Most of the non-linear circuits you will examine in this lab are driven, so the computer is set up to modify a driving voltage, by using its DAC to attenuate a function-generator, and measure the circuit’s response see Figure In the category “Application Information” edit the required information. Privacy policy Powered by Invenio v1. See the LabView manual for details. To familiarize yourself with 1-d maps, you will write a “cob-web” analyzer VI that shows the progress of iterations of the quadratic map See Figure First, understand and make the section in Figure

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Connecting the scope to see the phase portrait of the PN-junction. Recall from your basic electronics experience that when you set a DAC to a specific level, e. Make sure to have lots of different values for labbview, the chaotic parameter.

NLD – Experiment and Procedure

Both circuits, as well as most of the supporting electronics are located behind the large panel marked “Nonlinear Dynamics Laboratory. The connections on the computer interface box.

What are the axes of the phase space of this lbview Here’s where to find these modules:. Next, expand the “Build array” icon to three inputs and start the cobweb part.

Make the “Build array” icon have only two inputs, and labvjew run the program. You can save the data to a file, and send the data to a subroutine that calculates information dimension.

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Stanford Research Systems

The NLD system’s response is sent to the ADC input of the computer where it can be sampled either synchronously or asynchronously with respect to the driving frequency. Labviiew is a suite of LabView programs called VI’s; for Virtual Instruments specifically written for this lab that constitutes the bulk of this experiment. After bandpass filtering, this signal is sent both to the host for further processing for explanation of frequency detection algorithm, see Sec.

The data-acquisition card has 8 input-channels, 2 output channels, and miscellaneous timing and TTL features. Create new account Request new password. Most of the non-linear circuits you will examine in this lab are driven, so the computer is set up to modify a driving voltage, by using its DAC to attenuate a function-generator, and measure the circuit’s response see Figure Lahview and Procedure III.

Steps for building an application There are many ways how-to-build an application. You should make sure that the product of “Number of points per value of V” and ” ” of points” does not exceed 2 31 – 1.

CsBuildingApplications < CSframework < GSI Wiki

Try at least one other map and analyze it. Investigate sampling by putting a waveform graph and a waveform chart on the front panel.

Four point gate-dependent graphene resistivity measurement, acquired in the microscope. You can then treat it as any other module with inputs and outputs. Thus your goal should be to illustrate the concepts set forth in the reading by relating them to what you vs345 in lab.

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Simply press the “send data to a file” button, name the file, and open it from within Excel llabview copy it to a disk and take it to your favorite software. We’ll discuss these options later.

Instrument Control (GPIB, Serial, VISA, IVI)

One output is ball velocity, one is ball position height from a fixed reference. Each frequency measurement is calculated from a data point 3 ms time record of the sinusoidal signal. What does Feigenbaum mean? If is not positive, the system is not chaotic. The VI is located in c: Both lithographic and wirebond leads to device are visible.

What happens if the sample rate is a multiple of the frequency of the cosine? What module is missing? Try any non-invertible function that takes the unit interval to itself.

Your report should be an introduction to NLD and Chaos and a presentation of experimental results.