Fig. 2: Illustration of a phase diagram of the response module. | Communications Physics

Fig. 2: Illustration of a phase diagram of the response module.

From: A phase diagram structure determines the optimal sensitivity-precision trade-off in signaling systems

Fig. 2

Different responses, to various \({S}_{1}\) and \({S}_{2}\), are exhibited as different colors on the \({S}_{1}-{S}_{2}\) plane. The iso-response curves and the signal curve are two decisive geometric features. The green curve denotes an example iso-response curve \(R={R}_{0}\). The signal curve (red curve) represents the intermediate signals \({S}_{1}\) and \({S}_{2}\) under different external input \(I\) without noise. The green and red dashed lines denote the linear extension and the slopes,\(\,{k}_{{{{{{\rm{r}}}}}}}\) and \({k}_{{{{{{\rm{s}}}}}}}\), of the two curves at the intersection point, respectively.

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