology 270, no. 5 (1996): H1833—H1840. http://dx.doi.org/10.1152/ajpheart.1996.270.5.h1833.

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To determine effects of aging and autonomic input on interrelationships between respiratory and heart rate variability, we collected 5 min of lung volume of R-R interval data from 7 young [27 +/- 3(SD) yr] and 10 older (69 +/- 6 yr) healthy supine humans before and after double pharmacological autonomic blockade with propranolol (0.2 mg/kg iv) and atropine (0.04 mg/kg iv). Estimates of respiratory and heart rate power spectra and linear transfer functions between the two groups were generated by Fourier analysis. Age, double blockade effects, the age-drug interactions were determined by analys

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Anggraeni, Wulan. "PERBANDINGAN METODE FUZZY TIME SERIES HSU DAN DOUBLE EXPONENTIAL SMOOTHING PADA PERAMALAN NILAI TUKAR RUPIAH TERHADAP DOLAR AMERIKA." Jurnal Riset Manajemen dan Bisnis (JRMB) Fakultas Ekonomi UNIAT 1, no. 2 (2016): 153–62. http://dx.doi.org/10.36226/jrmb.v1i2.19.

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The purpose of this study is to determine which accuracy is better between fuzzy time series method and Holt double exponential smoothing method. The data used is daily published rupiah exchange rate of Bank Indonesia in the period of 1 April 2016 until 17 june 2016. After being calculated, the error rate fuzzy time series Hsu method is at 0,6 %, while the error rate holt double exponential smoothing method is at 2,25%. Based on the calculation, it can be concluded that the error rate forecasting rupiah exchange rate using fuzzy time series method is lower than the holt double exponential smoo

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Sang-Bo Lee, Seong-Jin Jang, Jin-Seok Kwak, et al. "A 1.6-Gb/s/pin double data rate SDRAM with wave-pipelined CAS latency control." IEEE Journal of Solid-State Circuits 40, no. 1 (2005): 223–32. http://dx.doi.org/10.1109/jssc.2004.837983.

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Zhu, Jingyang, Zhiliang Qian, and Chi-Ying Tsui. "BiLink: A high performance NoC router architecture using bi-directional link with double data rate." Integration 55 (September 2016): 30–42. http://dx.doi.org/10.1016/j.vlsi.2016.02.006.

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FURUTANI, K. "Highly Flexible Row and Column Redundancy and Cycle Time Adaptive Read Data Path for Double Data Rate Synchronous Memories." IEICE Transactions on Electronics E88-C, no. 2 (2005): 255–63. http://dx.doi.org/10.1093/ietele/e88-c.2.255.

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Li, Haiyang, Guigen Nie, Shuguang Wu, and Yuefan He. "Sequential Ambiguity Resolution Method for Poorly-Observed GNSS Data." Remote Sensing 13, no. 11 (2021): 2106. http://dx.doi.org/10.3390/rs13112106.

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Integer ambiguity resolution is required to obtain precise coordinates for the global navigation satellite system (GNSS). Poorly observed data cause unfixed integer ambiguity and reduce the coordinate accuracy. Previous studies mostly used denoise filters and partial ambiguity resolution algorithms to address this problem. This study proposes a sequential ambiguity resolution method that includes a float solution substitution process and a double-difference (DD) iterative correction equation process. The float solution substitution process updates the initial float solution, while the DD itera

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Qi, Bei, and Yun Feng Dong. "A New Model of Intrusion Detection Based on Data Warehouse and Data Mining." Advanced Materials Research 383-390 (November 2011): 303–7. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.303.

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Now, security of network is threaten from double layers inside and outside network, the inherent defect of firewall technology makes the intrusion detection and network traffic analysis as the main means of defense, aiding firewall. Now network intrusion detection have problem of higher false alarm rate, we apply the data warehouse and the data mining in intrusion detection and the technology of network traffic monitoring and analysis, propose a new model of intrusion detection based on the data warehouse and the data mining. The experimental result indicates this model can find effectively ma

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Patil, Deepak. "Single versus double intrauterine insemination to assess the relevance of double intrauterine insemination: a prospective, randomized multicentric study." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 10, no. 6 (2021): 2459. http://dx.doi.org/10.18203/2320-1770.ijrcog20212193.

