[font=Verdana][b][font=Verdana][b]Analysis of GSM system dropped calls[/font][/b][/font] [font=Verdana]This paper introduces the types and causes of GSM voice dropped calls, and gives some measures to...
Original address: [url=http://www.hellodsp.com/bbs/viewthread.php?tid=7756&extra=page%3D1]http://www.hellodsp.com/bbs/viewthread.php?tid=7756&extra=page%3D1[/url] From the beginning of the year to now...
The annual college entrance examination is coming. In the past, candidates often encounter traffic jams, lateness, forgetting things, etc. As the latest powerful communication means, what role can 5G ...
Original article by Mr. Gaosu | Jiang JieThe current that doesn’t follow the usual path is a “thorn” in PCB design. Sometimes, even though the road to the sun is paved for it, it insists on taking the...
[size=4]I just started learning DSP, and like many other people, I started from routines. [/size] [size=4] It is inevitable to encounter some problems in the learning process. I hope to write these pr...
ZTE
The communication embargo incident has impacted the communication industry and sounded the alarm for the semiconductor industry. Let's follow the embedded editor to learn more about the r...[Details]
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
I have read the source code of mbed these days, and the interface encapsulation for upper-level application calls is quite good. The code quality is relatively high, the comments are also very detai...[Details]
Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
The trade war between China and the United States has become the focus. The United States has begun to play the ban card against Chinese technology companies. The ZTE incident shows that if the ban...[Details]
This part of the code in the void SystemClock_Config(void) function in the main file generated by stm32cubemx RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; This bug occurs, and the f...[Details]
background After the hardware engineer completed the PCB and schematic design, the routine was modified according to the tutorial of Zhengdian Atom to verify the correctness of the hardware. STM32F...[Details]
Since the first draft of the 5G
NR standard was officially launched at
the end of 2017
, the
5G
commercialization process has taken a substantial step forward. From that moment on, mo...[Details]
On April 18-19, 2018, at the "Second Distributed Photovoltaic Carnival" held in Hangzhou, Jinko Power and China New Energy Assets Investment, Financing and Trading Platform (hereinafter referred to as...[Details]
According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
STM32 uses FSMC to read and write CPLD programs. CPLD is hung on the address line and data line of STM32. CPLD is regarded as an off-chip RAM for reading and writing. On the board I made, CPLD is hun...[Details]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]
Recently, Jiangsu GoodWe Power Technology Co., Ltd. ("GoodWe") unveiled two products of the SDT family, the 17kW smart photovoltaic inverter GW17KN-DT and the 20kW smart photovoltaic inverter GW20KN-D...[Details]
In 1949, after three years of civil war, the Nationalist government was defeated and retreated to Taiwan. The political and academic circles launched a large-scale reflection on why they failed in ...[Details]
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