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按分类查找All DSP编程(84) 

[DSP编程] ADC_Main

用于dsp芯片的adc采样,使用GPIO2作为ePWM2a功能引脚,输出方波信号, 将该信号接至ADCINA0,经由ADC采样后,再做FFT分析。 DSP引脚输出高电平为3.3V,而片上ADC最大采样输入 电压为3V,所以会导致采样值饱和,但因GPIO2输出的 是方波信号,所以采样饱和并不影响FFT的谱分析 (相当于采样后是0~3V的矩形波)。读者也可外接信 号发生器,将信号接至ADC转换通道进行实验。
ADC sampling for DSP chip (2020-04-27, Others, 1KB, 下载1次)

http://www.pudn.com/Download/item/id/1587959583849058.html

[DSP编程] 基于DSP的双闭环永磁同步电机控制系统设计

对 永 磁 同 步 电 机 (PMSM)驱 动 控 制 系 统 进 行 了 设 计 和 实 现 ,硬件采用 TMS320F2812 型 DSP,整个电 驱 动控 制 系 统 包 括 电源模块 、逆变模块 、控制模块 、驱动模块 、转速 、转子位置检测 、RS232 串 口 通 讯 模 块 等 ,软件采用矢量控制算法及空间矢量脉宽调制 (SVPWM)予以实现,系统采用电流、转速双闭环结构,实现了高精度调速。关键词 :永磁同步电机 ; 矢量控制 ; 空 间 矢 量 脉 宽 调 制
The drive and control system of permanent magnet synchronous motor (PMSM) is designed and implemented. The hardware adopts the DSP of TMS320F2812. The whole electric drive and control system includes power supply module, inverter module, control module, drive module, speed, rotor position detection, RS232 serial communication module. The software is realized by vector control algorithm and space vector pulse width modulation (SVPWM). The system adopts double closed-loop structure of current and speed, and achieves high precision speed regulation. Key words: permanent magnet synchronous motor; vector control; space vector pulse width modulation (2019-08-04, C/C++, 533KB, 下载14次)

http://www.pudn.com/Download/item/id/1564906856187483.html

[DSP编程] 1017a_cn

本文档介绍了如何使用 dsPIC30F 数字信号控制器 (Digital Signal Controller, DSC)控制正弦电流来驱 动具有位置传感器的永磁同步电机(Permanent Mag- net Synchronous Motor,PMSM) 。电机控制固件使用 dsPIC30F外设, 而数学运算则由DSP引擎完成。 为充分 利用 dsPIC30F 的特殊 DSP 运算性能,固件采用 C 语 言编写,只有某些子程序采用汇编语言编写。
This application note describes a method of driving a sensored Permanent Magnet Synchronous Motor (PMSM) with sinusoidal currents controlled by a dsPIC30F Digital Signal Controller (DSC). The motor control firmware uses the dsPIC30F peripherals while the mathematical computations are performed by the DSP engine. The firmware is written in ‘C’ language, with some subroutines in assembly to take advantage of the special DSP operations of the dsPIC30F. (2013-07-04, PDF, 495KB, 下载12次)

http://www.pudn.com/Download/item/id/2296513.html

[DSP编程] signal-and-system_matlab-code

该压缩文件是华中科技大学出版社,金波老师主编的《信号与系统基础》一书的配套源代码。本程序集汇集了80多个M文件,主要有绘图程序和计算程序。绘图程序包括绘制连续信 号、离散信号波形图,频谱图,零极点分布图等。计算程序有数值计算、符号计算、时域计算、变换域计算等。
The compressed file is the source code of the boook- "signal and systems bases" which is edited by Jinbo.The assembly brings together more than 80 M-files.The press is hua zhong ke ji da xue. (2013-05-15, matlab, 34KB, 下载14次)

http://www.pudn.com/Download/item/id/2243548.html

[DSP编程] LED

DSP的SPI工作原理DSP,CPLD,74HC595(串入并出的移位器),共阳数码管。SPIMOSI和 SPICLK直接从DSPJIE接到了74HC595的SER和SRCLK,作为数据和时钟信 号的输入,SPICS由CPLD引出来控制74HC595的选通。
DSP SPI works DSP, the CPLD, 74HC595 (string in and out of the shifter), Yang digital tube. The SPICLK SPIMOSI and directly from the DSPJIE received 74HC595 SER and SRCLK of, as the input data and clock signals, SPICS cited by the CPLD control 74HC595 gating. (2012-08-14, Visual C++, 1KB, 下载15次)

