第四，医用成像仪中的梯度波形发生器。
Fourth, a Gradient Waveform Generator for clinical MR scanner is described in detail.
谱仪是磁共振成像设备的核心部件之一，梯度波形发生器是谱仪硬件的一个重要单元。
The spectrometer is one of the key components in the MRI system, and the gradient waveform generator is one of the important units in the spectrometer.
文中描述了梯度波形发生器的硬件结构，简介了卡上fpga内部结构及FPGA内部逻辑设计流程。
We pictured the hardware structure of gradient waveform generator. The introduction of FPGA and FPGA design flow is also described.
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