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RSS订阅原创 用Matlab批量将图片反色
用Matlab批量将图片反色图片反色原理手头一直使用的RIGOL示波器用U盘拷屏后的图片是黑底的，黑白打印后波形不清晰，我一般在Windows自带画图工具反色，但是需要逐张修改，当图片较多时非常费时。因此准备用还算熟悉的Matlab来对图片批量反色。反色原理不复杂，只需将原图按照像素(R，G，B）修改为（255-R，255-G，255-B）。Matlab代码% original png images are stored in path \Org% the Reversed png images
2021-03-30 23:01:50
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basler相机应用笔记
This application note provides useful application information for interfacing the Euresys’ eVision software tools with the driver of such a camera, namely the Basler BCAM 1394 driver.
2010-01-15
高速PCB设计简明教程
一、1、PCB布线
2、PCB布局
3、高速PCB设计
二、1、高密度（HD）电路设计
2、抗干扰技术
3、PCB的可靠性设计
4、电磁兼容性和PCB设计约束
三、1、改进电路设计规程提高可测性
2、混合信号PCB的分区设计
3、蛇形走线的作用
4、确保信号完整性的电路板设计准则
四、1、印制电路板的可靠性设计
五、1、DSP系统的降噪技术
2、POWERPCB在PCB设计中的应用技术
3、PCB互连设计过程中最大程度降低RF效应的基本方法
六、1、混合信号电路板的设计准则
2、分区设计
3、RF产品设计过程中降低信号耦合的PCB布线技巧
七、1、PCB的基本概念
2、避免混合讯号系统的设计陷阱
3、信号隔离技术
4、高速数字系统的串音控制
八、1、掌握IC封装的特性以达到最佳EMI抑制性能
2、实现PCB高效自动布线的设计技巧和要点
3、布局布线技术的发展
2009-11-10
模拟电路应用4--HIGH SPEED(Analog Devices提供)
Modern high speed sampling ADCs are designed to give low distortion and wide
dynamic range in signal processing systems. Realization of specified performance
levels depends upon a number of factors external to the ADC itself, including proper
design of any necessary support circuitry. The analog input drive circuitry is
especially critical, because it can degrade the inherent ADC dynamic performance if
not designed properly.
2009-09-11
模拟电路应用3-HIGH RESOLUTION ADCs(Analog Devices提供)
The trend in ADCs and DACs is toward higher speeds and higher resolutions at
reduced power levels. Modern data converters generally operate on ±5V (dual
supply) or +5V (single supply). There are now a few converters which operate on a
single +3V supply. This trend has created a number of design and applications
problems which were much less important in earlier data converters, where ±15V
supplies were the standard.
2009-09-11
模拟电路应用2--HIGH SPEED OP AMPS(Analog Devices提供)
Modern system design increasingly makes use of high speed ICs as circuit building
blocks. With bandwidths going up and up, demands are placed on the designer for
faster and more power efficient circuits. The default high speed amplifier has
changed over the years, with high speed complementary bipolar (CB) process ICs
such as the AD846 and AD847 in use just about ten years at this writing.
2009-09-11
模拟电路应用1--SINGLE-SUPPLY AMPLIFIERS(Analog Devices提供)
Over the last several years, single-supply operation has become an increasingly
important requirement as systems get smaller, cheaper, and more portable.
Portable systems rely on batteries, and total circuit power consumption is an
important and often dominant design issue, and in some instances, more important
than cost. This makes low-voltage/low supply current operation critical; at the same
time, however, accuracy and precision requirements have forced IC manufacturers
to meet the challenge of “doing more with less” in their amplifier designs
2009-09-11
线路板（PCB）级的电磁兼容设计
线路板（PCB）级的电磁兼容设计
随着电于技术的发展，PCB 的密度越来越高，PCB 设计的好坏对电路的干扰及抗
干扰能力影响很大。要使电子电路获得最佳性能，除了元器件的选择和电路设计之外，良好的PCB 布线在电
磁兼容性中也是一个非常重要的因素
2009-09-08
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