http://www.pudn.com/Download/item/id/1965484.html

[DSP编程] can

基于DSP28335的CAN通信配置工程,实现了28335的CANA和CANB之间的通信,采用中断方式实现。
CAN communication configuration works based on the DSP28335, 28335 of CANA and CANB communication between the interrupt mode to achieve. (2012-04-12, Others, 730KB, 下载508次)

http://www.pudn.com/Download/item/id/1826194.html

[DSP编程] XXX

信号处理入门级程序,包含了数据采集,频谱分析等
Entry-level signal processing procedures, including data acquisition, spectrum analysis, etc. (2011-10-14, Visual C++, 6615KB, 下载19次)

http://www.pudn.com/Download/item/id/1668518.html

[DSP编程] FB_INVERTER

本程序是上海某家企业的通用型变频器的控制板源代码,芯片采用美国微芯公司的DSPIC30F5015电机控制专用芯片。纯C语言编写。
This program is an enterprise of Shanghai general-purpose inverter control panel source code, device uses Microchip' s DSPIC30F5015 motor control ASIC. Pure C language. (2011-09-09, C++ Builder, 1386KB, 下载411次)

http://www.pudn.com/Download/item/id/1642562.html

[DSP编程] 20081202163710630

AD2S1200驱动(基于TM S320L F2407A)通 讯方式灵活, 易于实现。该方法在电动汽车永磁同 步电机控制系统中得到了成功的应用。 在串行通讯模式下, 同时获取位置和速度信 息所需时间较长。如果控制系统实时性要求较高, 可采用并行通讯模式。
AD2S1200 drive (based on TM S320L F2407A) through Information is flexible, easy to implement. The method in electric vehicle with permanent magnet Step motor control system has been successfully applied. In the serial communication mode, and get position and speed information Information required for a long time. If the control system real-time requirements, Parallel communication mode can be used. (2011-07-20, Asm, 296KB, 下载58次)

http://www.pudn.com/Download/item/id/1602603.html

[DSP编程] DSP-fangzhen

用一个2阶的AR模型产生一平稳的随机过程s(n)。 其中, , , 可任意选定。 再产生一方差为 的白噪声 。接收信号为 , 要求对接收信号进行维纳滤波,输出信号为 。 1, 给定维纳滤波器的长度M,考察代价和函数与SNR之间的关系。 2, 给定SNR,考察代价函数与信噪比之间的关系。 3, 做一步预测,代价函数随滤波器的长度和信噪比的变化关系。
With a 2-order AR model to generate a stationary random process s (n). Among them,,, can be arbitrarily selected. Accrue to the white noise variance. Received signal, the received signal requires filtering, the output signal. 1, given the length of the Wiener filter M, investigation costs and the relationship between function and SNR. 2, for a given SNR, the cost function and examine the relationship between signal to noise ratio. 3, do step prediction, the cost function with the filter length and variation of signal to noise ratio. (2011-06-07, matlab, 125KB, 下载34次)

http://www.pudn.com/Download/item/id/1561327.html

[DSP编程] 8pskfunc.c

该程序用C语言实现了8psk信号通过AWGN信道,并计算误比特率的仿真。通过输入平均比特信噪比和仿真比特数,可以求得不同参数要求下的误比特率。
The program using C language to implement 8psk signal through AWGN channel, and calculate the bit error rate simulation. By entering the average bit SNR and simulation of the number of bits can be obtained under different parameters required bit error rate. (2011-02-28, Visual C++, 1KB, 下载64次)

http://www.pudn.com/Download/item/id/1439705.html

[DSP编程] eetop.cn_Crack_Altera_6.0-9.1

quartus中的DSP Builder6.0到 9.0 的全部破解绝对实用。
quartus 9.0 in all DSP Builder6.0 to break the absolute practical. (2010-12-23, Visual C++, 290KB, 下载83次)

http://www.pudn.com/Download/item/id/1390345.html

[DSP编程] L293DWP__IC-ON_LINE[1][1].CN

8、16脚 电源正 5V 1脚 使能(控制电机是否工作)、高有效 2、7脚 控制电机正转、反转 4、5、12、13脚 接地 当1脚高电平时,从2脚输入3脚输出,从7脚输入6脚输出
the description of L293DWP (2010-08-24, C/C++, 422KB, 下载2次)

