In this paper,the design of a novel Electro-acupuncture based on current control is *** the Electro-acupuncture,a digital PWM signal was used to control the magnetic flux of inductor,and a quasi continuous current was...
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In this paper,the design of a novel Electro-acupuncture based on current control is *** the Electro-acupuncture,a digital PWM signal was used to control the magnetic flux of inductor,and a quasi continuous current was generated when inductor was *** this way,a controllable current was achieved to stimulate body and it could be recorded for *** experiment results showed that the acupuncture work more effectively than traditional electro-acupuncture.
The phase lock system including PCI DAQ card and PZT was studied,which is based on the principle of homodyne coherent optical detection and LabVIEW virtual instrument *** system overcomes the external interference,PZT...
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The phase lock system including PCI DAQ card and PZT was studied,which is based on the principle of homodyne coherent optical detection and LabVIEW virtual instrument *** system overcomes the external interference,PZT hysteresis and creep *** result shows that the fluctuation of the locked phase is no more than 3π/100 and stability time is no less than 3 *** system has been applied to the coherent light communications.
The paper introduced the advantages of missile approach infrared(IR) warning *** the feasibility of the scanning IR detection applied in airborne missile approach *** principle and the structure of this system are ***...
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The paper introduced the advantages of missile approach infrared(IR) warning *** the feasibility of the scanning IR detection applied in airborne missile approach *** principle and the structure of this system are *** detection range is calculated according to the parameter of the components,which satisfied the *** at the small targets,Designed an appropriate technique for image *** tests,the system could detect and track small targets and also make an alarm signal.
Range-gated technology is adopted to solve the problem of retro reflection that seriously inflect the quality and range of imaging in laser active imaging *** precisely synchronizing both the illuminator and the camer...
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Range-gated technology is adopted to solve the problem of retro reflection that seriously inflect the quality and range of imaging in laser active imaging *** precisely synchronizing both the illuminator and the camera shutter,it is possible to obtain a slice of scene at specific known distances. The paper points out the research direction in the future about the system as well as its development trend on the basis of detailing the principle of range-gated technology and analyzing the development status of the active imaging systems.
It has more difficulty in self-test of the whole integrated Automatic Test System(ATS) because there are many kinds of instruments and switches.A comprehensive self-test plan is presented through analyzing general ATS...
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It has more difficulty in self-test of the whole integrated Automatic Test System(ATS) because there are many kinds of instruments and switches.A comprehensive self-test plan is presented through analyzing general ATS self-test methods based on the instrument built-in-test, instrument comparison and *** plan can be divided into four steps including built-in-test of the instruments,test of the key instruments,test of the switches and the instrument *** can reliably test the availability of the general parts of ATS.
To settle the hierarchy,module,standardization requirements for automatic test system(ATS) software system, it puts forward an ATS software system based on a broad based environment for test(ABBET) *** are 5 concept l...
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To settle the hierarchy,module,standardization requirements for automatic test system(ATS) software system, it puts forward an ATS software system based on a broad based environment for test(ABBET) *** are 5 concept levels in the system,and the test running system is the key part. All kinds of information are integrated to realize test mask in the running *** paper puts forward some special interfaces to realize different *** system is an opening system,and it can be extended,reduced,reused and reconstructed.
The development of unconventional parameters acquisition and analysis system in a gasoline engine with technology of virtual *** object of this research project is detecting the vibration,the noise and the ignition ac...
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The development of unconventional parameters acquisition and analysis system in a gasoline engine with technology of virtual *** object of this research project is detecting the vibration,the noise and the ignition action of gasoline engine on an industrial control *** system has the function of that the results of detection can be saved in a *** can analyze and process the results of detection *** the same time,the system also can detect the alternator and direct current dynamo,which both are assorted with the engine.
Aiming at the poor universality existed in common circuit fault diagnosis system,a general circuit fault diagnosis system is designed in this *** design is completed by adopting the method based on the correlation mat...
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Aiming at the poor universality existed in common circuit fault diagnosis system,a general circuit fault diagnosis system is designed in this *** design is completed by adopting the method based on the correlation matrix and taking the maximal fault characteristics information entropy as the *** experiment shows that the system has strong universality,and the system is not only suitable for the fault detection of analog or digital circuit,but also suitable for the fault detection of mixed signals circuit.
This paper introduces an intelligent instrumentpresents based on a small size,low-power SOPC chip ASF600 and flexible front-end measuring *** instrument applied to a variety of common industrial control signal measure...
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This paper introduces an intelligent instrumentpresents based on a small size,low-power SOPC chip ASF600 and flexible front-end measuring *** instrument applied to a variety of common industrial control signal measurement,such as voltage,thermocouple,resistance,current,*** *** instrument measurement accuracy can reach 0.2% -0.3%.Designed and manufactured in accordance with this instrument can achieve multi-signal input,measurement range auto-switching and automatic digital tuning function.
Using the beam-target and thermonuclear models of neutron production on the DPF chamber,the scaling law of neutron output is *** neutron yield of DPF device is scaled with the stored energy of the power of 2 or the pi...
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Using the beam-target and thermonuclear models of neutron production on the DPF chamber,the scaling law of neutron output is *** neutron yield of DPF device is scaled with the stored energy of the power of 2 or the pinch current of the power of *** the same time,the suitable ranges of the scaling law of the DPF neutron output are discussed under the optimum conditions.
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