vibration spectrum analyses
... "Accurate Analysis, Diagnostic Evaluations, Corrections on All Types of Machinery" Vibrations, Noise, Dynamic Balance, Performance, Laser Shaft & Drive Alignment, Electro-Mechanical ... VIBES Corp Page "Accurate Analysis, Diagnostic Evaluations, Corrections on All Types of Machinery" Vibrations, Noise, Dynamic Balance, Performance, Laser Shaft & Drive Alignment, Electro-Mechanical ... VIBES C...
Ngày tải lên: 18/03/2017, 23:07
Trải phổ SPREAD SPECTRUM
... hóa Hệ thống trải phổ Trải phổ nhảy tần (Frequency Hopping Spread Spectrum FHSS): Hệ thống trải phổ cách nhảy tần số sóng mang tập lớn tần số, mẫu nhảy tần giả ngẫu nhiên Trải phổ dãy trực ... dạng trải phổ khác mã trải phổ dùng để điều khiển tần số hay thời gian truyền dẫn sóng mang) Direct Sequence Spread Spectrum (DSSS) Mỗi bit thể chuỗi bit theo m...
Ngày tải lên: 13/09/2012, 11:16
Lecture 4 - Spread Spectrum Technologies
... - 928 Mhz S-Band - Ghz S-Band ISM (802.11b) 2 .4 - 2.5 Ghz C-Band - Ghz C-Band Satellite downlink 3.7 - 4. 2Ghz C-Band Radar (weather) 5.25 - 5.925 Ghz C-Band ISM (802.11a) 5.725 - 5.875 Ghz C-Band ... C-Band satellite uplink 5.92 5-6 .42 5 Ghz X-Band 8-1 2 Ghz X-Band Radar (police/weather) 9. 5-1 0.55 Ghz Ku-band 1 2-1 8 Ghz Ku-band Radar (Police) 13. 5...
Ngày tải lên: 13/09/2012, 11:16
... High-intensity resistance training improves glycemic control in older patients with type diabetes Diabetes care 20 02; 25 : 1 729 – 36 Fenicchia LM, Kanaley JA, Azevedo JL, et al Influence of resistance ... training increases insulin-mediated glucose uptake, GLUT-4 content, and insulin signaling in skeletal muscle in patients with type diabetes Diabetes 20 04; 53 :29 4...
Ngày tải lên: 26/10/2012, 10:04
... 2 DAO ĐỘNG HỆ TRỤC TÀU THỦY Các dạng dao động hệ trục tàu thuỷ: dao động dọc, dao động ngang dao động xoắn Ta xét đến trường hợp dao động ảnh hưởng đến hệ trục tàu thuỷ khối lượng ... Đáp ứng dao động tự 4.3 Dao động xoắn hệ trục 4.3.1 Modes dao động Hình 8: Dao động xoắn tự hệ 4.3.3 Đáp ứng dao động cưỡng Hình 7: Dạng dao động r...
Ngày tải lên: 09/04/2013, 12:58
Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 1: Thermodynamic model and parameter analyses
... Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 2: heat conductance allocation and pressure ratio optimization Int J Energy and Environment, ... performed the performance analysis and optimization for various cogeneration plants by using finite-time thermodynamics Bojic [19] investigated...
Ngày tải lên: 05/09/2013, 14:58
VIBRATION AND SHOCK
... frequencies are present as in complex or in broad-band random vibration It is also possible for several modes to simultaneously be excited by a shock pulse (and then to die out) Certain modes are most ... 23.21 Hand-held velocity pickup used for locating points of minimum and maximum motion Fig 23.22 A specialized vibration meter If you knew the velocity and the frequency of sinus...
Ngày tải lên: 25/10/2013, 13:15
14 Spectrum Estimation and Modeling
... 14 Spectrum Estimation and Modeling 14. 1 Introduction 14. 2 Important Notions and Definitions Random Processes • Spectra of Deterministic Signals • Spectra of Random Processes 14. 3 The ... vibration analysis, control theory, and econometrics 14. 2 Important Notions and Definitions 14. 2.1 Random Processes The objects of interest of spectrum estimation are random proce...
Ngày tải lên: 08/11/2013, 12:15
Tài liệu Chapter 5: LIS Standard Analyses doc
... 5–6 Reporting Made Easy Chapter 5: LIS Standard Analyses Learning the Basics of Standard Analyses How Does LIS Standard Analyses Differ from Other Reporting Tools? Standard analyses differ from ... Easy Chapter 5: LIS Standard Analyses Creating a Standard Analysis From this list, you can double-click on the document that you are interested in, and use docum...
Ngày tải lên: 11/12/2013, 14:15
Tài liệu Chapter 6: LIS Flexible Analyses pdf
... Chapter 6: LIS Flexible Analyses Learning the Basics of LIS Flexible Analyses Learning the Basics of LIS Flexible Analyses In this chapter you will learn about flexible analyses in ... report Reporting Made Easy Chapter 6: LIS Flexible Analyses Learning the Basics of LIS Flexible Analyses How Is LIS Flexible Analysis Organized? As shown in the g...
Ngày tải lên: 11/12/2013, 14:15
Tài liệu Spread Spectrum (SS) pptx
... requiring spread spectrum modulation: DSSS (Direct Sequence Spread Spectrum) and FHSS (Frequency Hopping Spread Spectrum) Only the RF transmission has significant presence in the market DSSS FHSS Spreading ... Transmission 14 1.4 W-CDMA 17 DE NAYER (ir J Meel) IWT HOBU-fonds Spread Spectrum Spread Spectrum Applications 1.1 WLAN IEEE 802.11 IEEE 802.11 is the first internatio...
Ngày tải lên: 13/12/2013, 00:15
Tài liệu Gear Noise and Vibration P2 docx
... of spur gears.1 Proc Inst Mech Eng., Vol 172, 1958, pp 87-112 Niemann, G and Baethge, J., 'Transmission error, tooth stiffness, and noise of parallel axis gears.' VDI-Z, Vol 2, 1970, No and No ... gears.' VDI-Z, Vol 2, 1970, No and No Palmer, D and Munro, R.G., 'Measurements of transmission error, vibration and noise in spur gears.' British Gear Association Congress, 1995,...
Ngày tải lên: 13/12/2013, 03:15