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模拟电子 了解模数转换器的噪声、ENOB
Abstract: Specifications such as noise, effective number of bits (ENOB), effective resolution, and noise-free resolution inlarge part define how accurate an ADC really is. Consequently, understanding the performance metrics related to noise isone of the most difficult aspects of transitioning from ...
电源技术 降压升压型控制器简化手持式产品的DC/DC转换器设计
 
A number of conventional solutions have been available forthe design of a DC/DC converter where the output voltageis within the input voltage range—a common scenarioin Li-Ion battery-powered applications—but none werevery attractive until now. Conventional topologies, suchas S ...
电源技术 LTC1325电池管理IC的使用
 
For a variety of reasons, it is desirable to charge batteriesas rapidly as possible. At the same time, overchargingmust be limited to prolong battery life. Such limitation ofovercharging depends on factors such as the choice ofcharge termination technique and the use of multi-rate/multi-s ...
单片机编程 PCA9516 5channel I2C hub
The PCA9516 is a BiCMOS integrated circuit intended forapplication in I2C and SMBus systems.While retaining all the operating modes and features of the I2Csystem, it permits extension of the I2C-bus by buffering both the data(SDA) and the clock (SCL) lines, thus enabling five buses of 400 pF.The I2C ...
数值算法/人工智能 ACM试题An Easy Problem Description As we known, data stored in the computers is in binary form. The
ACM试题An Easy Problem
Description
As we known, data stored in the computers is in binary form. The problem we discuss now is about the positive integers and its binary form. Given a positive integer I, you task is to find out an integer J, which is the minimum integer greater than I, and the numbe ...
生物技术 基于＂trace transform＂的识别２Ｄ图像的Ｃ＋＋源程序
基于＂trace transform＂的识别２Ｄ图像的Ｃ＋＋源程序，
主文件是tt.cpp，
在ＬＩＮＵＸ下可以用
g++ tt.cpp -o tt -O3进行编绎，
而且最后的结果也可以在ＭＡＴＬＡＢ下显示出来，
This package presents C++ tools to the trace transform of a 2D image, and related objects, i.e. circuses and triple features, matl ...
Java书籍 DESIGN PATTERNS JAVA COMPANION Design patterns began to be recognized more formally in the early 1
DESIGN PATTERNS JAVA COMPANION
Design patterns began to be recognized more formally in the early
1990s by Helm (1990) and Erich Gamma (1992), who described patterns
incorporated in the GUI application framework, ET++. The culmination of
these discussions and a number of technical meetings was the pu ...
数学计算 When working with mathematical simulations or engineering problems, it is not unusual to handle curv
When working with mathematical simulations or engineering problems, it is not unusual to handle curves that contains thousands of points. Usually, displaying all the points is not useful, a number of them will be rendered on the same pixel since the screen precision is finite. Hence, you use a lot o ...
matlab例程 GloptiPoly 3: moments, optimization and semidefinite programming. Gloptipoly 3 is intended to so
GloptiPoly 3: moments, optimization and
semidefinite programming.
Gloptipoly 3 is intended to solve, or at least approximate, the Generalized Problem of
Moments (GPM), an infinite-dimensional optimization problem which can be viewed as
an extension of the classical problem of moments [8]. From a th ...
软件设计/软件工程 长短信实现原理：SP、自有应用将内容超过140个字节的短信拆分为多条内容不超过140个字节的短信
长短信实现原理：SP、自有应用将内容超过140个字节的短信拆分为多条内容不超过140个字节的短信，并正确配置Pk_total、Pk_number字段（具体字段说明参见附件CMPP协议第16页）。梦网网关、行业网关将长短信的各部分提交给同一短信中心下发并在用户终端进行组合，长短信全部接收后在手机终端显示为一条短信 ...