Since 1976, National Instruments has equipped engineers and scientists with tools that accelerate productivity, innovation, and discovery. NIs graphical system design approach provides an integrated software and hardware platform that simplifies development of any system t...
Since 1976, National Instruments has equipped engineers and scientists with tools that accelerate productivity, innovation, and discovery. NIs graphical system design approach provides an integrated software and hardware platform that simplifies development of any system that needs measurement and control. Engineers and scientists use this platform from design to production in multiple industries, advanced research, and academia. The companys long-term vision and focus on improving society through its technology has led to strong, consistent company growth and success of its customers, employees, suppliers, and shareholders.
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An Architecture for Object Oriented Hardware Abstraction in LabVIEW
This whitepaper discusses an architecture for hardware abstraction in use at TriQuint for CMOS characterization.
Some of the features of this approach include:
Multiple Dispatch (functionality split by dynamic dispatch inheritance as well as a static action class)
Use of associative array (dictionary) datatype to allow flexible parameter lists
Use of unit testing to create API documentation based via execution of the code itself.
Building an Affordable 8x8 MIMO Testbed with NI USRP
In this whitepaper we explain how to use LabVIEW and the USRP platform to build a phase coherent MIMO testbed that scales from 2x2 to 8x8 antenna configurations and can be used for testing a wide range of MIMO and multi-user communications research.
Do You Know Your True Cost of Test?
Your test strategy plays a role in maintaining your company's competitive advantage.
Many companies look to their design and manufacturing organizations to maintain their competitive advantages in the marketplace. These firms consistently measure common metrics such as development cost, time to market, throughput, quality, and number of returns in order to drive improvements in product-development schedules and processes. But the role of these companies' test strategies in maintaining their competitive advantage is often less clear. This lack of clarity commonly results from less focus on the measure of test-related processes and metrics compared to design and manufacturing.
Improved Co-Simulation Approach to Rapidly Prototype, Verify, and Implement Dynamic FPGA-based Embedded Control Systems
This paper presents a new co-simulation methodology for the rapid prototyping, design, and verification of digital controllers for switching power electronics circuits based on field programmable gate array (FPGA) logic devices. A case study of a closed-loop DC motor drive design, comprising of a digital controller and analog power drive circuitry, is used to illustrate the new co-simulation methodology. Using an NI Multisim SPICE simulation plug-in for the LabVIEW graphical programming environment, the complete system was verified and optimized using transient simulation prior to being implemented in hardware. All FPGA processing elements were designed and simulated in the co-simulation environment before synthesis to digital hardware, including the analog power stage modeled with SPICE.
Instrument Bus Performance Making Sense of Competing Bus Technologies for Instrument Control
This whitepaper describes the difference between a modular instrumentation platform versus a traditional instrumentation platform. To download the complete developers guide (120 pages), visit ni.com/automatedtest.
Power Electronics Fundamentals: DC to AC Power - Inverters
The National Instruments Power Electronics Fundamentals series is designed to provide an overview of power electronics concepts and demonstrate how clear benefits in aiding students understanding can be achieved, through the use of NI Mulitsim. Multisim gives students a comprehensive array of components providing them with the opportunity to fully characterise their circuit design ahead of time spent in the lab. Multisim is a powerful tool used to simulate and prototype Power Electronics circuit designs. When teaching power electronics, the ability for students to practise what they have learnt in a safe prototyping environment becomes essential. NI Multisim EDU is designed with this in mind and allows students to get hands on exploring the core concepts behind Power Electronics circuit design.
Programming Strategies for Multicore Processing: Pipelining
When programming multicore applications, special considerations must be made to harness the power of today's processors. This paper discusses pipelining, which is a technique that can be used to gain a performance increase (on a multicore CPU) when running an inherently serial task.
RF WCDMA Benchmark Comparisons Whitepaper
Understand the speed improvements that software-defined PXI RF instruments deliver over traditional instruments in a benchmark comparison. As the WCDMA measurement results illustrate, inherently parallel LabVIEW measurement algorithms achieve significantly faster execution times than traditional instruments on multicore processors.
Using Energy Harvesting Devices with National Instruments Wireless Sensor Networks (WSN)
For long-term, remote monitoring applications, such as those ideally suited for NI Wireless Sensor Networks, traditional power sources might not always be available. Energy harvesting technology has improved rapidly over the past several years to deliver devices that can provide continual power output from sources like solar energy and vibration. Likewise, wireless sensor network (WSN) devices have reduced power consumption requirements and improved operating efficiency, providing an ideal remote monitoring platform that can be powered by energy harvesting devices. This whitepaper will detail two energy harvesting sources that can be combined with NI WSN hardware to provide continual power to NI WSN measurement nodes in the absence of traditional line power
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