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Nexxim Simulator >
Nexsys Discrete Time Domain Analysis >
Creating and Simulating a Nexsys Design >
Display Nexsys Simulation Results

Display Nexsys Simulation Results

The results of Nexsys discrete time simulations may be viewed in one of the following domains in the Reporter:

• Sweep Domain

• Time Domain (Standard, Constellation, Eye Diagram and Statistical report types)

• Spectral Domain

Nexsys Probes

Obtaining measurements for discrete time analysis requires the use of probes. Some probes are applicable only to the Sweep Domain. Examples of such probes include the BERP and ACPRP probes (since the BER and ACPR responses are typically plotted against some swept parameter). Signal, voltage, and power probes are applicable only to the Time and Spectral Domains, since the response obtained from these probes is typically plotted against time or frequency. Time and Spectral displays may also be viewed for different swept values. A special class of probes provides statistical displays of time domain signals, such as histogram and CCDF probes.

Currently, the following probes are available:

ACPRP: Adjacent Channel Power Ratio Probe (Sweep Domain).

AVGPP: Average Power Probe (Sweep Domain)

BERP: Bit Error Rate Probe (Sweep Domain)

CCDFP: Complementary Cumulative Distribution Function Probe (Statistical Time Domain)

CDFP: Cumulative Distribution Function Probe (Statistical Time Domain)

CFP: Crest Factor Probe (Sweep Domain)

EVMP: Error Vector Magnitude Probe (Sweep Domain)

FTRAJP: Frequency Trajectory Probe (Time Domain) for tracking frequency changes in a PLL. This probe may be connected to the output of a VCO.

HISTP: Histogram Probe (Statistical Time Domain)

PAPP: Peak-to-Average Power Probe (Sweep Domain)

PDFP: Probability Density Function Probe (Statistical Time Domain)

PSDP: Power Spectral Density Probe (Spectral Domain).

RMSP: Root Mean Square Probe (Sweep Domain)

SNDP: Signal to Noise and Distortion Probe (Sweep Domain).

SP: Signal Probe (Time and Spectral Domains)

PNP: Phase Noise Probe.

For more information on the measurements obtained by each probe, refer to the probe component help topics.

Generating Reports

Once the signal analysis is performed, bring up the Create Report editor to display the results for the Standard, Constellation, Eye Diagram or Statistical Reports. After selecting the solution (analysis) of interest and one of the available domains (Time, Spectral or Sweep) from the Domain field, select the probe responses available for display from the Quantity field of the editor. Once a specific probe response is selected, a list of functions and units in the Function field will be displayed. The user can then view the probe response in any of the forms available in the Function list. See Generating Reports and Postprocessing for details.

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