图  1  WSA阳极不同电极结构示意图

Fig.  1  Schematic diagram of different electrode structures in WSA anode

图  2  读出电路信号传输模型和波形示意图

Fig.  2  Signal transmission model of readout circuit and waveform diagram

图  3  积分电容和整形阶数对输出准高斯脉冲峰值的影响

Fig.  3  Effects of integral capacitance and shaping orders on quasi-Gaussian pulse peak

图  4  整形时间$ {\tau }_{i} $和整形阶数n对读出电路输出准高斯脉冲峰值相位的影响

Fig.  4  Effects of shaping time ${\tau _i}$ and shaping order n on peak phase of quasi-Gaussian pulse output in readout circuit

图  5  3路读出电路增益互不相等造成的探测器图像畸变

Fig.  5  Detector image distortion caused by unequal gain of three readout circuits

图  6  读出单路2路增益相等，第3路增益不等于其他2路导致的图像畸变

Fig.  6  Detector image distortion under conditions of gain of two channels of readout circuit is equal, and gain of the third channel is not equal to the other two channels

图  7  电荷注入原理图

Fig.  7  Schematic diagram of charge injection

图  8  探测器读出电路增益校准方案

Fig.  8  Schematic diagram of gain calibration scheme of detector readout circuit

图  9  读出电路经过增益校准补偿后的不同位置电子云质心坐标解码图

Fig.  9  Decoded diagram of electron cloud centroid coordinates at different locations after gain calibration compensation of readout circuit

图  10  探测器的读出电路的增益不相等时的畸变图像

Fig.  10  Distorted image when gain of detector readout circuit is not equal

图  11  增益补偿后的正常图像

Fig.  11  Normal image after gain compensation