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Ansoft Designer / Ansys Designer 在线帮助文档：

Smith Tool >
   Smith Tool Dialog >
       Display Tab >
           Grids

Grids

This group controls the display of grids.

You can display any combination of available grids by selecting the following check boxes:

• Impedance

• Admittance

• Polar

The buttons below the Grid check boxes allow you to display grids of constant value for eight parameters:

• R (resistance)

• X (reactance)

• G (conductance)

• B (susceptance)

• Q (quality factor)

• VSWR (voltage standing wave ratio)

• Rho (reflection coefficient magnitude)

• Ang (reflection coefficient angle)

You can specify a grid by typing its value or by clicking in the graph.

To display a grid by typing its value:

1. In the Start box, type the normalized value of the grid you want to display.

2. Click the appropriate parameter button.

To display a family of grids:

1. Select Step.

2. In the Start box, type the normalized value of the lowest-value grid you want to display.

3. In the Stop box, type the normalized value of the highest-value grid you want to display.

4. In the Incr box, type the step increment.

5. Click the appropriate parameter button.

To display a grid by clicking in the graph:

1. Click the appropriate parameter button. The mouse cursor moves to the graph center, and the corresponding parameter value (in normalized form) appears in the Start box.

2. Click the graph at any point through which the desired grid must pass.

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