1) asymmetry rule sampling
不对称规则采样
1.
The TMS320F2812 characteristic was Introduced,and the SPWM asymmetry rule sampling was discussed.
介绍了TMS320F2812的特点,研究了SPWM不对称规则采样算法的实现,并给出了系统硬件原理图及相应的软件实现。
2) Asymmetric regular sampling method
不对称规则采样法
1.
The asymmetric regular sampling method SPWM(Sine Pulse Width Modulation) is studied and then applied in the three-phase matrix AC to AC converter.
通过对三相矩阵式AC-AC拓扑结构变换电路的分析,把AC-AC九开关式矩阵式变换器等效为虚拟“整流”和“逆变”2部分;分析了不对称规则采样法正弦脉冲宽度调制SPWM(Sine Pulse Width Modulation)波生成原理,并把不对称规则采样法SPWM调制应用于三相AC-AC矩阵式变换器。
3) asymmetric regular sampling algorithmic
不对称规则采样算法
1.
aimed at the question of high harmonic content in output voltage in UPFC and according to the SPWM control theory, we adopt the arithmetic of asymmetric regular sampling algorithmic and utilize the PWM creating and outputting technology and its high speed operational capability in TMS320F240 DSP chip.
针对UPFC的输出电压中谐波含量过高的问题,依据SPWM控制理论,采用不对称规则采样算法,并利用TMS320F240DSP的高速运算能力,提出了实时在线地消除逆变电路输出电压中谐波含量的硬件方法,实现了其在UPFC模型上的试验研究。
4) optimized asymmetrical rules method of sampling
不对称优化规则采样法
5) asymmetric regular sampling
非对称规则采样
1.
This paper presents a PWM scheme based on digital memory mode and discusses its asymmetric regular sampling principle and simple on -line algorithm.
提出一种基于数字存储模式的PWM调制方案,讨论其非对称规则采样原理,给出宜于在线运算的简便算法。
2.
By analyzing the asymmetric regular sampling principle of pulse width modulation(PWM),a simple method appropriate for online algorithm was provided and a FPGA-based digital method of phase-locked synchronous PWM modulator was presented.
对脉宽调制(PWM)的一种非对称规则采样原理进行研究,给出了宜于在线运算的简便算法,并在此基础上提出了一种基于FPGA(现场可编程门阵列)的锁相同步型PWM调制器的数字化实现方法。
补充资料：不对
1.不答。 2.不合;不睦。 3.不够格。 4.不正常。 5.不正确，错误。
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