CN202996147U - Digital signal processing test platform - Google Patents
Digital signal processing test platform Download PDFInfo
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- CN202996147U CN202996147U CN 201320015406 CN201320015406U CN202996147U CN 202996147 U CN202996147 U CN 202996147U CN 201320015406 CN201320015406 CN 201320015406 CN 201320015406 U CN201320015406 U CN 201320015406U CN 202996147 U CN202996147 U CN 202996147U
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Abstract
The utility model provides a digital signal processing test platform, and relates to a digital signal processing platform. The digital signal processing test platform is applicable to the verification of the digital signal processing on an actual hardware platform, and the requirement of each functional module which is not packaged within the structure of the test platform. A power supply, a signal generator, a digital type alternating current millivoltmeter, a frequency indicator and a frequency sweeping source of the digital signal processing test platform are fixedly arranged on the bottom surface of a base plate; the power supply is used for supplying power to a digital signal processing circuit; a signal output end of the signal generator is connected with a signal input end of the digital signal processing circuit; an alternating current millivolt data output end of the digital type alternating current millivoltmeter is connected with an alternating current millivolt data input end of the digital signal processing circuit; a frequency data output end of the frequency indicator is connected with a frequency data input end of the digital signal processing circuit; and a frequency sweeping source signal output end of the frequency sweeping source is connected with a frequency sweeping source signal input end of the digital signal processing circuit. The digital signal processing test platform is applicable to the digital signal processing test process.
Description
Technical field
The utility model relates to a kind of digital signal processing platform.
Background technology
There are the following problems for existing Digital Signal Processing Experiment:
1, experimental courses is main mainly with MATLAB emulation, can only carry out the emulation of digital signal processing algorithm, and can not verify on the hardware platform of reality;
2, each experiment of existing Digital Signal Processing Experiment platform provides mainly with the form of module, in module, experiential function is encapsulated, and allows the space that the student freely brings into play greatly reduce, and is difficult to reach the purpose that exercise student ' is put into practice technical ability.
Summary of the invention
The present invention verifies on the hardware platform of reality in order to adapt to digital signal processing, and to the non-demand that is encapsulated in the experiment porch inner structure of each functional module, thereby a kind of Digital Signal Processing Experiment platform is provided.
The Digital Signal Processing Experiment platform, it comprises digital signal processing circuit 1, substrate, power supply 2, signal generator 3, digital AC milivoltmeter 4, frequency meter 5 and Sweep Source 6; Described digital signal processing circuit 1 is integrated on substrate; Power supply 2, signal generator 3, digital AC milivoltmeter 4, frequency meter 5 and Sweep Source 6 are fixed on the bottom surface of substrate;
Described power supply 2 is used for to digital signal processing circuit 1 power supply; The signal output part of signal generator 3 is connected with the signal input part of digital signal processing circuit 1; The interchange millivolt data output end of digital AC milivoltmeter 4 is connected with the interchange millivolt data input pin of digital signal processing circuit 1; The frequency data output terminal of frequency meter 5 is connected with the frequency data input end of digital signal processing circuit 1; The Sweep Source signal output part of Sweep Source 6 is connected with the Sweep Source signal input part of digital signal processing circuit 1.
Digital signal processing circuit 1 comprises control circuit 1-1, sound transducer 1-2, imageing sensor 1-3, analog to digital converter 1-4, digital to analog converter 1-5 and driving circuit 1-6;
The sound collection signal output part of sound transducer 1-2 is connected with the sound collection signal input part of analog to digital converter 1-4; The image pick-up signal output terminal of imageing sensor 1-3 is connected with the image pick-up signal input end of analog to digital converter 1-4; The digital signal output end of described analog to digital converter 1-4 is connected with the digital signal input end of control circuit 1-1; The digital signal output end of control circuit 1-1 is connected with the digital signal input end of analog to digital converter 1-5; The analog signal output of described analog to digital converter 1-5 is connected with the signal input part of driving circuit 1-6; The external signal output terminal of input circuit 1-8 is connected with the external signal input end of control circuit 1-1.
Digital signal processing circuit 1 also comprises display circuit 1-7, and the display input end of described display circuit 1-7 is connected with the display output terminal of control circuit 1-1.
