By means of combining group method of data handle(GMDH)and AC clustering,this paper analyzes developing policy of steel industry in Sichuan province from the scope of state economy distribution layout and industry structure adjustment trend,and reveals the development countermeasures and competitive assessment model of Sichuan province's steel industry.
采用数据分组处理技术(GMDH)和AC聚类相结合的方法,突破传统的通过定性分析来研究一个地区某行业的发展政策模式,从国有经济布局和结构调整的角度对四川省钢铁行业发展政策进行了量化分析,得出了四川省钢铁行业发展对策,并得到了钢铁行业竞争力评价模型。
And two of key circuits of class D DC-AC resonant converter are also presented.
论文从该类芯片的D类DC-AC谐振转换工作模式出发,介绍了其中的两个核心线路:可控频率的波形发生器和电平移位电路的设计。
In allusion of the defect that the AC`97 controller will make noses as recording and playing under ARM9 Frame,as well un-conventionally restart when FPGA Validating.
针对基于ARM9框架下AC`97控制器在录放音时有噪音的不足以及在FPGA验证下频繁出现异常重启的缺点,该文对该控制器的异步FIFO进行改进——重新设计FIFO状态判断标志以正确地配合DMA对其进行读写的时序。
A Constant Current/Constant Voltage Output AC-DC Controller Design
一种恒流/恒压输出AC-DC控制器设计
High-stability controller on CC or CV output applications
恒压或恒流输出应用的高稳定性AC-DC控制器
The Design of an Off-line AC/DC PWM Controller
离线式AC/DC PWM控制器芯片设计
A Green Original Edge Detection AC/DC Controller
一种CMOS绿色节能原边检测AC/DC控制器
Buck DC-AC Inverter Based on Double-Loop Control
基于双环控制的Buck DC-AC逆变器
STUDY ON DIRECT CURRENT DSP CONTROL OF THE THREE PHASE VOLATGE SOURCE AC/DC CONVERTER;
电压型三相AC/DC双相变流器的直接电流DSP控制
Design of a Boost AC-DC Active Power Factor Correction Controller
升压型AC-DC有源功率因数校正控制器的设计
Hybrid Dynamic Modeling and Model Predictive Control for DC/AC Converter
DC/AC变换器的混杂系统建模及预测控制
Design of AC-DC PWM Switching Power Supply Control IC;
AC-DC脉宽调制开关电源控制芯片设计
A Method for Precisely Control the Output-voltage of the Primary-side Feedback AC/DC Converter
一种精确控制初级反馈AC/DC转换器输出电压的方法
Calculation of power-voltage curve for AC/DC hybrid power system considering converter transformer tap change and reactive power compensation
考虑换流变压器和无功补偿协调控制计算AC/DC系统有功-电压曲线
Quasi-resonant Multi-mode Flyback AC/DC Contoller;
准谐振多模式AC/DC控制芯片的设计
Research on the Application of the DSP-based PSPWM Control in DC/AC
基于DSP的PSPWM控制在DC/AC中的应用研究
On the Overload of Multi-Mode Quasi-Resonant AC/DC Controller
多模式AC/DC控制芯片的过载研究
Forecast Control Strategy for Bidirectional Switch AC/AC Converter
双向开关AC/AC变换器预测控制策略
Iterative Harmonics Analysis Approach for AC-DC-AC Converters
AC-DC-AC变换器的迭代谐波分析方法
Controller architecture optimization method for digitally controlled DC-DC converters
数字化DC-DC变换器的控制器结构优化
Design of High Efficiency with Full Load Range Buck-Boost DC-DC Converter;
全负载高效升/降压DC-DC控制器设计