Swept sine waves are useful when you need to test a product over a wide frequency range. For example, if a large-scale research project needs to determine how waves propagate in the open ocean, the application needs to generate swept frequency ...
Introduction Time frequency measurement is an important field of electronic measurement. To achieve time frequency measurement, a good frequency source is needed. Among various frequency sources, especially for crystal oscillators, the stability ...
In traditional electronic measurements, measurement instruments such as multimeters, oscilloscopes, spectrum analyzers, and logic analyzers are often used. In comprehensive electronic measurement, a variety of different precisions and functions are often used. ...
In vacuum technology applications, gas microflows are measured by gas microflow meters. Accurate measurement of gas microflow (or leakage rate) is of great significance. For example, in order to maintain the pressure in the spacecraft cabin for a long time, ...
As a software development platform in the field of professional measurement and control, LABVIEW contains rich data acquisition, data signal analysis and powerful DAQ assistant, making it easier to build a data acquisition system and facilitate hardware design. ...
The oscilloscope is a precision electronic measuring instrument with a wide range of uses. It is widely used in scientific research fields and laboratories. However, such instruments are currently complex in design and expensive. With the development of science and technology ...
1 Introduction In recent years, with the rapid development of electronic technology and computer digital simulation technology, radar simulation methods have gradually become an important method for radar system design, analysis and performance due to their economical, flexible and realistic characteristics. ...
As the enrollment scale continues to expand, experimental equipment in domestic ordinary colleges and universities is often outdated and cannot be updated in time, making it impossible to keep up with the rapid development of education. At present, higher engineering colleges still use the traditional ...
The working characteristics of the sensor are directly reflected by its static and dynamic characteristics. The static characteristics represent the input-output relationship of the sensor when each value of the measured input quantity is in a stable state, which can better highlight the reaction. ...
1 Introduction Data acquisition is an indispensable and important part of modern electronic systems. High-quality signal acquisition links are required in measurement, manufacturing, automatic control and other occasions. Due to ADC technology and microcontroller ...
With the continuous development of computer technology, PC-based vision systems become more economical and practical. High-power Pentium processor with MMX, rugged operating system, PCI local bus and user-friendly ...
Traditional data acquisition systems generally consist of a single-chip microcomputer and a hardware acquisition circuit or a computer configured with a data acquisition card. This kind of data collection system has the problems of high development difficulty, poor portability, low data collection efficiency, ...
Around the world, the number of patients with cardiovascular diseases is increasing day by day, and it has become the number one killer of human health. The American Heart Association reports that approximately 2.4 million Americans die from cardiovascular disease each year, including ...
Introduction Fault recorder is an important automatic device to improve the safe operation of the power system. When the power system fails or oscillates, it can automatically record the changes in various electrical quantities within a certain period of time before and after the fault point. ginseng ...
Introduction Nowadays, there are endless radar echo simulators that provide echo analog signals for radar detection, and most of the simulators use microcomputer + digital signal processing device (DSP) + digital-to-analog conversion ...
1 Introduction In the modernization of railways, railway safety is the first issue that needs to be solved. With the development of railway construction, the previous method of relying on track inspectors to conduct rail inspections has been replaced by many newly built railway lines. ...
"The NI PXI platform combined with the LabVIEW development environment can quickly design and establish a BMS test platform. It is flexible enough to test multiple sets of consumer products, and its accuracy can meet BMS test requirements." ...
With the rapid development of computer technology, microelectronics technology and electronic testing technology, a new type of testing instrument (Virtual Instrument, VI) is a new and vital instrument. ...
Challenge Analyze and evaluate the impact of differences in gaseous fuel composition on the necessary operating conditions of biomass-fueled engines. Solution uses NILabVIEW software and PXI hardware to measure engines and simulate biomass gases ...
Introduction Silk thread tension is an important parameter that affects product quality and processing efficiency during spinning, false twisting and other processing processes. Among them, the greater the fluctuation of silk thread tension, the worse the product quality will be, and will affect the subsequent processing products. ...
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