Based on a set of low background HPGeγspectrometer,this paper employs Monte Carlo method to investigate passive efficiency calibration method,and a set of passive efficiency software which is suitable for HPGeγspect...
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Based on a set of low background HPGeγspectrometer,this paper employs Monte Carlo method to investigate passive efficiency calibration method,and a set of passive efficiency software which is suitable for HPGeγspectrometer of same coaxial type has been developed,scale of energy calibration is 0-10 *** transport comparison and experimental confirmation have been done to evaluate results of passive efficiency *** shows that the calibration results of passive efficiency calibration software are accurate and reliable,which exhibit relatively highly practical value.
The incorporation of adequate testability,including built-in test(BIT),requires early and systematic management attention to testability requirements,design and measurement. The paper prescribes a systematic approach ...
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The incorporation of adequate testability,including built-in test(BIT),requires early and systematic management attention to testability requirements,design and measurement. The paper prescribes a systematic approach to establishing and conducting testability analysis on basis of digraph theory incorporating set theory,predicate calculus,matrix theory and artificial *** for testability modeling, knowledge compilation and system optimization are all introduced in the *** theory in the paper is applicable to the development of all types of electronic components, equipments,and systems.
The goal of automatic testing system for magnetic field detecting is to solve the debugging problem in masses *** to detecting debugging theory,the testing system includes hardware testing platform,data acquisition an...
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The goal of automatic testing system for magnetic field detecting is to solve the debugging problem in masses *** to detecting debugging theory,the testing system includes hardware testing platform,data acquisition and PC testing *** better adjusting in measure,the hardware testing platform should be rotary and has the function of simultaneous voltage collection in *** PC testing software has the function of automatic analysis and data managing based on *** automatic testing is achieved by data acquisition equipment connecting both the hardware and software testing *** making evaluation to test system performance.
The fault diagnosis strategy based on node - voltage sensitivity sequence is extended into the non-linear *** the piece-wise linearization model of non-linear devices' VCR and the feasible operation field of multi...
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The fault diagnosis strategy based on node - voltage sensitivity sequence is extended into the non-linear *** the piece-wise linearization model of non-linear devices' VCR and the feasible operation field of multi-non-linear device are presented. Secondly,the fluctuation of node-voltage is ranged according to the sensitivity analysis of fault-free circuit Finally,the fault dictionary based on node - voltage sensitivity sequence is *** theory analysis and the experimental results show that the method is feasible and provides a new strategy to test and fault diagnosis of non-linear circuits.
Xi'an Research Institute of Optical all-optical networks in order to solve the"last mile"problem of transmission blocks,developed the"650nm plastic optical fiber transmission systems",which can...
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Xi'an Research Institute of Optical all-optical networks in order to solve the"last mile"problem of transmission blocks,developed the"650nm plastic optical fiber transmission systems",which can be used fiber-optic in LAN,"650nm photoelectric switch"is the core of the transmission system for data exchange,the paper introduced the Ethernet Switch Design and Implementation,from hardware and software system architecture to have done to achieve the specific detail.
With regard to traditional mechanical shuttle embroidery machine,the embedded network module ETR100 is used for realizing the design of shuttle embroidery controller based onμC/OS-Ⅱin this *** electronic lag driven ...
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With regard to traditional mechanical shuttle embroidery machine,the embedded network module ETR100 is used for realizing the design of shuttle embroidery controller based onμC/OS-Ⅱin this *** electronic lag driven by electromagnet is used for replacing traditional perforation tapes and pattern can be displayed on the liquid crystal *** the same time the U-shaped disk is used for depositing styling documents and data is read out by the controller and directly controls embroidery *** system is outstanding with short implemental period and low *** has better reliability, rich function and friendly human-computer interaction. Furthermore it'll improve labor productivity and reduce labor intensity of workers.
A test task scheduling algorithm—TSUL(Task Scheduler based on UUTs model and Limit Theorem of parallel test finish time) algorithm is introduced in this *** the limit theorem of parallel test finish time in analysis ...
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A test task scheduling algorithm—TSUL(Task Scheduler based on UUTs model and Limit Theorem of parallel test finish time) algorithm is introduced in this *** the limit theorem of parallel test finish time in analysis and design, the algorithm determines the minimum time to complete all the parallel *** result can approach or reach the optimal solution as close as *** instances prove that TSUL algorithm is a kind of effective optimum algorithms for static parallel test task scheduling.
This paper introduced the concept of phase noise and its measuring methods,and designed an automatic phase noise test system based on the PN9000 phase noise measuring instrument for a certain type of missile *** propo...
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This paper introduced the concept of phase noise and its measuring methods,and designed an automatic phase noise test system based on the PN9000 phase noise measuring instrument for a certain type of missile *** proposed the composing program,make the work-flow analysis, and make a detailed design for the main module and control *** shows from the experimental results that,the system achieved the required target.
In this paper,a USB/SD Card data sampling device is realized based on file control and administration IC CH376S. Firstly,the control core unit is selected as Mega32 of AVR which communicates to CH376S by SPI and paral...
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In this paper,a USB/SD Card data sampling device is realized based on file control and administration IC CH376S. Firstly,the control core unit is selected as Mega32 of AVR which communicates to CH376S by SPI and parallel port with *** then the keyboard is designed as solely *** functions of device include FAT file control and administration, data uploading real-time,data backup-transport and data *** power dissipation and low cost features are achieved that consist with the popular technical trends for the industry control system..
Compared to present industrial robots future robots, especially service and personal robots,will need much more intelligence,robustness and *** ability to learn contributes to these characteristics and is,therefore, b...
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Compared to present industrial robots future robots, especially service and personal robots,will need much more intelligence,robustness and *** ability to learn contributes to these characteristics and is,therefore, becoming more and more *** three of the numerous varieties of learning are discussed together with results of real-world experiments with three autonomous robots: (1) the acquisition of map knowledge by a mobile robot, allowing it to navigate in a network of corridors,(2) the acquisition of motion control knowledge by a calibration-free manipulator,allowing it to gain task-related experience and improve its manipulation skills while it is working,and(3) a humanoid robot's ability to learn how to perform service tasks in an initially unknown environment through dialogues with initially unknown and untrained users.
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