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RSS订阅转载 快速求线段相交点的方法
线段的相交的检测工作中用的较多，简单的求根方法是方便但是需要做很多的相交判断，最近遇到了一个巧妙的方法所以Mark下来（来源 知乎Never的回答）。思路整理直线参数方程x(t1)=x1+t1(x2−x1)y(t1)=y1+t1(y2−y1)x(t2)=x3+t2(x4−x3)y(t2)=y3+t2(y4−y3) x(t1) = x_1 + t1(x_2 - x_1) \\ y(t1...
2020-01-10 12:01:23
1066
原创 单端接口和差分接口(Single End & Differential)
单端接口和差分接口(Single End & Differential)Single-EndLVTTL(Low Voltage TTL), LVCMOS(Low Voltage CMOS) JESD8C 电平参数特性 HSTL(High-Speed Transceiver Logic) JESD8-6电平参数特性 SSTL3(Stub Series Terminated Logic for 3
2017-07-25 15:54:35
5172
原创 SPARTAN 6(XC6SLX9-TQG144) PCB Design
PCB Designe For XC6SLX9-TQG144Power Distribution SystemPCB Decoupling CapacitorsThe impedance of the alternate network must be less than or equal to that of the recommended network across frequencies
2017-06-01 16:24:31
3287
原创 FSMC ON STM32F407 USE FOR TFT-LCD DRIVER ILI9325
FSMC ON STM32F407 USE FOR TFT-LCD DRIVER ILI9325Pin MapFSMC_NE4 –> CSFSMC_NWE –> WRFSMC_NOP –> RDFSMC_D[0..15] –> D[0..15]FSMC Setup/** Perform the SRAM1 memory initialization sequence */ hsram1.In
2017-03-22 21:10:40
1014
原创 常用的SAI 时钟频率（SAI Frequency）
Clock In SAIfs Sample Rate.8k Hz - Telephone11.025k Hz22.05k Hz - Radio Broadcast32k Hz - miniDV, DAT (LP mode)44.1k Hz - CD, MPEG-1 Audio(VCD, SVCD, MP3)47.25k Hz - Commercial PCM Recorde
2017-03-12 20:46:19
859
4原创 Common Converter Connection Formats
Common Converter Connection FormatsThere are several standards for connecting microcontrollers to audio converters. In general, a frame signal, transmit data, receive data, and bit clock are used to t
2017-02-28 20:15:10
511
35Oxyhemoglobin_Saturation.zip
2020-01-09
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