【摘要】 电磁发射机是瞬变电磁探测系统的重要组成部分。论文提出了一种单极性脉冲电流发射机,介绍了该发射机的设计电路,实现了发射电流、发射电压及延迟时间的测量。该发射机具有体积小、重量轻、发射电流延迟时间短、线性度高、幅值稳定等特点。经实验测试,其各项性能基本达到了设计要求。更多还原

【Abstract】 Transient electromagnetic transmitter is an important part of the detection system.The paper proposes a unipolar pulse current transmitter and describes the design of the transmitter circuit to achieve the emission current,voltage and delay time of measurements.The transmitter has the feature of small size,light weight,emission current short delay time,high linearity and amplitude stable.Experiments show that the transmitter performance achieves the required specifications.更多还原