http://www.pudn.com/Download/item/id/1277887.html

[DSP编程] sprc311

該 S / W的系統實現了低功耗直流/直流轉換了的C2000™ TMS320F280x數字信號控制器。這是為了幫助電源設計人員評估如何能夠實現直流/直流轉換,數字控制器,可以向他們提供與 /瓦特框架做直流/直流轉換自己的設計。
This S/W system implements low power DC/DC Conversion with a C2000™ TMS320F280x Digital Signal Controller. This is to help power supply designers evaluate how one can implement DC/DC conversion with a digital controller and can provide them with a s/w framework to do DC/DC conversion in their own design. (2010-07-27, C/C++, 1884KB, 下载28次)

http://www.pudn.com/Download/item/id/1251847.html

[DSP编程] aybook.cn_tmskzqdcf1219

此设计主要包含两大模块:一是DSP之间的串行通讯模块:二是DSP与显示器及键盘的串行显示接口模块
This design mainly includes two modules: one DSP serial communication between the modules: the second is the DSP with the display and keyboard serial display interface module (2010-05-15, WORD, 84KB, 下载2次)

http://www.pudn.com/Download/item/id/1173077.html

[DSP编程] spwm6

这是个SPWM的六路输出程序,采用的是规则对称算法,虽然改变了占空比,但波形不对。现对程序的几点说明如何,其中K的初值,我设置的是1,因为我采用的是下益中断,这样的话程序在发生第一次中断之前已经进行了两次跳变(两次和比较寄存器匹配)。这个程序输出的波形通过低通滤波器之后出来的不是个正玄波,希望高手们能给分析一下,以下是我的邮箱liuhao511zz@sina.com.cn
spwm (2009-08-27, C/C++, 173KB, 下载59次)

http://www.pudn.com/Download/item/id/892364.html

[DSP编程] DSPDTMF

摘要 : 介绍 丁 DSP技 术 中的双音 多频 (DTMF)技术 .以及产生 与检测 Drl?,IF信 号 的几 种方 法 .提 出并 详细 推导 了利 用 Gt~rtze]算法实现滤波器组的方法 及利用仿真软件对 DTMF进芋亍模拟设计的过程 .
Abstract: D DSP technology DTMF (DTMF) technology. As well as the generation and detection Drl?, IF signals in several ways. Proposed and derived in detail the use of Gt ~ rtze] algorithm filters the method and the use of simulation software into the lines of step with the right foot DTMF analog design process. (2008-12-25, Others, 70KB, 下载39次)

http://www.pudn.com/Download/item/id/615501.html

[DSP编程] ColorednoisebasedontheDSP

文章提出了基于多带语减法改进的增强系统,并在TI会司的浮点处理器TMS320C6713上实现。改进的多带语减法将信号频语非线性的分成4个互不重叠的频带, 每个频带分别做不同系数的语减运算, 因此能很好的滤除有色噪声。工程实现证明此设计能有效的抑制色噪声和音乐噪声, 即便在低信嗓比环境也能有较好增强效果.
In this paper, a language based on multi-band subtraction improved augmentation system, and TI will Division TMS320C6713 floating-point processor to achieve. Improved multi-band frequency signal subtraction language phrase is divided into four non-linear non-overlapping frequency bands, each band separately by different coefficient computing language, so they can filter out a good colored noise. Proves that the design works to achieve effective inhibition of color noise and music noise, even in low sNR environment can also enhance the effect of better. (2008-12-10, PDF, 359KB, 下载12次)

http://www.pudn.com/Download/item/id/600910.html

[DSP编程] bpsk

可以直接用在DSP1.0或2.0芯片上,进行BPSK信号码速率估计,经实际通信信道测试通过
Can be directly used in DSP1.0 or 2.0 chip, the letter number BPSK rate estimated by the actual communication channel test (2008-11-08, C/C++, 2KB, 下载41次)

http://www.pudn.com/Download/item/id/575072.html

[DSP编程] 5

以两片由TI 公司生产的数字信号处理器TMS320C6203B 为核心,用可编程逻辑阵列CPLD 进行逻辑控 制,采用现场可编程门阵列FPGA 作图像的预处理和进行双数字信号处理器(DSP) 之间的通讯,实现了实时相关的图像 处理。此系统实时性好,可直接利用数字图像的灰度特征,在低信噪比的情况下目标跟踪点漂移小,目标跟踪能够较好 地适应不同灰度分布的背景。 (2008-04-06, Others, 143KB, 下载19次)

http://www.pudn.com/Download/item/id/430714.html
总计:84