| 1. | Tape coiling velocity measuring sensor device
卷带式测速传感装置。 |
| 2. | Then the sensor devices will transform the varieties of resistance into the varieties of the voltage , and finish the work of gathering the signal . in succession , we have designed and discussed the all and the one
设计的结果能将内、外胎的压力变形敏感转换为电阻的变化，并通过传感装置转换为电压的变化，完成了信号的采取工作。 |
| 3. | In this paper new kinds of y - type and s - type dual - path mass - loading sensor devices fabricated on 128 ? rotated y cut x propagating linbo3 substrate are reported . there are one input idt and two output idts in these devices
本论文在128旋转y切割? x传播方向的linio _ 3基片上研制了结构新型的y型和s型双声路声表面波质量沉积效应传感器件。 |
| 4. | The new sensitive materials deposited on laps with electron beam thermal evaporation meet the requirements for fabricating miniaturised sensor devices and can be employed in environmental control such as detection of heavy metal ions
在最后，我们提出了基于硫属玻璃薄膜laps的新结构和新的测量方法，并进而提出我们对laps在海水重金属检测应用中可能的发展方向。 |
| 5. | Ferroelectric bulk ceramics have been widely used in many fields as sensor devices , and actuator devices because they can transfer the following information into each other : mechanical information , electronic information , thermal information , et al
铁电块材因其具有可将电信号、机械信号和热信号之间相互转换的特征而在通信、导航、精密测量、信息存储等领域得到广泛的应用。 |
| 6. | Y type and s type dual - path saw mass sensors have been tested and analysed in detail . their frequency domain characteristics and time domain characteristics have been tested under non - oscillatory mode . transmission characteristics of y type s type and " - " type saw mass sensors are derived by p matrix representation . primary delay signal triple reflection signal and quintuple reflection signal of these sensor devices have been analysed in detail
结果表明，在正常工作模式下， y型和s型双声路声表醚质量传感器件的三次渡越反射信号和五次渡越反射信号比“一”字型双声路声表醚质量传感器件的三次渡越反射信号和五次渡越反射信号分别小12db 、 16 . 67db和n _ . sdb ? 17 . 3db 。 |
| 7. | Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device . after output signal of delay line oscillator is smoothed , it mixes with 109mhz local oscillation signal . its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit
延迟线振荡器由宽带放大器、可调衰减器和声表面波质量传感器件构成。延迟线振荡器输出信号经滤波后与109mhz的本机晶体振荡器输出信号相混频，通过低通滤波取其差频，并经整形后由数字信号处理电路处理。 |
| 8. | Saw excitated by input idt is divided axisymmetrily ( y type ) or centrosymmetrily ( s type ) into two pathes and detected by their output idts . there is a mass loading area located accurately in each acoustic path and fabricated by photolithography technology in y type and s type mass loading sensor devices . as the characteristics of saw sensor are greatly influenced by temperature , these sensors have one acoustic path for reference another acoustic path for measurement in order to reduce the influence of temperature
它们各自具有一个输入idt和两个输出idt 。输入idt激发的saw经过耦合器按轴对称( y型)和中心对称( s型)分成两路，分别由输出idt检测输出。在y型和s型saw质量沉积效应传感器件的传播路径上都有一个由光刻工艺精确定位的质量沉积区。 |
