## psola_dupes.png

The image is a graph that illustrates two time axes: "ANALYSIS TIME AXIS" on the top horizontal line and "SYNTHESIS TIME AXIS" on the bottom horizontal line. The vertical lines represent different stages of processes, with dashed lines indicating transitions between these stages.

### Detailed Description:

1. **Axes**:
   - The graph has a horizontal axis labeled as "ANALYSIS TIME AXIS," which spans from left to right.
   - Below it is another horizontal axis labeled as "SYNTHESIS TIME AXIS."

2. **Stages and Transitions**:
   - There are four stages represented by vertical lines on the analysis time axis, each marked with a number: 1, 2, 3, and 4 from left to right.
   - Each stage has corresponding dashed lines that transition into the synthesis time axis.

3. **Transitions**:
   - The first stage (numbered 1) transitions into the second stage on the synthesis time axis.
   - The second stage (numbered 2) transitions into the third stage on the synthesis time axis.
   - The third stage (numbered 3) transitions into the fourth and final stage on the synthesis time axis.

4. **Source**:
   - At the bottom of the image, there is a reference to "Source: Moulines and Charpentier 1990."

This graph appears to be used in an academic or technical context, possibly related to processes that involve both analysis and synthesis phases. The stages are sequentially connected through dashed lines, indicating a flow from one stage to the next on the synthesis time axis after completing each corresponding stage on the analysis time axis.

If you need further clarification or have any specific questions about this graph, feel free to ask!

This description was generated automatically from image files by a local LLM, and thus, may not be fully accurate. Please feel free to ask questions if you have further questions about the nature of the image or its meaning within the presentation.