Ratio of maximum-minimum eigenvalue of each sub-band data of the received signal in Fig 4(A).

<p>Ratio of maximum-minimum eigenvalue of each sub-band data of the received signal in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0136349#pone.0136349.g004" target="_blank">Fig 4(A)</a>.</p

Magnitude Response of Designed Prototype Filter.

<p>Magnitude Response of Designed Prototype Filter.</p

(a) Spectrum of Received Signal Containing 4 Sub-channels, (b)-(e) Channelized Signals Using Proposed Structure.

<p>(a) Spectrum of Received Signal Containing 4 Sub-channels, (b)-(e) Channelized Signals Using Proposed Structure.</p

Detection probability of MDL and GDE for signals with colored noise.

<p>Detection probability of MDL and GDE for signals with colored noise.</p

Detection probability of MDL and GDE for signals with white noise.

<p>Detection probability of MDL and GDE for signals with white noise.</p

Detection probability of original and improved methods for signals with colored noise.

<p>Detection probability of original and improved methods for signals with colored noise.</p

(a) Spectrum of Received Signal Containing 3 Sub-channels, (b)~(d) Channelized Signals Using Proposed Structure.

<p>(a) Spectrum of Received Signal Containing 3 Sub-channels, (b)~(d) Channelized Signals Using Proposed Structure.</p