capacitor selection for crystal oscillator
AN0826 crystal oscillator basics and crystal selection for rfPICTM and PICmicro® devices
Ngày tải lên :
11/01/2016, 14:27
... 12: SIMPLIFIED CRYSTAL OSCILLATOR CIRCUIT WITHOUT RF GROUND Pierce Crystal Oscillator The Pierce crystal oscillator (Figure 13) is a series resonant circuit for Fundamental mode crystals It oscillates ... circuit oscillators Not surprisingly, the crystal will appear inductive in the circuit Recall the crystal s equivalent circuit of Figure when reviewing crystal oscillator operation Crystal Oscillator ... version FIGURE 16: COLPITTS CRYSTAL OSCILLATOR This tells the crystal manufacturer how the crystal will be used in the oscillator circuit Series resonant crystals are used in oscillator circuits that...
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Efficient core selection for multicast routing in mobile ad hoc networks
Ngày tải lên :
23/11/2012, 15:03
... networks maintain only approximate and minimal topology information, and therefore designing a center selection heuristics require more precise information than what is available The median of a tree ... most desirable scheme is that the core selection procedure is based on local topology information, which let information easily gathered at each node This core selection strategy is based on the ... Language Peer-to-MANET Protocol Independent Multicast Protocol for unified multicasting through announcement Requests for Comments Reverse Path Forwarding Sparse Mode Shortest Path First Shortest Path...
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Tài liệu Data Center—Site Selection for Business Continuance ppt
Ngày tải lên :
10/12/2013, 16:16
... This document is for intended for network design architects and support engineers who are responsible for planning, designing, implementing, and operating networks Chapter 1—Site Selection Overview ... data and its full recovery and availability for use For example, if data from a sales order is lost, it represents a loss for the business unless the information is recovered and processed in time ... past, applications were tailored for a specific operating system or hardware platform It is common today for organizations to migrate legacy applications to newer platforms and systems that follow...
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Báo cáo "Photochemical smog introduction and episode selection for the ground-level ozone in Hanoi, Vietnam " docx
Ngày tải lên :
05/03/2014, 16:20
... the main cause for the increase of pollutants in the atmosphere over the last three centuries Before 1950, the majority of this pollution was created from the burning of coal for energy generation, ... the eyes, causing them to water and sting 2.1 Condition for photochemical smog development of Certain conditions are required for the formation of photochemical smog These conditions include: ... daily variation in the key chemical factors in photochemical smog formation 171 Fig Generalized reaction scheme for photochemical smog formation (source: [3]) Based on the graphs in Fig 1, some suggestions...
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Gene Selection for Cancer Classification using Support Vector Machines pot
Ngày tải lên :
06/03/2014, 00:22
... search It can be used, for instance, for forward feature selection (progressively adding features), a strategy recently used, for example, in (Smola, 2000) VI.4 Other SVM feature selection methods ... composition and mentions “smooth muscle” in its description ranks for the baseline method, for LDA, for MSE and only 41 for SVM Therefore, this is an indication that SVMs might make a better use ... to a single experiment for SVM For MSE, the dashed and solid lines overlap For LDA we could not compute the dashed line, for computational reasons The baseline method performs slightly better...
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Báo cáo khoa học: "General-to-Specific Model Selection for Subcategorization Preference*" pot
Ngày tải lên :
08/03/2014, 06:20
... for verbs V l , , Vm, respectively: Initially, for each verb vi, set ~ as the most general one `sis of the sequence `sio, , `sire For each verb vi, from the sequence `sn, , `sire, search for ... number of the active feature set is 126 for "Generalto-Specific" method and 800 for "One-by-one Feature Adding" method Therefore, general-tospecific feature selection algorithm achieves significant ... e q u i r e m e n t s Subsumption with s: for each element fs' of DI , s' has to be subsumed by s Upper Bound of ~: for each element fs, of DI, , and for each element ft of G, t does not subsume...
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Báo cáo khoa học: "Data point selection for cross-language adaptation of dependency parsers" pot
Ngày tải lên :
17/03/2014, 00:20
... Data point selection The key idea in our experiments is that we can use a simple form of instance weighting, similar to what is often used for correcting sample selection bias or for domain adaptation, ... (2008) For our main results, which are presented in Figure 1, we use the remaining three treebanks as training material for each language The test section of the language in question is used for ... obtain the best results for Arabic training using labeled data from the Bulgarian treebank, and the best results for Bulgarian training on Portuguese only The best results for Danish were, somewhat...
