securing wireless using a wrt54g
Securing wireless LANs a practical guide for network managers LAN administrators and the home office user
... their access points with default network names, it is relatively easy to guess a valid name Thus, changing the default name at least makes it a bit harder for an unauthorized third party to gain access ... by employing an explicit acknowledgement (ACK) frame A receiving station transmits an ACK to the sending station as a confirmation of the correct arrival of a data frame If the ACK frame is not ... includes a duration field that indicates the time required to transmit the data frame and receive an ACK The destination station and other stations that can receive the RTS signal are alerted that the...
- 275
- 631
- 0
Báo cáo hóa học: " Research Article Trade-Offs between Energy Saving and Reliability in Low Duty Cycle Wireless Sensor Networks Using a Packet Splitting Forwarding Technique" docx
... when r = m and r = 10 m (a) , and for different values of R/r (b) nominal values of TAMAX that can be used to achieve the synchronization can be calculated according to (2), and are TAMAX = 31.25 ... negligible propagation delay (usually less than μs), a packet duration of 1.8 ms (i.e., a 56-byte packet at a bitrate of 250 Kbps), and operating without ARQ, it follows that TAMAX = 27.4 + 1.8 ... calculated through analytical model and simulations If we consider that TTX j are uniformly distributed between and TAMAX , the random variable z has a triangular distribution function over the range...
- 11
- 352
- 0
Báo cáo hóa học: " Research Article Centroid Localization of Uncooperative Nodes in Wireless Networks Using a Relative Span Weighting Method" pot
... relative span weighted localization in order to estimate the location of a transmitter with minimal information available at a set of receivers Our approach adapts the concept of moving average ... candidate area for the location of a transmitter While open-form solutions may localize a node within an area with a suitable degree of granularity for certain types of applications, other scenarios ... reliance upon a nearly-ideal radio propagation environment, with little signal noise, as well as the availability of multiple transmitted messages so that the signal fluctuations can be averaged out...
- 10
- 294
- 0
Báo cáo hóa học: "Particle Filtering Algorithms for Tracking a Maneuvering Target Using a Network of Wireless Dynamic Sensors" doc
... where νx , νs > are adjustable parameters that control the variance of the propagation process, and zx,t , zs,t are complex Gaussian vectors with zero mean and covariance matrices I2 and INs , respectively ... 2003 [3] F Zhao and L Guibas, Wireless Sensor Networks, Morgan Kaufman, New York, NY, USA, 2004 [4] R R Brooks, P Ramanathan, and A M Sayeed, “Distributed target classification and tracking in sensor ... main weakness of this approach is the high probability of loosing the target track, either when the estimates xt and st are poor or when the target makes a sharp maneuver that leads it far away from...
- 16
- 364
- 0
Báo cáo y học: "Prevention of Pleural Adhesions Using a Membrane Containing Polyethylene Glycol "
... Figure Macroscopic images of the rats A: Appearance of the visceral pleura after abrasion with dry and iodinated spanch B: Placement of a x cm anti-adhesion membrane (Prevadh®) in the adhesion ... thoracotomy by using a hyaluronate-based absorbable membran in rats [6] Also, Getman et al achieved the same effect by using haemostatic membrane [7] The present study investigates the efficacy ... findings are also based on the result of macroscopic and histopathological examinations However, biochemical data would elucidate physiopathological changes associated with pleural adhesion and the...
- 7
- 453
- 0
Natural botanical products have a long history in the world and are featured in using a complex
... intratumoral injection of "Star-99" in treatment of hepatocellular carcinoma of nude mice World J Gastroenterol 2003, 9: 701-5 Nandakumar KS, Lakshmi Rao K, Pardhasaradhi BV, Khar A Upregulation of antitumor ... Yasukawa K, Ikeya Y, Mitsuhashi H, Iwasaki M, Aburada M, Nakagawa S, Takeuchi M, Takido M Gomisin A inhibits tumor promotion by 12-O-tetradecanoylphorbol-13acetate in two-stage carcinogenesis in ... treatment groups was analyzed using a two-way statistical analysis of variance (ANOVA), followed by Dunnett t-test and post-hoc analysis when necessary Results Effect of CKBM treatment on gastric tumor...