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Background: Intrauterine insemination (IUI) is a widely used tool as initial treatment option for infertile couples. Being a non-invasive, outpatient department (OPD) based procedure it serves as first modality of assisted reproductive technique. Overtime various modifications in stimulation protocol, sperm preparation techniques and variation in timing has been attempted to improve upon the success rates.Methods: We conducted a multicentric, prospective randomized study and assessment of data of double IUI at three tertiary care centers of armed forces. The data was evaluated to study the pat

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Vadym, Kovalenko, Borysenko Anastasiia, Kotok Valerii, Nafeev Rovil, Verbitskiy Volodymyr, and Melnyk Olena. "Determination of technological parameters of Zn-Al layered double hydroxides, as a matrix for functional anions intercalation, under different synthesis conditions." Eastern-European Journal of Enterprise Technologies 2, no. 6 (116) (2022): 25–32. https://doi.org/10.15587/1729-4061.2022.254496.

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Layered double hydroxides, especially Zn-Al, are valuable bases for intercalating various functional anions: dyes, drugs, food additives, etc. For purposeful development and optimization of the synthesis technology of functional materials based on Zn-Al layered double hydroxides, the technological parameters of Zn-Al nitrate layered double hydroxide samples (Zn:Al=4:1) synthesized at solution flow rates of 0.8 and 1.6 l/h, pH=7, 8, 9, 10 and t=10, 20, 30, 40, 50 and 60 °C were determined. The yield values of the samples were determined by the gravimetric method. The sedimentation

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Savastiouk, Vladimir, Henri Diémoz, and C. Thomas McElroy. "A physically based correction for stray light in Brewer spectrophotometer data analysis." Atmospheric Measurement Techniques 16, no. 20 (2023): 4785–806. http://dx.doi.org/10.5194/amt-16-4785-2023.

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Abstract. Brewer ozone spectrophotometers have become an integral part of the global ground-based ozone monitoring network collecting data since the early 1980s. The double-monochromator Brewer version (MkIII) was introduced in 1992. With the Brewer hardware being so robust, both single- and double-monochromator instruments are still in use. The main difference between the single Brewers and the double Brewers is the much lower stray light in the double instrument. Laser scans estimate the rejection level of the single Brewers to be 10−4.5, while the doubles improve this to 10−8, virtually eli

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Zhang, Wei, Ning Li, Zhiming Guo, Lei Kang, Xingyu Zhu, and Jun Qiu. "Fault Rate Estimation of Electric Energy Meter Based on WDPOD-NHBM." Journal of Physics: Conference Series 2400, no. 1 (2022): 012012. http://dx.doi.org/10.1088/1742-6596/2400/1/012012.

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Abstract To solve the problems of the small amount of sample information in the original failure rate data of smart energy meters and the difficulty of mining under typical environmental stress, a smart energy meter failure rate prediction and reliability evaluation model based on double precision combined with nonlinear hierarchical Bayes is proposed. First, the KNN algorithm is used to test the outliers in the original data, and a double-precision outlier detection algorithm is further established to assign the weight to outliers. Then, a nonlinear hierarchical Bayesian model is built based

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Zhang, Shuang Biao, Xing Cheng Li, Zhong Su, and Liang Yu Zhao. "Research on Spiral Motion of Guided Projectiles Based on Flight Data." Applied Mechanics and Materials 229-231 (November 2012): 638–43. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.638.

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To investigate the realistic spiral motion of a spinning guided projectile, a novel analysis method based on flight data is proposed and further applied. A mathematical model of spiral motion is derived in body coordinate system firstly, and the procedures of the novel method are then described in detail. The spiral motion can be induced by non-zero velocity and rotation rate along the longitudinal axis with at least one non-zero velocity and rotation rate along transverse axes. In the case of non-zero velocities and rotation rates exerted along triple axes, it is observed that the spiral moti

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Morini, Giorgio, Fernando López-Gatius, Irina Garcia-Ispierto, and Fabio De Rensis. "Effect of Utilization of Single or Double Prostaglandin Administration Within an Ovsynch Fixed-Time Artificial Insemination Protocol During Summer Season in Dairy Cows." Annals of Animal Science 19, no. 3 (2019): 725–31. http://dx.doi.org/10.2478/aoas-2019-0022.

