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The performance of MAMA microchannel plates can be monitored using a MAMA fold distribution procedure. The fold distribution provides a measurement of the distribution of charge cloud sizes incident upon the anode giving some measure of change in the pulse-height distribution of the MCP and comma therefore comma MCP gain. This proposal executes the same steps as the STIS MAMA Fold Distribution comma Proposal 15754 comma as Cycle 27.

MAMA微通道板（MAMA microchannel plates）的性能可通过MAMA折叠分布流程进行监测。该折叠分布可对入射至阳极的电荷云尺寸分布进行定量测量，从而能够表征微通道板（Microchannel Plate，简称MCP）的脉冲高度分布以及MCP增益的变化情况。本提案的执行步骤与第27周期的STIS MAMA折叠分布提案（提案编号15754）完全一致。