Encapsulation Based Method for Natural Frequency Identification of Deployable Solar Arrays with Multiple Plates

Figure 7

First three-order modes of the twofold solar array of PCB plates: (a) mode 1: freq. = 0.7 377 Hz; (b) mode 2: freq. = 3.2 057 Hz; (c) mode 3: freq. = 3.5 942 Hz.

(a)

(b)

(c)