by using reflection free acoustic wave equation and finite difference numerical solution, zero offset time section may be produced to avoid interbed multiples.
this paper introduce a kind of converter based on super chopper-stabilized operational amplifier, which can revise the zero offset of circuit.
文章介绍了一种基于高增益斩波自稳零运放的i/f转换器,使电路本身能够对零位和漂移进行自校正。
under a zero offset condition, a subsurface geologic model can bring an unique forward solution, which, however, may be drawn from innumerable geologic models.
the normai moveout corrected seismic data are mi-grated to the zero offset dipping reflector, which solves the problem in deep layer image.
该技术是将动校正后的数据偏移到倾斜反射界面零偏移距位置上,能够解决深层构造成像问题。
the operation of numerical tool and the programming of part zero offset is the important premise and guarantee to operate programs correctly and produce eligible parts.
数控机床的对刀操作和工件零点偏置的程序编制是正确运行加工程序、生产合格零件的重要前提和保证。
zero offset over a time period and temperature range will stay within the specified limits.
在一定时间和一定温度范围内的零点偏置应在规定的指标之内。
thereafter a waveform sequence is input into the digital-to-analog converter (100), wherein the waveform sequence has a zero offset at the boundary.
此后,将波形序列输入到数字模拟转换器中(100),其中该波形序列具有在边界处的零偏移。
then the azimuth of formation fractures is estimated; and with the joint use of zero offset p wave source vsp data, fast and slow shear wave seismograms are obtained to have fracture density.