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²Î¼û¡¶¹¤³ÌÕñ¶¯Ãû´ÊÊõÓï¡· 1 Õñ¶¯ÐźŵÄʱÓò¡¢ÆµÓòÃèÊö Õñ¶¯¹ý³Ì (Vibration Process) ¼òгÕñ¶¯ (Harmonic Vibration) ÖÜÆÚÕñ¶¯ (Periodic Vibration) ×¼ÖÜÆÚÕñ¶¯ (Ouasi-periodic Vibration) ˲̬¹ý³Ì (Transient Process) Ëæ»úÕñ¶¯¹ý³Ì (Random Vibration Process) ¸÷̬Àú¾¹ý³Ì (Ergodic Process) È·¶¨ÐÔ¹ý³Ì (Deterministic Process) Õñ·ù (Amplitude) Ïàλ (Phase) ³õÏàλ (Initial Phase) ƵÂÊ (Frequency) ½ÇƵÂÊ (Angular Frequency) ÖÜÆÚ (Period) ¸´ÊýÕñ¶¯ (Complex Vibration) ¸´ÊýÕñ·ù (Complex Amplitude) ·åÖµ (Peak-value) ƽ¾ù¾ø¶ÔÖµ (Average Absolute Value) ÓÐЧֵ (Effective Value£¬RMS Value) ¾ùÖµ (Mean Value£¬Average Value) ¸µÀïÒ¶¼¶Êý (FS£¬Fourier Series) ¸µÀïÒ¶±ä»» (FT£¬Fourier Transform) ¸µÀïÒ¶Äæ±ä»» (IFT£¬Inverse Fourier Transform) ÀëÉ¢Æ× (Discrete Spectrum) Á¬ÐøÆ× (Continuous Spectrum) ¸µÀïÒ¶Æ× (Fourier Spectrum) ÏßÐÔÆ× (Linear Spectrum) ·ùÖµÆ× (Amplitude Spectrum) ÏàλÆ× (Phase Spectrum) ¾ù·½Öµ (Mean Square Value) ·½²î (Variance) з½²î (Covariance) ×Ôз½²îº¯Êý (Auto-covariance Function) »¥Ð·½²îº¯Êý (Cross-covariance Function) ×ÔÏà¹Øº¯Êý (Auto-correlation Function) »¥Ïà¹Øº¯Êý (Cross-correlation Function) ±ê׼ƫ²î (Standard Deviation) Ïà¶Ô±ê׼ƫ²î (Relative Standard Deviation) ¸ÅÂÊ (Probability) ¸ÅÂÊ·Ö²¼ (Probability Distribution) ¸ß˹¸ÅÂÊ·Ö²¼ (Gaussian Probability Distribution) ¸ÅÂÊÃÜ¶È (Probability Density) ¼¯ºÏƽ¾ù (Ensemble Average) ʱ¼äƽ¾ù (Time Average) ¹¦ÂÊÆ×ÃÜ¶È (PSD£¬Power Spectrum Density) ×Ô¹¦ÂÊÆ×ÃÜ¶È (Auto-spectral Density) »¥¹¦ÂÊÆ×ÃÜ¶È (Cross-spectral Density) ¾ù·½¸ùÆ×ÃÜ¶È (RMS Spectral Density) ÄÜÁ¿Æ×ÃÜ¶È (ESD£¬Energy Spectrum Density) Ïà¸Éº¯Êý (Coherence Function) ÅÁ˹Íß¶û¶¨Àí (Parseval''''s Theorem) άÄÉ£¬ÐÁÇÕ¹«Ê½ (Wiener-Khinchin Formula)` |
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- ½ð±Ò: 2749.1
