光栅数字地震检波器的研制成功，提高了检波器的精度和动态范围。
The development of grating digital geophone enhances geophone precision and dynamic range.
重点介绍了光栅数字地震检波器的结构设计、理论分析、辨向细分技术等。
Configuration design, theory analysis, directions distinguish and subdivision technology are presented as emphasis.
用于地震勘探电缆接收道的数字检波器，其性能已有了很大提升。
The performance of the digital detector used in cable receive channel has been improved obviously.
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