How do we determine the process excitation noise covariance matrix Q and the observation noise covariance matrix R in the Kalman filter algorithm? And they may change with each iteration, so how do we...
[size=4]Common problems in debugging the TMS320C2000 series? 1) Single-step operation is possible, but continuous operation always returns to address 0: Watchdog is not turned off, and continuous oper...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i]Can Huawei, a maverick Fortune 500 company, dispel the outside world's concerns about its lack of transparency? Can it maintain i...
[b][backcolor=white] [/backcolor][/b][p=24, null, left][color=rgb(0, 0, 0)][font=宋体][size=16px]Since the frequency response of the amplifier circuit in the high frequency region can be simulated by th...
If I make a product, how can I burn in some settings? For example, network card settings, Bluetooth, and touch screen settings. I don’t want to modify them one by one after the product is released. Th...
I'll come first. Today's opening was all in the red and closed at 2.8k. I was crying because of the loss.I asked my colleagues and they were even worse. They bought in today at 5% and have no money to...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
SL11R is a 16-bit RISC microcontroller with a USB interface produced by Scanlogic. Its core processing speed reaches 48MIPS. It has rich hardware resources and 32-bit programmable I/O ports, and ca...[Details]
Abstract: Based on FPGA hardware, the image scaling with fixed magnification is realized. The 2D convolution operation is decomposed into 2 1D convolution operations. The input original image pixel...[Details]
According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]
The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]
When you are sitting in the subway train, feeling the convenience and comfort brought by the underground rail train, at this time, in the control center, the "brain" of the subway, a group of people a...[Details]
One of the most common requirements of the automotive industry for automotive electronic systems is to achieve the best detection results in the smallest space. This is exactly the advantage of shunt ...[Details]
Two typical electric vehicle flasher circuits are given, and the parameters and specific instructions in the circuit are given. I hope it will be helpful to you!
1. This circuit consists of an...[Details]
Communication protocol: The first byte, MSB is 1, which is the first byte mark, the second byte, MSB is 0, which is the non-first byte mark, and so on... The last byte is the XOR checksum of the la...[Details]
Test/Measurement
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