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2 Õñ¶¯ÏµÍ³µÄ¹ÌÓÐÌØÐÔ¡¢¼¤ÀøÓëÏìÓ¦ Õñ¶¯ÏµÍ³ (Vibration System) ¼¤Àø (Excitation) ÏìÓ¦ (Response) µ¥×ÔÓɶÈϵͳ (Single Degree-Of-Freedom System) ¶à×ÔÓɶÈϵͳ (Multi-Degree-Of- Freedom System) ÀëÉ¢»¯ÏµÍ³ (Discrete System) Á¬ÐøÌåϵͳ (Continuous System) ¸Õ¶ÈϵÊý (Stiffness Coefficient) ×ÔÓÉÕñ¶¯ (Free Vibration) ×ÔÓÉÏìÓ¦ (Free Response) Ç¿ÆÈÕñ¶¯ (Forced Vibration) Ç¿ÆÈÏìÓ¦ (Forced Response) ³õʼÌõ¼þ (Initial Condition) ¹ÌÓÐÆµÂÊ (Natural Frequency) ×èÄá±È (Damping Ratio) Ë¥¼õÖ¸Êý (Damping Exponent) ×èÄá¹ÌÓÐÆµÂÊ (Damped Natural Frequency) ¶ÔÊý¼õ·ùϵÊý (Logarithmic Decrement) Ö÷ƵÂÊ (Principal Frequency) ÎÞ×èÄáģ̬ƵÂÊ (Undamped Modal Frequency) ģ̬ (Mode) Ö÷Õñ¶¯ (Principal Vibration) ÕñÐÍ (Mode Shape) ÕñÐÍʸÁ¿ (Vector Of Mode Shape) ģ̬ʸÁ¿ (Modal Vector) Õý½»ÐÔ (Orthogonality) Õ¹¿ª¶¨Àí (Expansion Theorem) Ö÷ÖÊÁ¿ (Principal Mass) ģ̬ÖÊÁ¿ (Modal Mass) Ö÷¸Õ¶È (Principal Stiffness) ģ̬¸Õ¶È (Modal Stiffness) ÕýÔò»¯ (Normalization) ÕñÐ;ØÕó (Matrix Of Modal Shape) ģ̬¾ØÕó (Modal Matrix) Ö÷×ø±ê (Principal Coordinates) Ä£Ì¬×ø±ê (Modal Coordinates) ģ̬·ÖÎö (Modal Analysis) ģ̬×èÄá±È (Modal Damping Ratio) ƵÏ캯Êý (Frequency Response Function) ·ùÆµÌØÐÔ (Amplitude-frequency Characteristics) ÏàÆµÌØÐÔ (Phase frequency Characteristics) ¹²Õñ (Resonance) °ë¹¦Âʵã (Half power Points) ²¨µÂͼ (Bod¨¦ Plot) ¶¯Á¦·Å´óϵÊý (Dynamical Magnification Factor) µ¥Î»Âö³å (Unit Impulse) ³å¼¤ÏìÓ¦º¯Êý (Impulse Response Function) ¶Å¹þÃÀ»ý·Ö (Duhamel¡¯s Integral) ¾í»ý»ý·Ö (Convolution Integral) ¾í»ý¶¨Àí (Convolution Theorem) ÌØÕ÷¾ØÕó (Characteristic Matrix) ×迹¾ØÕó (Impedance Matrix) ƵÏ캯Êý¾ØÕó (Matrix Of Frequency Response Function) µ¼ÄɾØÕó (Mobility Matrix) ³å»÷ÏìÓ¦Æ× (Shock Response Spectrum) ³å»÷¼¤Àø (Shock Excitation) ³å»÷ÏìÓ¦ (Shock Response) ³å»÷³õʼÏìÓ¦Æ× (Initial Shock Response Spectrum) ³å»÷Ê£ÓàÏìÓ¦Æ× (Residual Shock Response Spectrum) ³å»÷×î´óÏìÓ¦Æ× (Maximum Shock Response Spectrum) ³å»÷ÏìÓ¦Æ×·ÖÎö (Shock Response Spectrum Analysis) |
2Â¥2006-03-04 19:25:08
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3 ģ̬ÊÔÑé·ÖÎö ģ̬ÊÔÑé (Modal Testing) »úе×迹 (Mechanical Impedance) Î»ÒÆ×迹 (Displacement Impedance) ËÙ¶È×迹 (Velocity Impedance) ¼ÓËÙ¶È×迹 (Acceleration Impedance) »úеµ¼ÄÉ (Mechanical Mobility) Î»ÒÆµ¼ÄÉ (Displacement Mobility) Ëٶȵ¼ÄÉ (Velocity Mobility) ¼ÓËٶȵ¼ÄÉ (Acceleration Mobility) Çý¶¯µãµ¼ÄÉ (Driving Point Mobility) ¿çµãµ¼ÄÉ (Cross Mobility) ´«µÝº¯Êý (Transfer Function) ÀÆÕÀ˹±ä»» (Laplace Transform) ´«µÝº¯Êý¾ØÕó (Matrix Of Transfer Function) ƵÏ캯Êý (FRF£¬Frequency Response Function) ƵÏ캯Êý¾ØÕó (Matrix Of FRF) ʵģ̬ (Normal Mode) ¸´Ä£Ì¬ (Complex Mode) ģ̬²ÎÊý (Modal Parameter) ģ̬ƵÂÊ (Modal Frequency) ģ̬×èÄá±È (Modal Damping Ratio) ģ̬ÕñÐÍ (Modal Shape) ģ̬ÖÊÁ¿ (Modal Mass) ģ̬¸Õ¶È (Modal Stiffness) ģ̬×èÁ¦ÏµÊý (Modal Damping Coefficient) ģ̬×迹 (Modal Impedance) ģ̬µ¼ÄÉ (Modal Mobility) ģ̬ËðºÄÒò×Ó (Modal Loss Factor) ±ÈÀýÕ³ÐÔ×èÄá (Proportional Viscous Damping) ·Ç±ÈÀýÕ³ÐÔ×èÄá (Non-proportional Viscous Damping) ½á¹¹×èÄá (Structural Damping£¬Hysteretic Damping) ¸´ÆµÂÊ (Complex Frequency) ¸´ÕñÐÍ (Complex Modal Shape) ÁôÊý (Residue) ¼«µã (Pole) Áãµã (Zero) ¸´ÁôÊý (Complex Residue) Ëæ»ú¼¤Àø (Random Excitation) Î±Ëæ»ú¼¤Àø (Pseudo Random Excitation) â§·¢Ëæ»ú¼¤Àø (Burst Random Excitation) ÎÈ̬ÕýÏÒ¼¤Àø (Steady State Sine Excitation) ÕýÏÒɨÃ輤Àø (Sweeping Sine Excitation) ´¸»÷¼¤Àø (Impact Excitation) ƵÏ캯ÊýµÄH1 ¹À¼Æ (FRF Estimate by H1) ƵÏ캯ÊýµÄH2 ¹À¼Æ (FRF Estimate by H2) ƵÏ캯ÊýµÄH3 ¹À¼Æ (FRF Estimate by H3) µ¥Ä£Ì¬ÇúÏßÄâºÏ·¨ (Single-mode Curve Fitting Method) ¶àģ̬ÇúÏßÄâºÏ·¨ (Multi-mode Curve Fitting Method) ģ̬Բ (Mode Circle) Ê£Óàģ̬ (Residual Mode) ·ùƵ·åÖµ·¨ (Peak Value Method) ʵƵ-Ð鯵·åÖµ·¨ (Peak Real£¯Imaginary Method) Ô²ÄâºÏ·¨ (Circle Fitting Method) ¼ÓȨ×îС¶þ³ËÄâºÏ·¨ (Weighting Least Squares Fitting method) ¸´Ö¸ÊýÄâºÏ·¨ (Complex Exponential Fitting method) |
3Â¥2006-03-04 19:25:49
lennon
ľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 2749.1
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1.2 Õñ¶¯²âÊÔµÄÃû´ÊÊõÓï 1 ´«¸ÐÆ÷²âÁ¿ÏµÍ³ ´«¸ÐÆ÷²âÁ¿ÏµÍ³ (Transducer Measuring System) ´«¸ÐÆ÷ (Transducer) Õñ¶¯´«¸ÐÆ÷ (Vibration Transducer) »úе½ÓÊÕ (Mechanical Reception) »úµç±ä»» (Electro-mechanical Conversion) ²âÁ¿µç· (Measuring Circuit) ¹ßÐÔʽ´«¸ÐÆ÷ (Inertial Transducer£¬Seismic Transducer) Ïà¶Ôʽ´«¸ÐÆ÷ (Relative Transducer) µç¸Ðʽ´«¸ÐÆ÷ (Inductive Transducer) Ó¦±äʽ´«¸ÐÆ÷ (Strain