【摘要】 基于大地测量仪器所观测的地球物理变化量的性质和特点,介绍了一种可用于多种类型的大地测量仪器的高精度信号采集装置,以及配套研制的适应于应变固体潮、应变地震波、地脉动等多种观测需要的数字滤波技术和计算机虚拟仪表终端。更多还原

【Abstract】 This paper discussed the disadvantages of the geodetic instruments of second generation in data recording and signal processing.For surmounting these disadvantages, a signal acquisition divice matching for mainfold geodetic instruments and a kind of digital filtering lechnique and virtual instrument termired have been developed.The experiments prove that its stability and precision are satisfactory.更多还原