In this paper, the principle of Sampling Time Staggered Space Vector Modulation (STS-SVM) as well as its realizing method in cascade multilevel converters is presented.
该文提出并分析了错时采样空间矢量调制(STS - SVM)技术的工作原理及其在级联型多电平变流器上的实现方法。
Also the scan sampling method was used to observe main behavior types and time pattern.
同时,采取扫描取样法,观测蒙古野驴的主要行为种类及其时间分配。
On the basis of analyzing the influence of parameter drifts on sampling data, this article proposes a real time compensation method.
分析电磁式头盔姿态传感系统的参数漂移对采集数据的影响。
An intelligent sampling technique coupled with the steepest descent method is implemented for on-line estimation of the process, which can be approximated by a second-order model with time delay.
对于可以用延时二阶模型来拟合的过程,使用一种智能采样技术,结合阶跃下降法,实现了对实时过程的在线模拟。
The orthogonal sampling demodulating technique for low frequency time-code signal is introduced. Based on the theoretical analysis about its principle and implement method, The simulation is tested.
作者提出低频时码信号的正交扫描解调技术,从理论上分析了正交扫描原理和实现方法,并进行了仿真测试;
And yet the experience sampling method has gotten more popular, in part because everyone has a little computer in their hands all the time, which makes surveying much, much, much easier.
然而“体验抽样”这一研究方法却越来越流行。部分原因是因为现如今人手一部手机使得调查要比过去方便得多。
The experimental modal analysis of five-axis linkage milling machine is made by using hammer-hitting pulse-inspirit method and change time based sampling method.
对五轴联动铣床采用锤击脉冲激励法和变时基采样方法进行实验模态分析,获得机床的各阶固有频率、振型及其相应的振型动画。
In order to simulate narrowband reverberation time series easily, the simulation method designed based on simulating reverberation complex envelop, which is feasible for any sampling frequency.
针对窄带发射信号,为了便于计算,设计了一种适用于任意采样率的基于复包络的混响信号仿真方法。
Compared with the traditional method, Chirp-Z algorithm eliminates the leakage error caused by not-enough-point sampling, improves the precision of calculation and decreases the computing time.
通过只在窄带内密集抽样的方法,和传统方法比较,线性调频Z变换算法可以减少由于不足点采样而造成的频谱泄漏,改善计算精度并减少运算时间。
Aiming at the characteristics of small sampling in aeronautic-product project scheme, a new prediction method to acquire the time limit of working process was studied based on Grey System theory.
针对航空产品工程计划中工序作业时间小样本输入条件的特征,提出了一种基于灰色系统理论的工序作业时间预测方法。
Then, we use this method into the real time series of traffic flow with sampling period of 15 and 5 minutes, the results indicate that there are chaos in the traffic flow.
并将该方法应用于15分钟和5分钟采样周期的实测交通流时间序列中,计算结果表明交通序列中含有混沌特性。
The method consists of real-time estimation of signal frequency, synchronous tracking of sampling frequency and error correction of harmonic coefficients.
该方法包括信号频率实时估计、采样频率同步跟踪和谐波系数误差校正几个要素。
Method: This text to attend for my city 2004 ~ 2006 years whole country three time cause of death Review sampling of cause of death the data carried on to statistics analysis.
方法:本文对我市2004 ~ 2006年参加全国第三次死因回顾抽样调查的死因资料进行了统计分析。
Another advantage of this method over classical quantitative controllers is that it does not require a fixed sampling time.
该要领的另一个上风,在古典定量控制律,它不需要一个牢固的采样时间。
Compare to the traditional threshold method to distinguish the signal and detect the time, complete data sampling is adopted. And in this thesis, these follow content are introduced in detail.
在超声信号波形识别和到达时刻判别上,本研究将传统的阈值法改进为高速数据全采集方法。
On the basis of analytical chemistry, the design method of the sampling time is provided.
根据分析化学的要求,提出样品采集时间的设计方法。
Segmentation is a typical data sampling time interpolation algorithm, it has a number of advantages compared with pulse incremental interpolation method.
时间分割是典型的数据采样插补算法,它较之脉冲增量插补法有一系列优点。
Through thrice spline interpolation, we get full period sampling data from fix time sampling data. This method is proved feasible by an experiment.
通过三次样条插值,从定时采样的数据中获得整周期采样的数据,经过实验,证明是可行的。
The design method for the efficient time-varying network architecture of the fractional multiple sampling rate converter is presented and its field programmable gate array (FPGA) is implemented.
提出了分数倍抽样率转换器的高效时变网络结构的设计方法,并用现场可编程门阵列(FPGA)实现。
Method of intelligent sampling control is very useful for controlling the time delay system.
智能采样控制方式能够很好的实现带有大延迟环节的系统控制。
The proposed method is proved through the experiment and simulation, and it can provide an effective way to improve the fault time accuracy of power sampling system.
实验与仿真结果验证了文中所提出的方法,为提高电力采集系统故障时刻的精度提供了一种有效的途径。
By using the simple random-sampling method, this paper researches on the influence of the mark plants before the entry point of superhighway's ramp on the responding time of the driver.
采用简单随机取样法,研究了高速公路匝道入口前的标志植物对驾驶员反应时间的影响。
This method does not use the time variable as reference but is based on the amplitude of the signal. It can get the multirate sampling for complex signals.
不以时间作为采样的基准,而以信号的幅度作为采样的基准,实现了对包含多种频率成分的复杂信号的多采样率。
The design and application of a method, which is used in AC sampling unit, for dynamic adjusting synchronous-sampling-time-value is introduced.
介绍了一种应用于交流采样单元中的动态采样间隔调整法的设计与实现。
For a long time, the subgrade project quality testing and evaluation method follows the traditional excavation inspection and drilling and sampling test techniques.
长期以来路基工程质量检测与评价方法是采用传统开挖检查和钻孔取样试验的常规技术。
At the same time, 49 Yangtse River Delta White Goats were sampled as contrast population from the suburb of Yangzhou city Jiangsu province by the simple random sampling method.
同时,在江苏省扬州市郊区简单随机抽样49只长江三角洲白山羊作为对照群体。结果表明。
Using the method of transition probability flow graphs (TPFG), the average sampling number to signal for these charts is given, and the average time to signal for these charts is deduced.
利用转移概率流图(TPFG)方法得到了发信号前的平均样本数,进而推导出了发信号前的平均时间。
As the natural sampling method generating SPWM pulses closer to sine wave is impractical in real-time control, the regular sampling method with poor precision is usually adopted in practical projects.
自然采样法产生的SPWM脉冲效果最接近正弦波,但工程中不利于实时控制,在实际中常采用的规则采样法精度不够高。
As the natural sampling method generating SPWM pulses closer to sine wave is impractical in real-time control, the regular sampling method with poor precision is usually adopted in practical projects.
自然采样法产生的SPWM脉冲效果最接近正弦波,但工程中不利于实时控制,在实际中常采用的规则采样法精度不够高。
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