Gauge Transducer) µç¶¯Á¦´«¸ÐÆ÷ (Electro-dynamic Transducer) ѹµçʽ´«¸ÐÆ÷ (Piezoelectric Transducer) ѹ×èʽ´«¸ÐÆ÷ (Piezoresistive Transducer) µçÎÐÁ÷ʽ´«¸ÐÆ÷ (Eddy Current Transducer) ËÅ·þʽ´«¸ÐÆ÷ (Servo Transducer) ÁéÃô¶È (Sensitivity) ¸´ÊýÁéÃô¶È (Complex Sensitivity) ·Ö±æÂÊ (Resolution) ƵÂÊ·¶Î§ (Frequency Range) ÏßÐÔ·¶Î§ (Linear Range) ƵÂÊÉÏÏÞ (Upper Limit Frequency) ƵÂÊÏÂÏÞ (Lower Limit Frequency) ¾²Ì¬ÏìÓ¦ (Static Response) ÁãÆµÂÊÏìÓ¦ (Zero Frequency Response) ¶¯Ì¬·¶Î§ (Dynamic Range) ·ùÖµÉÏÏÞ Upper Limit Amplitude) ·ùÖµÏÂÏÞ (Lower Limit Amplitude) ×î´ó¿É²âÕñ¼¶ (Max£®Detectable Vibration Level) ×îС¿É²âÕñ¼¶ (Min£®Detectable Vibration Level) ÐÅÔë±È (S/N Ratio) Õñ¶¯ÅµÄ£Í¼ (Vibration Nomogram) ÏàÒÆ (Phase Shift) ²¨Ðλû±ä (Wave-shape Distortion) ±ÈÀýÏàÒÆ (Proportional Phase Shift) ¹ßÐÔ´«¸ÐÆ÷µÄÎÈ̬ÏìÓ¦ (Steady Response Of Inertial Transducer) ¹ßÐÔ´«¸ÐÆ÷µÄÎÈ»÷ÏìÓ¦ (Shock Response Of Inertial Transducer) Î»ÒÆ¼ÆÐÍµÄÆµÏìÌØÐÔ (Frequency Response Characteristics Vibrometer) ¼ÓËٶȼÆÐÍµÄÆµÏìÌØÐÔ (Frequency Response Characteristics Accelerometer) ·ùÆµÌØÐÔÇúÏß (Amplitude-frequency Curve) ÏàÆµÌØÐÔÇúÏß (Phase-frequency Curve) ¹Ì¶¨°²×°¹²ÕñƵÂÊ (Mounted Resonance Frequency) °²×°¸Õ¶È (Mounted Stiffness) ÓÐÏÞ¸ßÆµÐ§Ó¦ (Effect Of Limited High Frequency) ÓÐÏÞµÍÆµÐ§Ó¦ (Effect Of Limited Low Frequency) µç¶¯Ê½±ä»» (Electro-dynamic Conversion) ´Å¸ÐӦǿ¶È (Magnetic Induction£¬ Magnetic Flux Density) ´Åͨ (Magnetic Flux) ´Å϶ (Magnetic Gap) µç´ÅÁ¦ (Electro-magnetic Force) Ïà¶ÔʽËÙ¶È´« (Relative Velocity Transducer) ¹ßÐÔʽËÙ¶È´«¸ÐÆ÷ (Inertial Velocity Transducer) ËÙ¶ÈÁéÃô¶È (Velocity Sensitivity) µçÎÐÁ÷×èÄá (Eddy-current Damping) ÎÞԴ΢(»ý)·Öµç· (Passive Differential (Integrate) Circuit) ÓÐԴ΢(»ý)·Öµç· (Active Differential (Integrate) Circuit) ÔËËã·Å´óÆ÷ (Operational Amplifier) ʱ¼ä³£Êý (Time Constant) ±ÈÀýÔËËã (Scaling) »ý·ÖÔËËã (Integration) ΢·ÖÔËËã (Differentiation) ¸ßͨÂ˲¨µç· (High-pass Filter Circuit) µÍͨÂ˲¨µç· (Low-pass Filter Circuit) ½ØÖ¹ÆµÂÊ (Cut-off Frequency) ѹµçЧӦ (Piezoelectric Effect) ѹµçÌÕ´É (Piezoelectric Ceramic) ѹµç³£Êý (Piezoelectric Constant) ¼«»¯ (Polarization) ѹµçʽ¼ÓËÙ¶È´«¸ÐÆ÷ (Piezoelectric Acceleration Transducer) ÖÐÐÄѹËõʽ (Center Compression Accelerometer) Èý½Ç¼ôÇÐʽ (Delta Shear Accelerometer) ѹµç·½³Ì (Piezoelectric Equation) ѹµçʯӢ (Piezoelectric Quartz) µçºÉµÈЧµç· (Charge Equivalent Circuit) µçѹµÈЧµç· (Voltage Equivalent Circuit) µçºÉÁéÃô¶È (Charge Sensitivity) µçѹÁéÃô¶È (Voltage Sensitivity) µçºÉ·Å´óÆ÷ (Charge Amplifier) Êʵ÷·Å´ó»·½Ú (Conditional Amplifier Section) ¹éÒ»»¯ (Uniformization) µçºÉ·Å´óÆ÷ÔöÒæ (Gain Of Charge Amplifier) ²âÁ¿ÏµÍ³ÁéÃô¶È (Sensitivity Of Measuring System) µ×²¿Ó¦±äÁéÃô¶È (Base Strain Sensitivity) ºáÏòÁéÃô¶È (Transverse Sensitivity) µØ»ØÂ· (Ground Loop) Á¦´«¸ÐÆ÷ (Force Transducer) Á¦´«¸ÐÆ÷ÁéÃô¶È (Sensitivity Of Force Transducer) µçÎÐÁ÷ (Eddy Current) ǰÖÃÆ÷ (Proximitor) ¼ä϶-µçѹÇúÏß (Voltage vs Gap Curve) ¼ä϶-µçѹÁéÃô¶È (Voltage vs Gap Sensitivity) ѹ×èЧӦ (Piezoresistive Effect) ÖáÏòѹ×èϵÊý (Axial Piezoresistive Coefficient) ºáÏòѹ×èϵÊý (Transverse Piezoresistive Coefficient) ѹ×è³£Êý (Piezoresistive Constant) µ¥¾§¹è (Monocrystalline Silicon) Ó¦±äÁéÃô¶È (Strain Sensitivity) ¹Ì̬ѹ×èʽ¼ÓËÙ¶È´«¸ÐÆ÷ (Solid State Piezoresistive Accelerometer) ÌåÐÍѹ×èʽ¼ÓËÙ¶È´«¸ÐÆ÷ (Bulk Type Piezoresistive Accelerometer) Á¦Æ½ºâʽ´«¸ÐÆ÷ (Force Balance Transducer) µç¶¯Á¦³£Êý (Electro-dynamic Constant) »úµçñîºÏϵͳ (Electro-mechanical Coupling System) 2 ¼ì²âÒÇ±í¡¢¼¤ÀøÉ豸¼°Ð£×¼×°Öà ʱ¼ä»ù×¼ÐźŠ(Time Base Signal) ÀîÈøÈãͼ (Lissojous Curve) Êý×ÖÆµÂÊ¼Æ (Digital Frequency Meter) ±ãЯʽ²âÕñ±í (Portable Vibrometer) ÓÐЧֵµçѹ±í (RMS Value Voltmeter) ·åÖµµçѹ±í (Peak-value Voltmeter) ƽ¾ù¾ø¶ÔÖµ¼ì²¨µç· (Average Absolute Value Detector) ·åÖµ¼ì²¨µç· (Peak-value Detector) ×¼ÓÐЧֵ¼ì²¨µç· (Quasi RMS Value Detector) ÕæÓÐЧֵ¼ì²¨µç· (True RMS Value Detector) Ö±Á÷Êý×Öµçѹ±í (DVM£¬DC Digital Voltmeter) Êý×Öʽ²âÕñ±í (Digital Vibrometer) A/D ת»»Æ÷ (A/D Converter) D/A ת»»Æ÷ (D/A Converter) Ïàλ¼Æ (Phase Meter) µç×ӼǼÒÇ (Lever Recorder) ¹âÏßʾ²¨Æ÷ (Oscillograph) Õñ×Ó (Galvonometer) ´Å´ø¼Ç¼ÒÇ (Magnetic Tape Recorder) DR ·½Ê½(Ö±½Ó¼Ç¼ʽ) (Direct Recorder) FM ·½Ê½(ƵÂʵ÷ÖÆÊ½) (Frequency Modulation) Ê§Õæ¶È (Distortion) »úеʽ¼¤ÕñÆ÷ (Mechanical Exciter) »úеʽÕñ¶¯Ì¨ (Mechanical Shaker) ÀëÐÄʽ¼¤ÕñÆ÷ (Centrifugal Exciter) µç¶¯Á¦Ê½Õñ¶¯Ì¨ (Electro-dynamic Shaker) µç¶¯Á¦Ê½¼¤ÕñÆ÷ (Electro-dynamic Exciter) ҺѹʽÕñ¶¯Ì¨ (Hydraulic Shaker) Һѹʽ¼¤ÕñÆ÷ (Hydraulic Exciter) µçÒº·Å´óÆ÷ (Electro-hydraulic Amplifier) ´ÅÎüʽ¼¤ÕñÆ÷ (Magnetic Pulling Exciter) ÎÐÁ÷ʽ¼¤ÕñÆ÷ (Eddy Current Exciter) ѹµç¼¤ÕñƬ (Piezoelectric Exciting Elements) ³å»÷Á¦´¸ (Impact Hammer) ³å»÷ÊÔÑę́ (Shock Testing Machine) ¼¤Õñ¿ØÖƼ¼Êõ (Excitation Control Technique) ²¨ÐÎÔÙÏÖ (Wave Reproduction) ѹËõ¼¼Êõ (Compression Technique) ¾ùºâ¼¼Êõ (Equalization Technique) ½»Ô½ÆµÂÊ (Crossover Frequency) ×ۺϼ¼Êõ (Synthesis Technique) У׼ (Calibration) ·Ö²¿Ð£×¼ (Calibration for Components in system) ϵͳУ׼ (Calibration for Over-all System) Ä£Äâ´«¸ÐÆ÷ (Simulated Transducer) ¾²Ì¬Ð£×¼ (Static Calibration) ¼òг¼¤ÀøÐ£×¼ (Harmonic Excitation Calibration) ¾ø¶ÔУ׼ (Absolute Calibration) Ïà¶ÔУ׼ (Relative Calibration) ±È½ÏУ׼ (Comparison Calibration) ±ê×¼Õñ¶¯Ì¨ (Standard Vibration Exciter) ¶ÁÊýÏÔ΢¾µ·¨ (Microscope-streak Method) ¹âÕ¤°å·¨ (Ronchi Ruling Method) ¹âѧ¸ÉÉæÌõÎÆ¼ÆÊý·¨ (Optical Interferometer Fringe Counting Method) ¹âѧ¸ÉÉæÌõÎÆÏûʧ·¨ (Optical Interferometer Fringe Disappearance Method) ±³¿¿±³°²×° (Back-to-back Mounting) »¥Ò×У׼·¨ (Reciprocity Calibration) ¹²ÕñÁº (Resonant Bar) ³å»÷У׼ (Impact Exciting Calibration) °Ú´¸³å»÷У׼ (Ballistic Pendulum Calibration) Âä´¸³å»÷У׼ (Drop Test Calibration) Õñ¶¯ºÍ³å»÷±ê×¼ (Vibration and Shock Standard) Âõ¿Ë¶ûÑ·¸ÉÉæÒÇ (Michelson Interferometer) Ħ¶û¸ÉÉæÍ¼Ïó (Moire Fringe) ²Î¿¼´«¸ÐÆ÷ (Reference Transducer) 3 ƵÂÊ·ÖÎö¼°Êý×ÖÐźŴ¦Àí ´øÍ¨Â˲¨Æ÷ (Band-pass Filter) °ë¹¦ÂÊ´ø¿í (Half-power Bandwidth) 3 dB ´ø¿í (3 dB Bandwidth) µÈЧÔëÉù´ø¿í (Effective Noise Bandwidth) ºã´ø¿í (Constant Bandwidth) ºã°Ù·Ö±È´ø¿í (Constant Percentage Bandwidth) 1/N ±¶Æµ³ÌÂ˲¨Æ÷ (1/N Octave Filter) ÐÎ×´Òò×Ó (Shape Factor) ½ØÖ¹ÆµÂÊ (Cut-off Frequency) ÖÐÐÄÆµÂÊ (Centre Frequency) Ä£ÄâÂ˲¨Æ÷ (Analog Filter) Êý×ÖÂ˲¨Æ÷ (Digital Filter) ¸ú×ÙÂ˲¨Æ÷ (Tracking