- 9
- 712
- 0
Báo cáo y học: "Discriminating between elderly and young using a fractal dimension analysis of centre of pressure"
... from a fractal pattern may be indicative of a shift towards an unhealthy or less desirable control strategy The analysis of fractal patterns in gait and posture data may serve as an indicator ... Parkinsonian patients (PP), spinocerebellar ataxia (SCA) patients, and healthy participants’ COP were analysed using a more traditional fractal dimension analysis [13] This method recorded COP data and ... of appropriate non-linear analysis, such as fractal analysis, in place of traditional analyses [1] A strong reason behind this paradigm shift is the acknowledgment of variability in natural systems...
- 10
- 457
- 0
Estimation of Proper Strain Rate in the CRSC Test Using a Artificial Neural Networks
... the field data In particular, these differences are increase at the high strain rate range The reason is that ANN model has not a lot of database on the high strain rate To eliminate this effect ... realize complex mapping In order to verify the applicability of MANN model, a total of 46 data of the consolidation test results are used 43 learning data are used for training the ANN model, and ... OF STRAIN RATE r= V − Vmin Vmax − Vmin Data Collection Data Normalization Parametric Studies (3) Training and Testing ANN in which LI is the liquidity index with soil saturated, Pa is the atmospheric...
- 5
- 516
- 1
STRATEGIC PLANNING FOR PROJECT MANAGEMENT USING a PROJECT MANAGEMENT
... critical success factors: qualitative factors, organizational factors, and quantitative factors To take advantage of the economic outlook, whatever it happened to be at a given time, senior managers ... Responsibility Evaluation of Information Managerial Values of Management Strategy Evaluation Strategy Selection Strategy Implementation FIGURE 2–1 Basic strategic planning Corporate Strategic Plan Strategic ... 9:42 AM Page 5 Gap Analysis fected by the organization’s performance, but may even have a claim on its performance As an example, unions can have a strong influence on how a project management...
- 271
- 629
- 2
Research on MAP Recovery Conditions using a Fluidized-bed Crystallized Phosphorous Removal System
... phosphorus load (kg-P/d), VMAP is Volume of MAP particle layer (m3), SMAP is Overall MAP surface of MAP particle layer (m2) Overall MAP surface was calculated using the following assumption a) MAP particles ... apparatus was made by adding magnesium and adjusting the pH, and new MAP was made to form on the surface of the MAP particles already in the reactor The interior of the reactor was aerated using air ... mm), and a treated water tank Raw water NaOH Treated water The raw water and part of the treated water in the treated water tank was made to flow upward Treated water tank (LV: 60 m/hr) from the...
- 6
- 438
- 0
A biodegradation and treatment of palm oil mill effluent (POME) using a hybrid up-flow anaerobic sludge bed (HUASB) reactor
... Rajakumar, R and Meenambal, T [3] to investigate the performance for each hybrid UASB reactor and anaerobic filter (AF) reactor, where the comparison of this study was mainly compared the start-up ... to be transferred to the analysis laboratory for parameters analysis The related parameters were observed and analyzed daily are Chemical Oxygen Demand (COD), Total Nitrogen (TN), Total Phosphorus ... Habeeb, S A. , AB Aziz Bin Abdul Latiff., Zawawi Bin Daud., Zulkifli Bin Ahmad A review on granules initiation and development inside UASB Reactor and the main factors affecting granules formation process...
- 8
- 408
- 0
Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model
... show the minimum and maximum annual average acceptance rates to be 999.2 mg/year and 1000.8 mg/year respectively The mean, variance, and standard deviation are 1000 mg/year, 0.0504, and 0.225 respectively ... generation rate, k and potential methane generation capacity, Lo Emission type Landfill type CAA Conventional CAA Arid area Inventory Conventional Inventory Arid area Inventory Wet (bioreactor) Source: ... dioxide are the major gases produced by biodegradation of landfill wastes [2-4, 7] According to Scheutz et al [2], the biodegradable organic material in waste includes paper, animal and vegetable matter,...
- 8
- 540
- 0
Optimal placement of horizontal - and vertical - axis wind turbines in a wind farm for maximum power generation using a genetic algorithm
... pp.927-938 935 (a) Best, mean and median objective valuses for Case I (b) Standard deviations for Case I (c) Best, mean and median objective values for Case II (d) Standard deviations for Case II Figure ... Table Case III has been taken from the paper of Yan et al [12] and Case III has a double rotor radius compared to Case IV so that the tip-speed ratio also doubles Again, the size of the farm is ... William Palm Professor of Engineering in department of Mechanical Engineering and Materials Science at Washington University in St Louis, MO, USA He is a Fellow of ASME, AIAA, IEEE, and SAE E-mail...
