Let's take a look at the working principle of the electronic circuit of this condenser microphone. I don't understand it. The plug is connected to the sound card. The Canon connector of the condenser ...
[i=s]This post was last edited by shipeng on 2018-8-18 09:43[/i] I encountered a strange bug. I had to set a breakpoint to monitor the operation of the microcontroller in order to execute normally. Af...
[i=s]This post was last edited by DDZZ669 on 2018-9-11 20:43[/i] In the previous post [url=https://bbs.eeworld.com.cn/thread-926204-1-1.html]【Raspberry Pi 3B+ Review】Unboxing and Hardware Review[/url]...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[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]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
introduction
As
a
software
development platform in the field of professional measurement and control, LABVIEW contains rich data acquisition, data signal analysis and powerful DAQ a...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
illustrate]
This method has
the characteristics of small
ROM
occupation
and fast operation speed, with a range of
2000
ßà
2099
,
a total of
...[Details]
In recent years, fieldbus has always been a hot topic, whether in large-scale automation exhibitions or academic exchanges. The revolution brought by fieldbus to the field of industrial automation ...[Details]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]