声表面波振荡器的英文

• sound surface wave oscillator
• surface acoustic wave oscillator

• "声"英文翻译    sound; voice
• "表面波"英文翻译    surface wave
• "振荡器"英文翻译    oscillator; generator; alter ...
• "声表面波调频振荡器" 英文翻译 :    sound surface wave frequency-modulated oscillator
• "声表面波压控振荡器" 英文翻译 :    sound surface wave pre ure control oscillator; sound surface wave pressure control oscillator
• "表面声波振荡器" 英文翻译 :    acoustic wave oscillator
• "超声表面波" 英文翻译 :    ultrasonic surface wave
• "声表面波" 英文翻译 :    acoustic surface wave; saw sface acostic wave; saw surface acoustic wave; sawsurfaceacousticwave; surface acoustic wave (saw); surface acoustic wave （saw）
• "声表面波薄膜" 英文翻译 :    sound surface wave thin coating
• "声表面波波导" 英文翻译 :    surface acoustic waveguide
• "声表面波技术" 英文翻译 :    surface acoustic wave techniques
• "声表面波器件" 英文翻译 :    saw device; surface acoustic wave (saw) device; surface acoustic wave （saw） device
• "单波振荡器" 英文翻译 :    single wave oscillator; single-wave oscillator
• "短波振荡器" 英文翻译 :    short wave oscillator; short-save oscillator
• "反波振荡器" 英文翻译 :    backward wave odcillator
• "返波振荡器" 英文翻译 :    backward wave oscillator; backward-wave oscillator
• "回波振荡器" 英文翻译 :    backward wave oscillator; backward-wave oscillator
• "滤波振荡器" 英文翻译 :    filter oscillator
• "逆波振荡器" 英文翻译 :    backward wave oscillator
• "全波振荡器" 英文翻译 :    all wave oscillator; all-wave oscillator
• "微波振荡器" 英文翻译 :    microwave generating source; microwave oscillator
• "谐波振荡器" 英文翻译 :    harmonic oscillator; harmonicoscillator
• "行波振荡器" 英文翻译 :    two traveling wave oscillator
• "载波振荡器" 英文翻译 :    carrier oscillator
• "声表面波编码器" 英文翻译 :    surface acoustic wave coder

• For very high frequency clocks , a surface acoustic wave ( saw ) oscillator is preferable
  对于非常高的频率时钟，用声表面波振荡器更好。
• Surface transverse wave has the 1 . 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1 . 6 high frequency than rayleigh type surface acoustic wave ) . the paper introduces the theory , design parament , technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave , simple stw ) with low insertion loss , high q and researches the high frequency , low phase noise oscillator with 1ghz stw resonator as frequency element . and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator
  本文研究了以低损耗、高q值声表面波(其中包括声表面瑞利波- - rayleighsurfaceacousticwave ,和声表面横波等)谐振器的工作原理、设计参数、制作工艺及其实验结果,并且研究了以1ghzstw谐振器为频控元件的高频率、低相位噪声声表面波振荡器,以及低相位噪声声表面波振荡器的测试方法和最终的测试结果。
• At present the manufacture of surface acoustic wave use the technology of the final submicron . a series of the devices of low insertion loss , high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db , load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research . these difference frequencies are 60mhz , 280mhz , 739mhz and 1ghz of normal frequency and at also surface acoustic wave . using 1 . 25db noise factor amplifier , careful design curcuit , good setting printed curcuit board , and using the 1ghz surface transverse wave resonator as frequency element , researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier , spurious suppress with 80db
  本研究采用一阶温度系数为零的压电石英基片上制作出损耗小于5db 、有载品值因素( ql值)超过1000的一系列低损耗、高q值声表面波rayleigh波或stw谐振器,频率分别为60mhz 、 280mhz 、 739mhz和1ghz等不同频率的高性能声表面波谐振器。并采用噪声系数为1 . 25db的低噪声系数放大器,精心设计电路,优化设计布置印制电路板,用标称频率为1ghz的声表面波谐振器为频率控制元件,制作出在偏离载频1khz处的单边带相位噪声近- 120dbc / hz 、杂波抑制达80db以上的低相位噪声声表面波振荡器。