- 12
- 635
- 1
Measuring Word Recognition Using a Picture
... "Look at the picture (Pause) Look at the words around the picture (Pause.) Find the biggest word What is that word? (Students will say, "Table.") A line has been drawn from that word to the TABLE ... specifications above utilize the format that appears in Lynch and Davidson (1994), "Criterion-referenced language test development: Linking curricular, teachers, and tests." TESOL Quarterly 28(4), ... (e.g., chairs), any line drawn to the corresponding objects will be treated as correct Specifications Supplement • Testers can use this task type as one of a multiple of task types in a reading...
- 3
- 322
- 1
Tài liệu tiếng anh Điện tử công suất mạch MERS Voltage rating reduction of magnetic power supplies using a magnetic energy recovery switch
... parts of energy pulsate and cause voltage fluctuations of the capacitors The capacitors must maintain the voltage within a range; therefore the capacitors must store energy as large as several ... large scale magnets which have large time constant are suitable applications However quite large scale applications which have huge magnetic energy is not suitable because these applications not ... rating reduction rate is described by coil parameters and target condition Large time constant and fast rising time can realize more effective voltage rating reduction This indicates that large...
- 4
- 535
- 0
Using a DataGrid Control to Access a Database
... Preview dialog box Next, you need to create a DataSet object You use a DataSet object to a store local copy of the information stored in the database A DataSet object can represent database structures ... your database administrator) Drill down to the Customers table in the Northwind database and drag it to your form This creates a SqlConnection object named sqlConnection1 and a SqlDataAdapter ... contains DataSet1, as shown in Figure 6.15 Figure 6.15: Entering the DataSet details in the Generate Dataset dialog box Click the OK button to continue This adds a new DataSet object named dataSet11...
- 8
- 486
- 0
Using a DataReader Object in Visual Studio .NET
... System.Data.SqlClient.SqlDataReader mySqlDataReader = sqlCommand1.ExecuteReader(); while (mySqlDataReader.Read()) { listView1.Items.Add(mySqlDataReader["CustomerID"].ToString()); listView1.Items.Add(mySqlDataReader["CompanyName"].ToString()); ... SqlDataReader object to a string Also notice you include the namespace when referencing the SqlDataReader class: you use System.Data.SqlClient SqlDataReader when creating the SqlDataReader object ... listView1.Items.Add(mySqlDataReader["CompanyName"].ToString()); listView1.Items.Add(mySqlDataReader["ContactName"].ToString()); } mySqlDataReader.Close(); sqlConnection1.Close(); } Notice you add an item to the ListView control using...
- 4
- 535
- 0
Using a SqlConnection Object to Connect to a SQL Server Database phần 1
... Server database */ using System; using System.Data; using System.Data.SqlClient; class MySqlConnection { public static void Main() { // formulate a string containing the details of the // database ... ADO.NET automatically stores database connections in a pool Connection pooling offers a great performance improvement because you don't have to wait for a brand new connection to the database to ... to be established when there's a suitable connection already available When you close a connection, that connection isn't actually closed; instead, your connection is marked as unused and stored...
- 7
- 729
- 0
Tài liệu Module 3: Using a Conceptual Design for Data Requirements docx
... to perform a function or task Each functional data requirement is directly traceable to an actor and an object within a use case Nonfunctional data requirements A nonfunctional data requirement ... the solution’s overall data design If a solution has no data requirements, it has no need for data storage, let alone a logical data organization Determining the functional data requirements from ... be available? What are the peak use times? Are there time periods during which the system can be offline? " Maintainability How easy must the system be to update, maintain, and repair? Are data...
- 20
- 580
- 0
Tài liệu Using a SqlConnection Object to Connect to a SQL Server Database phần 2 doc
... SqlConnection("server=localhost;database=Northwind;uid=sa;pwd=sa"); // monitor the StateChange event using the StateChangeHandler() method mySqlConnection.StateChange += new StateChangeEventHandler(StateChangeHandler); ... example defines a method named StateChangeHandler to handle the StateChange event You'll notice that the second parameter to this method is a StateChangeEventArgs object You get the original ... illustrates the use of the StateChange event Listing 7.3: STATECHANGE.CS /* StateChange.cs illustrates how to use the StateChange event */ using System; using System.Data; using System.Data.SqlClient;...
- 7
- 592
- 0
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các nguyên tắc biên soạn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25