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AbstractThis study investigated the fertility of dairy cows during summer season after treatment with a single or double PGF2α in a progesterone (P4)-based Ovsynch protocol for fixed-time artificial insemination (FTAI). The data were compared to a treatment effectuated during winter season. Two groups of 60 dairy cows each were randomly assigned on day 60 post-partum to single PGF2α or double PGF2α group. At removal of the P4 treatment the single PGF2α group received a single dose and the double PGF2α group received two doses of PGF2α at 24 hours apart. In each group, 30 cows were treated duri

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Chen, Xian, and Fukun Liu. "Relationship between X-shaped radio sources and double-double radio galaxies." Proceedings of the International Astronomical Union 2, S238 (2006): 341–42. http://dx.doi.org/10.1017/s1743921307005352.

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AbstractBoth the X-shaped radio galaxies and double-double radio galaxies (DDRGs) are suggested in the literature to be due to the binary-accretion disk interaction or to the coalescence of SMBBHs. These models suggest some relationship between the two types of radio sources. In this paper, we collected data from literatures for two samples of X-shaped and double-double radio galaxies together with a control sample of FRII radio galaxies and statistically investigate their properties.We find that the wings of X-shaped radio galaxies and the outer and inner lobes of DDRGs tend to be perpendicul

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Chhatkuli, Daya Nidhi, Sanjaya Paudel, and Binil Aryal. "Study of Star Formation Rate and Metallicity of an Interacting Dwarf Galaxy NGC 2604." Journal of Institute of Science and Technology 25, no. 2 (2020): 55–60. http://dx.doi.org/10.3126/jist.v25i2.33736.

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We present a study of the Sloan Digital all Sky Survey Data Release 12 (SDSS DR12) optical spectra of an interacting dwarf galaxy NGC 2604 that has redshift 0.0069. Thirteen characteristic emission lines were identified in the wavelength range of 3885 Å to 6742 Å, the strongest line was due to Hα emission with a value of emission-line flux 1538.8 erg/s/cm2/Å. The other twelve emission lines were observed because of OI doublet, Hβ, Hγ, Hδ, OIII doublet, HeI, SII doublet and NII doublet transitions. Eleven characteristic lines agreed perfectly with the Gaussian distribution with greater than 99.

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Park, Byeung-Kwan, Mi-Rae Kim, and Hyo-Jong Kim. "Design of Variable Data Transfer Rate Asymmetric TDD System Using Turbo Decoder with Double Buffer Controller." Journal of the Korean Society for Aeronautical & Space Sciences 47, no. 2 (2019): 161–68. http://dx.doi.org/10.5139/jksas.2019.47.2.161.

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Sever, Nadiye, Fatih Şimşek, İlknur Deliktaş Onur, et al. "Prognostic Factors in High Grade Osteosarcoma Patients Who Received Neoadjuvant Therapy and Subsequently Underwent Surgery: Data from the Turkish Oncology Group." Journal of Clinical Medicine 14, no. 6 (2025): 2024. https://doi.org/10.3390/jcm14062024.

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Background: Osteosarcoma is a rare but aggressive bone malignancy. Despite advances in multimodal therapy, survival remains suboptimal, highlighting the need for prognostic markers to guide treatment. Methods: This study included 162 osteosarcoma patients who received neoadjuvant chemotherapy followed by surgery between January 2009 and March 2024. Patients received either double (cisplatin + doxorubicin) or triple (MAP or PEI) chemotherapy. Survival analyses were conducted using Kaplan–Meier curves, log-rank tests, and Cox proportional hazards models. Results: The median age was 20 years (IQR

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Polat, Mehtap, Sezcan Mumusoglu, Irem Yarali Ozbek, Gurkan Bozdag, and Hakan Yarali. "Double or dual stimulation in poor ovarian responders: where do we stand?" Therapeutic Advances in Reproductive Health 15 (January 2021): 263349412110241. http://dx.doi.org/10.1177/26334941211024172.