Digital signal processing circuit 1 also comprises FLASH storer 1-9, and the signal input part of described FLASH storer 1-9 is connected with the FLASH signal output part of control circuit 1-1.
Digital signal processing circuit 1 also comprises ARM storer 1-10, and the signal input part of described ARM storer 1-10 is connected with the ARM signal output part of control circuit 1-1.
The utility model can be verified digital signal processing on the hardware platform of reality, and each functional module is encapsulated in the outside of experiment porch.Realized in teaching process, improve the student in the performance space of digital signal processing, exercise student ' is put into practice the purpose of technical ability.
Description of drawings
Fig. 1 is structural representation of the present utility model; Fig. 2 is the structural representation of digital signal processing circuit.
Embodiment
Embodiment one, in conjunction with Fig. 1, this embodiment is described, the Digital Signal Processing Experiment platform, it comprises digital signal processing circuit 1, substrate, power supply 2, signal generator 3, digital AC milivoltmeter 4, frequency meter 5 and Sweep Source 6; Described digital signal processing circuit 1 is integrated on substrate;
Described power supply 2 is used for to digital signal processing circuit 1 power supply; The signal output part of signal generator 3 is connected with the signal input part of digital signal processing circuit 1; The interchange millivolt data output end of digital AC milivoltmeter 4 is connected with the interchange millivolt data input pin of digital signal processing circuit 1; The frequency data output terminal of frequency meter 5 is connected with the frequency data input end of digital signal processing circuit 1; The Sweep Source signal output part of Sweep Source 6 is connected with the Sweep Source signal input part of digital signal processing circuit 1.
Advantage of the present utility model is as follows:
1, can strengthen student's the technical ability of putting into practice, for strengthen the student put into practice technical ability and engineering experience will have certain facilitation.
2, can strengthen the general of hardware platform, the processor that the utility model adopts and programmable logic device (PLD) are all present the most general domestic chip, so practical teaching by this platform, can not only improve student's engineering experience, the versatility of this hardware platform of what is more important will be worked to the student in the future and be played a multiplier effect.
3, the combination of energy reinforcement theory and practice
Digital Signal Processing Experiment platform of the present utility model has carried out the hardware realization with the rudimentary algorithm of digital signal processing and theoretical experiment, carries out effective combination by hardware experiments and MATLAB emulation, embodiment be theory and practice interdependent dialectical relationship each other.
Embodiment two, in conjunction with Fig. 2, this embodiment is described, the difference of this embodiment and the described Digital Signal Processing Experiment platform of embodiment one is, digital signal processing circuit 1 comprises control circuit 1-1, sound transducer 1-2, imageing sensor 1-3, analog to digital converter 1-4, digital to analog converter 1-5 and driving circuit 1-6;
The sound collection signal output part of sound transducer 1-2 is connected with the sound collection signal input part of analog to digital converter 1-4; The image pick-up signal output terminal of imageing sensor 1-3 is connected with the image pick-up signal input end of analog to digital converter 1-4; The digital signal output end of described analog to digital converter 1-4 is connected with the digital signal input end of control circuit 1-1; The digital signal output end of control circuit 1-1 is connected with the digital signal input end of analog to digital converter 1-5; The analog signal output of described analog to digital converter 1-5 is connected with the signal input part of driving circuit 1-6; The external signal output terminal of input circuit 1-8 is connected with the external signal input end of control circuit 1-1.
Input circuit 1-8 in present embodiment is used for receiving the input signal of power supply 2, signal generator 3, digital AC milivoltmeter 4, frequency meter 5 and Sweep Source 6; Driving circuit 1-6 is used for driving the work of outside topworks, as: motor etc.
The difference of embodiment three, this embodiment and the described Digital Signal Processing Experiment platform of embodiment two is, digital signal processing circuit 1 also comprises display circuit 1-7, and the display input end of described display circuit 1-7 is connected with the display output terminal of control circuit 1-1.
Present embodiment is used for each parameter and image are carried out simultaneous display.
The difference of embodiment four, this embodiment and the described Digital Signal Processing Experiment platform of embodiment three is, digital signal processing circuit 1 also comprises FLASH storer 1-9, and the signal input part of described FLASH storer 1-9 is connected with the FLASH signal output part of control circuit 1-1.
