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Based on "soft test" of the military test system design technology - electronics industry
Modern military test system for new challenges
Level of development of modern science and technology, military weaponry and equipment system updates faster and deeper complexity, Electronic increasing degree, etc., these military-industrial complex in the appearance of new features, making military test systems tested various types of signals, the correlation between the signals to close after the signal analysis process more difficult. At the same military industry specific environmental requirements, but also to test equipment is relatively heavy environment.
The characteristics of the modern defense industry requires us to test systems to fully take into account the following aspects of their needs.
1. Test the reliability of the system requirements: This reliability, including software and hardware platform of reliability, the development of the platform itself have a high reliability, and asked the selected platform to a certain degree of long-term support.
2. Test system accuracy requirements: reflected in the measurement precision, accuracy, and therefore the number of channels.
3. Test the adaptability of the system requirements: for the modern military test systems of many types of signals to test, test steps and flexible features, testing for the test system should provide maximum adjustable multi-function adaptive space, regardless of test steps or hardware resources can be flexibly configured to measure really, with the appropriate motions.
4. Scalability Test the system needs: the rapidly changing trends, consider the need for the test system offers a wide range of expansion space to the maximum to ensure reuse, reduce development cycles and costs.
Meet the military industrial test system requirements "soft test" of modern military technology industry, according to development needs, in conjunction with Global China military control over the years in terms of hard practice test, measurement and control is the result of Global China proposed a test of the core technology? "Flexible test" techniques. It is based on virtual instrument technology, test and measurement technology, mechatronics, software technology, communication and network technology Based on the system accuracy, reliability, adaptability, flexibility testing, and expanding research objectives, concerned about the overall function of test and measurement systems and performance, the system requirements can be tested and measurable ways and means to satisfy in-depth study of a technology. "Soft test" proposed technology in line with the military industrial test system reliability, accuracy, flexibility and scalability needs of its military industry, not only to the test organized guide, the current testing technology development trend in China.
By the practical application of the following cases to illustrate how a military industry to the various requirements of the test system to meet building. Basic platform of choice
Modern military test systems hardware platform for multi-signal type and a high degree of correlation between the signal characteristics and the combination of "soft test" technology the pursuit of test reliability, adaptability, scalability and other important design requirements, we selected the PC-based PXI platform reliability.
Of course, the choice of hardware platform, there are many options to choose from, we chose to meet the needs of the defense industry to meet, while better in terms of test and measurement program. PXI not only avoids the use of ordinary PC, in transport, environment, working conditions, pressures, and avoided the use of traditional instruments to test to set the low cost and reusability issues. Not only the quality of the PXI platform for reliability, performance and other requirements, the modular design also makes the applicability and scalability can be protected.
Applications
A general-purpose test system is shown Figure 1 is based on the PXI-SCXI chassis mixed construction, the adaptive system with a high signal, with the pressure, voltage, temperature, frequency, speed and other various types of signal reception, a significant reduction in hardware costs, achieving the unity of the different types of integrated signal measurement.