Filter) Íâ²îʽƵÂÊ·ÖÎöÒÇ (Heterodyne Frequency Analyzer) Öð¼¶Ê½ÆµÂÊ·ÖÎöÒÇ (Stepped Frequency Analyzer) ɨÃèʽƵÂÊ·ÖÎöÒÇ (Sweeping Filter Analyzer) »ìƵÆ÷ (Mixer) RC ƽ¾ù (RC Averaging) ƽ¾ùʱ¼ä (Averaging Time) ɨÃèËÙ¶È (Sweeping Speed) Â˲¨Æ÷ÏìӦʱ¼ä (Filter Response Time) ÀëÉ¢¸µÀïÒ¶±ä»» (DFT£¬Discrete Fourier Transform) ¿ìËÙ¸µÀïÒ¶±ä»» (FFT£¬Fast Fourier Transform) ³éÑùƵÂÊ (Sampling Frequency) ³éÑù¼ä¸ô (Sampling Interval) ³éÑù¶¨Àí (Sampling Theorem) ¿¹»ìÂ˲¨ (Anti-aliasing Filter) й© (Leakage) ¼Ó´° (Windowing) ´°º¯Êý (Window Function) ½Ø¶Ï (Truncation) ƵÂÊ»ìÏý (Frequency Aliasing) ÄË¿üË¹ÌØÆµÂÊ (Nyquist Frequency) ¾ØÐδ° (Rectangular Window) ººÄþ´° (Hanning Window) ¿Èû-±´Èû¶û´° (Kaiser-Bessel Window) ƽ¶¥´° (Flat-top Window) ƽ¾ù (Averaging) ÏßÐÔÆ½¾ù (Linear Averaging) Ö¸Êýƽ¾ù (Exponential Averaging) ·åÖµ±£³Öƽ¾ù (Peak-hold Averaging) ʱÓòƽ¾ù (Time-domain Averaging) Æ×ƽ¾ù (Spectrum Averaging) ÖØµþƽ¾ù (Overlap Averaging) Õ¤À¸Ð§Ó¦ (Picket Fence Effect) ¼ª²·Ë¹Ð§Ó¦ (Gibbs Effect) »ù´øÆµÆ×·ÖÎö (Base-band Spectral Analysis) Ñ¡´øÆµÆ×·ÖÎö (Band Selectable Sp4ctralAnalysis) ϸ»¯ (Zoom) Êý×Ö񮮵 (Digital Frequency Shift) ³éÑùÂÊËõ¼õ (Sampling Rate Reduction) ¹¦ÂÊÆ×¹À¼Æ (Power Spectrum Estimate) Ïà¹Øº¯Êý¹À¼Æ (Correlation Estimate) ƵÏ캯Êý¹À¼Æ (Frequency Response Function Estimate) Ïà¸Éº¯Êý¹À¼Æ (Coherence Function Estimate) ³å¼¤ÏìÓ¦º¯Êý¹À¼Æ (Impulse Response Function Estimate) µ¹ÆµÆ× (Cepstrum) ¹¦Âʵ¹ÆµÆ× (Power Cepstrum) ·ùÖµµ¹ÆµÆ× (Amplitude Cepstrum) µ¹ÆµÂÊ (Quefrency) 4 Ðýת»úеµÄÕñ¶¯²âÊÔ¼°×´Ì¬¼à²â ״̬¼à²â (Condition Monitoring) ¹ÊÕÏÕï¶Ï (Fault Diagnosis) ת×Ó (Rotor) תÊÖÖ§³Ðϵͳ (Rotor-Support System) Õñ¶¯¹ÊÕÏ (Vibration Fault) ÖáÕñ¶¯ (Shaft Vibration) ¾¶ÏòÕñ¶¯ (Radial Vibration) »ùƵÕñ¶¯ (Fundamental Frequency Vibration) »ùƵ¼ì²â (Fundamental Frequency Component Detecting) ¼üÏàÐźŠ(Key-phase Signal) Õý·åÏàλ (+Peak Phase) ¸ßµã (High Spot) ¹âµç´«¸ÐÆ÷ (Optical Transducer) ͬÏà·ÖÁ¿ (In-phase Component) Õý½»·ÖÁ¿ (Quadrature Component) ¸ú×ÙÂ˲¨ (Tracking Filter) ²¨µÂͼ (Bode Plot) ¼«×ø±êͼ (Polar Plot) ÁÙ½çתËÙ (Critical Speed) ²»Æ½ºâÏìÓ¦ (Unbalance Response) ²ÐÓàÕñ·ù (Residual Amplitude) ·½Î»½Ç (Attitude Angle) ÖáÐĹ켣 (Shaft Centerline Orbit) Õý½ø¶¯ (Forward Precession) ͬ²½Õý½ø¶¯ (Synchronous Forward Precession) ·´½ø¶¯ (Backward Precession) ÕýÏòÎж¯ (Forward Whirl) ·´ÏòÎж¯ (Backward Whirl) ÓÍĤÎж¯ (Oil Whirl) ÓÍĤÕñµ´ (Oil Whip) ÖáÐÄÆ½¾ùλÖà (Average Shaft Centerline Position) ¸´ºÏ̽ͷ (Dual Probe) Õñ°ÚÐźŠ(Runout Signal) µçѧÕñ°Ú (Electrical Runout) »úеÕñ°Ú (Mechanical Runout) Âý¹ö¶¯ÏòÁ¿ (Slow Roll Vector) Õñ°Ú²¹³¥ (Runout Compensation) ¹ÊÕÏÆµÂÊÌØÕ÷ (Frequency Characteristics Of Fault) ÖØÁ¦ÁÙ½ç (Gravity Critical) ¶ÔÖÐ (Alignment) Ë«¸Õ¶Èת×Ó (Dual Stiffness Rotor) ÄöºÏƵÂÊ (Gear-mesh Frequency) ¼äÈë¼òг·ÖÁ¿ (Interharmonic Component) ±ß´øÕñ¶¯ (Side-band Vibration) ÈýάƵÆ×ͼ (Three Dimensional Spectral Plot) ÆÙ²¼Í¼ (Waterfall Plot) ¼¶ÁªÍ¼ (Cascade Plot) ½×´Î¸ú×Ù (Order Tracking) ½×´Î¸ú×Ù±¶³ËÆ÷ (Order Tracking Multiplier) ¼à²âϵͳ (Monitoring System) Êʵ÷·Å´óÆ÷ (Conditional Amplifier) Ç÷ÊÆ·ÖÎö (Trend Analysis) µ¹ÆµÆ×·ÖÎö (Cepstrum Analysis) Ö±·½Í¼ (Histogram) È·ÈϾØÕó (Confirmation Matrix) ͨƵ·ùÖµ (Over-all Amplitude) ·ùÖµÆ× (Amplitude Spectrum) ÏàλÆ× (Phase Spectrum) ±¨¾¯ÏÞ (Alarm Level) |
4Â¥2006-03-04 19:26:37
tylch
ͳæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 48.8
- Ìû×Ó: 43
- ÔÚÏß: 2.3Сʱ
- ³æºÅ: 224934
- ×¢²á: 2006-03-22
- ÐÔ±ð: GG
- רҵ: ÍÁľ½á¹¹¹¤³Ì
5Â¥2006-03-26 22:37:32
jxxwgbpml
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 744.4
- É¢½ð: 24
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- ÔÚÏß: 62Сʱ
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- ×¢²á: 2006-01-13
- ÐÔ±ð: GG
- רҵ: »úе¶¯Á¦Ñ§
6Â¥2006-08-22 12:15:40
zs200311
ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)
¸ÐÊÜÀËÂþ£¬Æ·Î¶¸ßÑÅ
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ¹ó±ö: 3.1
- ½ð±Ò: 3486.8
- É¢½ð: 4691
- ºì»¨: 26
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- ÔÚÏß: 137.3Сʱ
- ³æºÅ: 253788
- ×¢²á: 2006-05-21

7Â¥2006-09-21 19:34:56

8Â¥2006-09-21 20:31:05














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