I need help from an expert. I'm a newbie in speech coding and have found the ADPCM coding program, but I don't know how the step index table is obtained. Why can the quantization step size be obtained...
[size=5]ADI System Solutions Selection is a series of signal chain solutions mainly launched for the Chinese market. Each solution selection is based on the application theme, listing complete and fle...
Can someone help me? Because several interfaces overlap with JTAG, I added GPIO_PinRemapConfig(GPIO_Remap_SWJ_Disable, ENABLE) to the program. After that, I can no longer use the JTAG interface to dow...
[b]1. DVR protection of BNC video port[/b] [img=513,176]http://www.kte99.com/UploadFiles/FCK/1(13).jpg[/img] [color=#ff0000]Special reminder: Our experiments have shown that placing a 75 ohm resistor ...
During the high-speed operation of railway trains, the temperature of the bearings in the running part of the vehicle will continue to rise. When the axle temperature is too high, it will cause hot ax...
I soldered a batch of circuit boards these days, and some of them burned inexplicably after debugging for a period of time. Two of them caught fire. After disassembling them, I measured with a meter. ...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
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