Present embodiment is used for each parameter and voice data, view data are carried out the FLASH storage.
The difference of embodiment five, this embodiment and the described Digital Signal Processing Experiment platform of embodiment three is, digital signal processing circuit 1 also comprises ARM storer 1-10, and the signal input part of described ARM storer 1-10 is connected with the ARM signal output part of control circuit 1-1.
Present embodiment is used for each parameter and voice data, view data are carried out the ARM storage.
The difference of embodiment six, this embodiment and embodiment two, three, four or five described Digital Signal Processing Experiment platforms is, the realization of control circuit 1-1 employing ARM TM32 processor.
Control circuit in present embodiment adopts the ARM chip, and the ARM chip has stronger transaction ability, and abundant interface is arranged, and can run embedded OS in chip.Its Heterosis certainly, because it is the microprocessor of 32, also has certain numerical operation ability controlling conveniently, and some are not that too high exclusive disjunction amount is not that very large digital signal processing algorithm also can be realized with ARM to requirement of real-time.Therefore present embodiment key figure signal processing module adopts ARM to realize.
Claims (5)
1. Digital Signal Processing Experiment platform, it is characterized in that: it comprises digital signal processing circuit (1), substrate, power supply (2), signal generator (3), digital AC milivoltmeter (4), frequency meter (5) and Sweep Source (6); Described digital signal processing circuit (1) is integrated on substrate; Power supply (2), signal generator (3), digital AC milivoltmeter (4), frequency meter (5) and Sweep Source (6) are fixed on the bottom surface of substrate;
Described power supply (2) is used for powering to digital signal processing circuit (1); The signal output part of signal generator (3) is connected with the signal input part of digital signal processing circuit (1); The interchange millivolt data output end of digital AC milivoltmeter (4) is connected with the interchange millivolt data input pin of digital signal processing circuit (1); The frequency data output terminal of frequency meter (5) is connected with the frequency data input end of digital signal processing circuit (1); The Sweep Source signal output part of Sweep Source (6) is connected with the Sweep Source signal input part of digital signal processing circuit (1).
2. Digital Signal Processing Experiment platform according to claim 1, is characterized in that digital signal processing circuit (1) comprises control circuit (1-1), sound transducer (1-2), imageing sensor (1-3), analog to digital converter (1-4), digital to analog converter (1-5) and driving circuit (1-6);
The sound collection signal output part of sound transducer (1-2) is connected with the sound collection signal input part of analog to digital converter (1-4); The image pick-up signal output terminal of imageing sensor (1-3) is connected with the image pick-up signal input end of analog to digital converter (1-4); The digital signal output end of described analog to digital converter (1-4) is connected with the digital signal input end of control circuit (1-1); The digital signal output end of control circuit (1-1) is connected with the digital signal input end of analog to digital converter (1-5); The analog signal output of described analog to digital converter (1-5) is connected with the signal input part of driving circuit (1-6); The external signal output terminal of input circuit (1-8) is connected with the external signal input end of control circuit (1-1).
3. Digital Signal Processing Experiment platform according to claim 2, it is characterized in that digital signal processing circuit (1) also comprises display circuit (1-7), the display input end of described display circuit (1-7) is connected with the display output terminal of control circuit (1-1).
4. Digital Signal Processing Experiment platform according to claim 3, it is characterized in that digital signal processing circuit (1) also comprises FLASH storer (1-9), the signal input part of described FLASH storer (1-9) is connected with the FLASH signal output part of control circuit (1-1).
5. Digital Signal Processing Experiment platform according to claim 3, it is characterized in that digital signal processing circuit (1) also comprises ARM storer (1-10), the signal input part of described ARM storer (1-10) is connected with the ARM signal output part of control circuit (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015406 CN202996147U (en) | 2013-01-11 | 2013-01-11 | Digital signal processing test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015406 CN202996147U (en) | 2013-01-11 | 2013-01-11 | Digital signal processing test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202996147U true CN202996147U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320015406 Expired - Fee Related CN202996147U (en) | 2013-01-11 | 2013-01-11 | Digital signal processing test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202996147U (en) |
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2013
- 2013-01-11 CN CN 201320015406 patent/CN202996147U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20140111 |