Machinery behavior & spectrum analysis
... Spectral Analysis and Phase Analysis 40 FFT Spectrum Analysis q fre h hig tim e low q fre amplitude 41 cy en qu fre Spectrum Analysis Techniques Collect Useful Information Analyze 42 Spectrum Analysis ... gearbox gearmesh frequencies Spectrum Analysis Techniques 44 Spectrum Analysis Techniques amplitude 1X 2X 3X 4X frequency 45 Spectral Pattern Recognition (velocity s...
Ngày tải lên: 15/02/2014, 09:39
... the Type of Analysis area Click the OK button twice to exit all dialog boxes Click the Run Analysis button to run the analysis 18 When the analysis is complete check the messages in the Analysis ... boxes From the Analyze menu select Set Options to display the Analysis Options dialog box • Uncheck all of the Available DOFs check boxes except for UX • Verify the the Dynamic...
Ngày tải lên: 06/07/2014, 09:20
... box • Click the OK button 14 Click the xz 2D View button on the main toolbar The view switches to the X -Z plane @ Z= 60 and appears as shown in Figure Z- 1 15 Click the Quick Draw Rectangular Shell ... Type -6 0 in the Y= edit box D H C G B F A E Figure Z- 1: Screen After Step 14 • Click the OK button The screen appears similar to that shown in Figure Z- 1 (except that the location i...
Ngày tải lên: 06/07/2014, 09:20
Pseudo Velocity Shock Spectrum Rules For Analysis Of Mechanical Shock pdf
... of pseudo velocity PVSS4CP (PSEUDO VELOCITY SHOCK SPECTRUM PLOTTED ON FOUR COORDINATE PAPER) IS A SPECIFIC PRESENTATION OF THE RELATIVE DISPLACEMENT SHOCK SPECTRUM THAT IS EXTREMELY HELPFUL FOR ... PVSS on 4CP for 5% damping Figure Time history of acceleration, velocity, and displacement of a drop table shock machine half sine shock Figure PVSS on 4CP for th...
Ngày tải lên: 09/03/2014, 00:20
Báo cáo hóa học: " Performance analysis of spectrum sharing mechanisms in cognitive radio networks" pptx
... delay and mean waiting time are also in our considerations For evaluating the spectrum- sharing mechanisms in the CRN, metrics that we consider include force-termination probability of SU PFT-su, mean ... channels by sensing Different from traditional sensing-based CRNs, QoS guarantee for SUs has to be considered in spectrum- sharing mechanism design In Conclusion In the j...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Research Article Performance Analysis of Ad Hoc Dispersed Spectrum Cognitive Radio Networks over Fading Channels" potx
... fading, number of dispersed bands, modulation, and coding on the performance of dispersed spectrum cognitive radio systems The results show that the effects of fading, number of dispersed bands, ... [25] Conclusion In this paper, the performance analysis of dispersed spectrum cognitive radio systems is conducted considering the effects of fading, number...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Research Article Interference Excision in Spread Spectrum Communications Using Adaptive Positive Time-Frequency Analysis" pdf
... consisting of linear and quadratic chirps at JSR = 40 dB −8 0.3 0.2 0.1 −10 −8 −6 −4 −2 SNR (dB) 10 No interference No excision (single interference) No excision (multiple interference) Single interference ... D L Jones, Spread spectrum interference suppression using adaptive time-frequency tilings,” in Proceedings of IEEE International Conference on Acoustics, Speech,...
Ngày tải lên: 22/06/2014, 19:20
Phy layer and mac layer protocol design and performance analysis for opportunistic spectrum access in cognitive radio networks
... both physical (PHY) layer and medium access control (MAC) layer In this thesis, we focus on cognitive radio networks (CRN) and aim to improve the spectrum sensing performance at the PHY layer and ... Sensing Strategies for Cognitive Radio Mesh Networks Chapter Cooperative Spectrum Sensing Strategies for Cognitive Radio Mesh Networks In this chap...
Ngày tải lên: 10/09/2015, 15:53
Formulas from combustion Analysis
... Tìm công th c phân t có formulas from combustion analysis c t s t i gi n, chia s mol c a m i nguyên t cho s mol có giá tr th p nh t ... cacbon + kh i l mol = 0.03328 mol O 16.00 g Trang ng oxy ng c a C H Tìm công th c phân t formulas from combustion analysis tìm c t s t i gi n b ng cách chia s mol cho s mol có giá tr th p nh t c a ... c h t xác nh kh i l ng s mol c a cacbon, h...
Ngày tải lên: 22/08/2012, 09:18
Static and Dynamic Analysis of Space frames
... result list of load cases, superposition files and influence lines 3.64 Version 8.38.03 • • • • Use of combination codes “SupOrX” and “SupAndX” for superposition files corrected New command “PLSCFAC” ... to choose between E- and Fformat of the written values Information about units added to the plot file of the action PlInfl, screen plot Results/ PlInfl and to the list file o...
Ngày tải lên: 06/09/2012, 15:18
Static and Dynamic Analysis of Spaceframes
... Disclaimer and Copyright Disclaimer Much time and effort have gone into the development and documentation of RM2000 and GP2000 The programs have been thoroughly tested and used The user accepts and ... the two load sets and the two loading cases (e.g.: L.C is a UDL of 10kN/m from Elem to Elem 20 and L.C is a Settlement of 0.001m at the beginning of element 1200.) Choos...
Ngày tải lên: 06/09/2012, 15:55
SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures
... used in the analysis The message in Figure 37 indicates that the analysis and design sections are different The goal is to repeat the analysis and design process until the analysis and design sections ... Click the Design menu > Steel Frame Design > Start Design/ Check of Structure command or the Start Steel Design/ Check of Structure button, to start the steel f...
Ngày tải lên: 06/09/2012, 15:56
SAP2000 Integrated Finite Elements Analysis and Design of Structures
... Copyright Computers and Structures, Inc., 1978-1997 The CSI Logo is a registered trademark of Computers and Structures, Inc SAP2000 is a registered trademark of Computers and Structures, Inc Windows ... Group Name ROOF 2ND COLS FRCOLS BRCOLS BRACE1 BRACE2 FRMGIRD BASE Description All roof level joints, frame elements and shell elements All second level joints, frame elem...
Ngày tải lên: 06/09/2012, 15:56
Phân tích kiến trúc (Architectural Analysis)
... đến kiến trúc (hệ thống) ?Tìm hiểu cách đọc diễn dòch kết Phân tích Kiến trúc ? Các tầng kiến trúc quan hệ chúng ? Các trừu tượng hóa ? Các chế phân tích OOAD S? d?ng UML – Phân tích ki?n trúc ... tiêu: ?Tìm hiểu mục đích Phân tích Kiến trúc nơi thực công việc chu kỳ sống hệ thống ?Mô tả mẫu biểu diễn kiến trúc tập hợp chế phân tích với ảnh hưởng chún...
Ngày tải lên: 12/09/2012, 15:04