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Báo cáo khoa học: "Convolution Kernels with Feature Selection for Natural Language Processing Tasks" docx
Ngày tải lên :
23/03/2014, 19:20
... coefficient and mutual information (Rogati and Yang, 2002) reported that chi-squared feature selection is the most effective method for text classification Following this information, we use χ2 values ... 215–224 M Rogati and Y Yang 2002 High-performing Feature Selection for Text Classification In Proc of the 2002 ACM CIKM International Conference on Information and Knowledge Management, pages ... NUMEX, ORGANIZATION, and TIME TOP for JQA, and “coarse” and “fine” classes for EQC We used the one-vs-rest classifier of SVM as the multi-class classification method for EQC Figure shows examples of...
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Báo cáo khoa học: "Active Sample Selection for Named Entity Transliteration" pptx
Ngày tải lên :
31/03/2014, 00:20
... weights improves performance for both target languages 3.1 space than used in this work Another aspect investigated is using our selective sampling for adapting the learning process for data originating ... using an active sample selection scheme The sample selection process is guided by the Sufficient Spanning Features criterion (SSF) introduced in section 2.2, to identify informative samples in the ... training and training with weights The results clearly show that using weights for training improve the classifier’s performance for both Russian and Hebrew It can also be observed that in many cases...
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Báo cáo sinh học: " Reference gene selection for quantitative real-time PCR analysis in virus infected cells: SARS corona virus, Yellow fever virus, Human Herpesvirus-6, Camelpox virus and Cytomegalovirus infections" doc
Ngày tải lên :
18/06/2014, 22:20
... be expected for useful reference genes and a high SD for genes that are susceptible to virus replication Corresponding to the recent estimation the SD of the CT value was highest for Act in of ... the manufacturer's recommendations for oligo(dT)20 primed cDNA-synthesis cDNA synthesis was performed using µg of RNA, at 50°C Finally, cDNA was diluted 1:5 before use in QPCR Quantitative TaqMan ... standards for quantifying RNA levels under hypoxia Biochem Biophys Res Commun 1999, 259:523-526 Radonic A, Thulke S, Mackay IM, Landt O, Siegert W, Nitsche A: Guideline to reference gene selection for...
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báo cáo hóa học:" Reference gene selection for quantitative real-time PCR analysis in virus infected cells: SARS corona virus, Yellow fever virus, Human Herpesvirus-6, Camelpox virus and Cytomegalovirus infections" doc
Ngày tải lên :
20/06/2014, 04:20
... be expected for useful reference genes and a high SD for genes that are susceptible to virus replication Corresponding to the recent estimation the SD of the CT value was highest for Act in of ... the manufacturer's recommendations for oligo(dT)20 primed cDNA-synthesis cDNA synthesis was performed using µg of RNA, at 50°C Finally, cDNA was diluted 1:5 before use in QPCR Quantitative TaqMan ... standards for quantifying RNA levels under hypoxia Biochem Biophys Res Commun 1999, 259:523-526 Radonic A, Thulke S, Mackay IM, Landt O, Siegert W, Nitsche A: Guideline to reference gene selection for...
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báo cáo hóa học:" A survey of orthopaedic journal editors determining the criteria of manuscript selection for publication" potx
Ngày tải lên :
20/06/2014, 04:20
... editors were informed that the survey was confidential and that their responses would be anonymised The questionnaire design was based on a validated questionnaire designed by Radford et al to ... specifically for each journal that he edited Each journals’ website was also examined to determine the demographics of editors and journals that had not responded Journal impact factors for 2008 ... compared to non-responders using a Students t test A post hoc analysis of error level for completed surveys was also performed (survey sample random calculator, http://www.custominsight.com) Page of...
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báo cáo hóa học:" A survey of orthopaedic journal editors determining the criteria of manuscript selection for publication" pot
Ngày tải lên :
20/06/2014, 07:20
... editors were informed that the survey was confidential and that their responses would be anonymised The questionnaire design was based on a validated questionnaire designed by Radford et al to ... specifically for each journal that he edited Each journals’ website was also examined to determine the demographics of editors and journals that had not responded Journal impact factors for 2008 ... compared to non-responders using a Students t test A post hoc analysis of error level for completed surveys was also performed (survey sample random calculator, http://www.custominsight.com) Page of...
