求翻译：由图3可知：信号个数、频谱重叠度虽对算法性能有一定影响，但影响不大，究其原因是检测量 在多个信号的情况下能将每个信号的能量累加起来进行考虑，即更充分地将信号能量集中起来利用。是什么意思？

Figure 3 shows: the number of signals, spectral overlap, although there is some influence on the performance of the algorithm, but has little effect on the amount of reason is to detect multiple signals in the case of each of the signal energy can add up to consider, that more fully use the signal e

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May know by Figure 3: Although the signal integer, the frequency spectrum degree of overlap have certain influence to the algorithm performance, but the influence is not big, investigates its reason is examines the quantity to be able to accumulate in many signal situation each signal energy carries

Figure 3: Although the number of signals, the spectrum overlap on the algorithms have some influence, but has little effect, the reason is to detect the volume in case of multiple signal energy add up each signal can be considered, namely signal energy focus more fully on it.

Figure 3: Although the number of signals, the spectrum overlap on the algorithms have some influence, but has little effect, the reason is to detect the volume in case of multiple signal energy add up each signal can be considered, namely signal energy focus more fully on it.