浙江省高等教育自学考试传感器与检测技术试题（Zhejiang higher education self-study examination sensor and examination technology examination questions）.doc

浙江省高等教育自学考试传感器与检测技术试题（Zhejiang higher education self-study examination sensor and examination technology examination questions） In 2003 January, Zhejiang higher education self-study examination sensor and test technology examination questions 2005-6-11 0:0 [big, small] [I want error correction] Course Code: 02202 First, fill in the blanks (1 points per minute, 15 points) 1. if the tested signal with time periodic changes or changes very quickly, this test is called ________ test. The 2. key to determine the static calibration system is to use the measured non electricity (or power) and the _______ Standard Test system. 3. coil eddy current sensor and the measured object distance is reduced, the mutual inductance coefficient M ________. The 4. semiconductor strain gauge of the piezoresistive effect, sensitivity coefficient it is ________ times metal strain gauge. 5. measurement of quasi-static force signal, the input impedance of the charge amplifier requirements ________1012 (omega). 6. periodic signal is expanded into Fu Liye series, which A0 said the amplitude of the DC component, An said ________ amplitude component. 7. when the tau: wave signal, X (T) of the autocorrelation function Rx (T) is periodic, the signal is ________. 8. LCD is a liquid crystal display, is a ________ power device. 9. A/D conversion card rate ________. 10. in bridge measurement, the bridge connecting method, sensitivity of the output voltage is different, ________ connection can get the maximum sensitivity of output. The main advantage of a 11. order low-pass filter is with strong load capacity, the main drawback is ________. to overcome the shortcomings of the two order or two order above the active low pass filter. 12. absolute humidity gives the specific content in the space of water, and relative humidity are ________ degree of the atmosphere, it is more widely used than the absolute humidity. 13. oxidized gas adsorption to N type semiconductor gas sensitive element, will reduce the n