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Báo cáo hóa học: " Low complexity antenna selection for V-BLAST systems with OSIC detection" docx
Ngày tải lên :
21/06/2014, 03:20
... 10 −3 10 −4 10 10 Non Selection Max Capacity Selection Proposed Selection Optimal Selection −5 10 Page of Non Selection Max Capacity Selection Proposed Selection Optimal Selection −5 10 12 Signal ... the proposed selection criterion For the sake of simplicity, we consider only transmit antenna selection However, this simplification does not change the relative performance tendency for each criterion ... optimal selection method in flops for the case of K ≈ Thus, the larger the number of transmit antenna N, the more the complexity reduction that we get for the proposed selection method Non−Selection...
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Báo cáo sinh học: " Research Article Minimum Variance Signal Selection for Aorta Radius Estimation Using Radar" pptx
Ngày tải lên :
21/06/2014, 16:20
... to achieve the required performance? To answer this question, the Cram´ r-Rao lower bound e (CRLB) is used as a selection criterion, and which will map the performance for a range of parameter ... CRLB may be calculated for a constant ratio and then the value for any other ratio simply scales the CRLB Therefore, in what follows, this ratio is assumed equal to unity For clarity, whenever ... in Section 3, we will derive an analytic expression for the CRLB for a general channel model, yet will evaluate this expression numerically for our specific channel because even the most simplified...
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Báo cáo hóa học: " Research Article Optimal Channel Selection for Spectrum-Agile Low-Power Wireless Packet Switched Networks in Unlicensed Band" doc
Ngày tải lên :
21/06/2014, 22:20
... during the convergence window Due to this nature, we formulate the optimal channel selection as a reinforcement learning problem [7] This formulation requires defining rewards or utilities attached ... exact method makes it infeasible for practical applications Therefore, it is needed to derive an approximate solution for the success probability giving acceptable performance with minimal computational ... forget mechanism is used for both algorithms to have a fair comparison The expected channel utilization is shown in Figure 10 As can be seen, the optimal channel selection combined with the forget...
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Báo cáo hóa học: "Research Article Antenna Selection for MIMO Systems with Closely Spaced Antennas" ppt
Ngày tải lên :
21/06/2014, 22:20
... incremental selection and the decremental selection algorithms in [7] 3.2 FFT-based Selection As for this soft selection scheme (e.g., [9]), a N-point FFT transformation (phase-shift only) is performed ... selection FFT based selection Phase-shift based selection Reduced full system w/o selection Hybrid selection FFT based selection Phase-shift based selection Reduced full system w/o selection Figure ... always has a superior performance over hard selection This is because soft selection tends to use all the information available, while hard selection loses some additional information by selecting...
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Báo cáo hóa học: " Research Article Gene Selection for Multiclass Prediction by Weighted Fisher Criterion" ppt
Ngày tải lên :
22/06/2014, 19:20
... 10]; the sequential forward floating selection (SFFS) and sequential backward floating selection (SBFS) [10] are among the most popular methods Several studies on gene selection for the molecular ... using 60 IDG genes Therefore, for this data set, the IDG selection method (using 1D wFC) outperformed Dudoit’s method (using 1D FC) The second step in our method, that is, JDG selection by wFC, can ... data set for performance estimation In addition to the above comparison, we have also compared our method with Dudoit’s method (based on onedimensional Fisher criterion) on gene selection for multiclass...
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Báo cáo hóa học: " Research Article Content-Aware Scalability-Type Selection for Rate Adaptation of Scalable Video" doc
Ngày tải lên :
22/06/2014, 19:20
... quality may not be good enough for information assimilation Hence, information assimilation plays a key role on optimal operator selection for type-A subjects; where for type-B subjects satisfaction ... automatically for certain content domains using existing techniques, for example, for soccer videos [19] Next, we formulate the problem of selecting the best scalability option for each temporal ... option selection The scaling option selected at the server side can be sent as side information so that the receiver (client) performs appropriate spatial/temporal interpolation, when necessary, for...
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