:介绍了一种基于数字信号处理器(DSP)的移相调频(Phase-Shifted and Frequency-Varied,PSFV)PWM控制 逆变电源,给出了主电路拓扑结构,分析了其控制原理并设计了其控制程序流程图。新颖的PSFV 控制能够实现输出 电压90%的调整率,输出电流波动小于单纯移相调功PWM方式,并在轻载时保持连续。功率开关器件零电压零电流 通断(Zero-Voltage-Zero-Current Switching,ZVZCS)软开关的实现,有利于进一步提高开关频率和降低开关损耗。采用 高性能的专用DSP 芯片TMS320F2812 实现了系统的数字控制,满足了系统控制的灵活性和实时性,减小了系统的 体积和生产成本。仿真分析和实验结果证明了此控制模式的可行性与合理性。
标签: Frequency-Varied Phase-Shifted DSP and
上传时间: 2013-12-04
上传用户:kristycreasy
Jakes Model + Rayleigh Channel + Time Selective Fading + Frequency Selective Fading
标签: Selective Fading Frequency Rayleigh
上传时间: 2014-01-08
上传用户:dreamboy36
Analysis and Simulation of a Digital Mobile Channe Using Orthogonal Frequency Division Multiplexing
标签: Multiplexing Simulation Orthogonal Frequency
上传时间: 2016-05-13
上传用户:ainimao
The module includes three sub_module:FDivider128,generates the 1/128 frequency, MD_Counter8Zero, generates the flute when the posedge, MD_Counter8One,generates the flute when the negedge.The aim of the module is to generate the mended miller code to be the source of the MillerDecode. 输入的数据以下降沿采样,有效输入范围为上升沿前一点,输入数据包括1 b0+有效数据+1 b0 Operating Rule: R_DATAUNCODE must be synchronous with R_ACTIVE
标签: MD_Counter sub_module 128 generates
上传时间: 2013-12-30
上传用户:Miyuki
Shi Naide company s frequency changer atv31 communication procedure,is a province project part, has entered the test, with everybody share.
标签: communication frequency procedure province
上传时间: 2016-05-28
上传用户:maizezhen
Frequency Modulation
标签: Modulation Frequency
上传时间: 2013-12-21
上传用户:moerwang
high frequency design:The eye diagram provides visual information that can be useful in the evaluation and troubleshooting of digital transmission systems
标签: information frequency evaluati provides
上传时间: 2016-05-30
上传用户:小宝爱考拉
sfrmat is a Matlab function that provides a spatial frequency response* (SFR) from a digital image file containing a slanted-edge feature. The specific edge-gradient algorithm follows the intent of the standard ISO 12233, developed by Technical Committee ISI/TC 42, for resolution measurements for electronic still pictorial cameras.
标签: frequency function provides response
上传时间: 2014-01-20
上传用户:qunquan
中国EPC标准草案(基本上是EPC C1G2的中文翻译) 射频识别协议- 第1类第2代UHF RFID 860兆赫-960兆赫通讯协议 EPC™ Radio-Frequency Identity Protocols Class-1 Generation-2 UHF RFID Protocol for Communications at 860 MHz – 960 MHz
标签: EPC Radio-Frequency C1G2 8482
上传时间: 2016-06-07
上传用户:上善若水
A New OFDM Synchronization Symbol for Carrier Frequency Offset Estimation.一个新的OFDM载波符号同步论文。
标签: OFDM Synchronization Estimation Frequency
上传时间: 2016-06-23
上传用户:as275944189