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Recent advances in our recognition of two to three follicular waves of development in a single menstrual cycle has challenged the dogmatic approach of ovarian stimulation for in vitro fertilization starting in the early follicular phase. First shown in veterinary medicine and thereafter in women, luteal phase stimulation–derived oocytes are at least as competent as those retrieved following follicular phase stimulation. Poor ovarian responders still remain a challenge for many decades simply because they do not respond to ovarian stimulation. Performing follicular phase stimulation and luteal

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Kovalenko, Vadym, Anastasiia Borysenko, Valerii Kotok, Rovil Nafeev, Volodymyr Verbitskiy, and Olena Melnyk. "Determination of technological parameters of Zn-Al layered double hydroxides, as a matrix for functional anions intercalation, under different synthesis conditions." Eastern-European Journal of Enterprise Technologies 2, no. 6 (116) (2022): 25–32. http://dx.doi.org/10.15587/1729-4061.2022.254496.

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Layered double hydroxides, especially Zn-Al, are valuable bases for intercalating various functional anions: dyes, drugs, food additives, etc. For purposeful development and optimization of the synthesis technology of functional materials based on Zn-Al layered double hydroxides, the technological parameters of Zn-Al nitrate layered double hydroxide samples (Zn:Al=4:1) synthesized at solution flow rates of 0.8 and 1.6 l/h, pH=7, 8, 9, 10 and t=10, 20, 30, 40, 50 and 60 °C were determined. The yield values of the samples were determined by the gravimetric method. The sedimentation rate was stud

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Zumofen, Daniel, Luca Regli, Marc Levivier, and Niklaus Krayenbühl. "CHRONIC SUBDURAL HEMATOMAS TREATED BY BURR HOLE TREPANATION AND A SUBPERIOSTAL DRAINAGE SYSTEM." Neurosurgery 64, no. 6 (2009): 1116–22. http://dx.doi.org/10.1227/01.neu.0000345633.45961.bb.

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Abstract OBJECTIVE Most symptomatic chronic subdural hematomas are treated by subdural drainage. However, a subperiostal (i.e., extracranial) passive closed-drainage system in combination with double burr hole trepanation is used at our institution. Therefore, we wanted to analyze our results and compare them with the alternate treatment strategies reported in the current literature. METHODS In a retrospective single-center study, we analyzed the data of all patients undergoing double burr hole trepanation with a subperiostal passive closed-drainage system. Data analysis included general patie

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Zhang, Huiguo, Xijian Hu, and Yitong Li. "An Application Of Double Hierarchical Generalized Linear Model To Infant Mortality Rates In China." Chiang Mai Journal of Science 52, no. 1 (2025): 1–13. https://doi.org/10.12982/cmjs.2025.001.

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High infant mortality rate is still a worldwide problem and the situation is even worse in some developing countries or regions with political instability, low economic levels and epidemic diseases. In addition, some studies have shown that infant mortality rate affects fertility rate, so it is important to reduce the infant mortality rate when China’s population has already started to grow negatively in 2022. Infant mortality rate is a discrete count data. This kind of data usually does not follow the basic assumption of normality, so the use of ordinary linear regression models on it may pro

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Gao, Guangyong, Zhao Feng, and Tingting Han. "Data Authentication for Wireless Sensor Networks with High Detection Efficiency Based on Reversible Watermarking." Wireless Communications and Mobile Computing 2021 (June 28, 2021): 1–13. http://dx.doi.org/10.1155/2021/6651137.

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Data authentication is an important part of wireless sensor networks (WSNs). Aiming at the problems of high false positive rate and poor robustness in group verification of existing reversible watermarking schemes in WSNs, this paper proposes a scheme using reversible watermarking technology to achieve data integrity authentication with high detection efficiency (DAHDE). The core of DAHDE is dynamic grouping and double verification algorithm. Under the condition of satisfying the requirement of the group length, the synchronization point is used for dynamic grouping, and the double verificatio

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