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The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
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Conventional ECG recorders are one of the main means for doctors to diagnose heart diseases, but they can only record short heartbeats. In many cases, it is difficult to record ECG changes during a...[Details]
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TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
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0 Introduction to the direct method of feedback linearization based on dynamic equilibrium state theory
The basic idea of the direct method of feedback linearization based on dynamic equilib...[Details]
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AD8302
Introduction
AD8302 is a monolithic integrated circuit for RF/IF amplitude and phase measurement from ADI. It is mainly composed of two precisely matched broadband logarithmic det...[Details]
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Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide...[Details]
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In the future, a complete automobile safety system must fully combine gyroscopes, accelerometers, steering wheel and brake pedal position detectors, and tire speed detection systems to accurately ...[Details]
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introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
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introduction
In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[Details]
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MIPS Technologies Inc. has introduced the CI10084tg, a next-generation global positioning system (GPS) RF tuner IP solution. The silicon-proven, integrated low-noise RF front end for GPS receivers...[Details]
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Industrial control
often requires multi-channel fault detection and multi-channel command control (this multi-task setting is very common). A single CPU chip is difficult to directly complete ...[Details]
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1. Introduction
The balance ability
of human beings
is the basis for people to carry out various sports. People need
balance ability
to stand, sit, lie down and walk
. Once
...[Details]
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With the popularity of 3G network, some new laptops have built-in 3G wireless network cards, namely G3 laptops. For most users of relatively old computers, if they have a 3G wireless network card, ...[Details]
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With the development of science and technology, the improvement of living standards and the acceleration of the pace of modern cities, people are increasingly pursuing more convenient, practical an...[Details]
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With the increasing application of various nonlinear loads, reactive power and harmonic pollution in the power grid have become a very serious problem. In order to eliminate the pollution caused by...[Details]
Embedded System
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