A new spectral interpolated compensation analysis method of periodic signals to compensate the spectral leakage caused by non-coherent sampling process is presented. 针对周期信号实际的非同步采样,提出一种频谱插值校正的分析法。
The control approaches of microbe during beer production including the earlier fermentation stage, fermentation stage, late fermentation stage and sampling process were summed up. 总结了啤酒生产过程发酵前段、酵母发酵阶段、发酵后段和取样过程中微生物的控制方法和途径。
Experiments are usually faced with homogeneous samples, so they tend to underestimate the importance of the sampling process which is really a crucial step in any analytical procedure. 实验通常面临均匀的样品,因此不要低估取样过程的重要性,它是分析过程一个非常重要的步骤。
The vacuum sampling technology is used in the sampling process, and the analysis method adopted is volumetric analysis and atomic absorption. 真空取样分析采用容量法与原子吸收法相结合。
In addition, considering the characteristic of digital sampling, this paper proposes a method that the point of current sampling during every switching period can be adjusted based on duty cycle, and it can ensure the precision in sampling process. 另外,该文针对数字系统离散采样的特点,根据每个开关周期的占空比调整相应的电流采样点,以保证电流采样的精度。
Numerical Simulation and Analysis of the Sampling Process of Wetness Measurement Probe 加热法测量湿度探针取样过程的数值模拟与分析
It is found that the superposition of surface echo on the defect echo during the sampling process, which is caused by the special structure of arc surface contact, results in the non-uniform background in C-scan image. That is the key reason influencing the C-scan image quality. 通过分析发现,由于弧形触点特殊结构的影响,在对缺陷回波采样过程中叠加的表面回波分量在C扫描图像中形成了不均匀分布的图像背景,这是影响C扫描图像质量的主要原因。
The reference clock source is sent to FPGA in order to do sampling process. CPU adjusts the output clock frequency of OCXO dynamically according to the result of counter in FPGA. 参考时钟源送到FPGA中做采样处理,CPU根据FPGA中计数结果,动态调整OCXO输出时钟频率。
Particle swarm optimized particle filter ( PSOPF) incorporates the newest observations into sampling process and also optimizes it. 该方法将最新观测值融合到采样过程中,并对采样过程利用粒子群优化算法进行优化。
ASM can modify sampling intervals in time according to the variations of signal frequency in every signal cycle and finish a sampling process in a signal cycle. 近似同步法根据信号频率的变化实时地调整采样间隔,并且只需一个信号周期就可完成一次采样过程。
Soil Sampler and Sampling Process in Geologic Exploration of Water and Water Power Project 水利水电工程地质勘察中取土器及取样方法探讨
The structure and features of the drum type sampler are described and sampling process and application result are narrated in detail. 介绍了辊筒式采样器的结构及特点,并详述了取样过程与应用效果。
This text introduces determining principle, sampling process, sample determination, and calculation of the industry lampblack. 介绍工业油烟测定原理、采样步骤、样品测定、计算等。
Sampling process realizes the analog signal discretization on the time domain, and for its inherent multiplying function, it also completes the linear spectrum conversion on frequency domain. 模拟信号的抽样(采样)实现了时域的离散。由于其固有的乘积环节,抽样实现了频谱的线性搬移。
Analysis and Emulation of Spectrum in Sampling Process of DRFM DRFM采样过程的频谱分析及仿真
It can also overcome the noise disturbance to the signal during the sampling process. 结果表明,这种算法准确、可靠,并且可以有效克服采样过程中常常出现的噪声对信号的干扰。
Using the Poisson sampling, the sampling process is more random, and it can show RTT variation character well. 采用泊松采样使得采样过程更加随机,更能体现RTT的变化特征。
That the phase match between input signal and CCD pixel has influence on the measuring results of MTF is showed by the analysis of the CCD sampling process. 通过对CCD采样过程的分析,说明了输入信号与CCD像元位相匹配对调制传递函数(MTF)有影响。
Research on internal surface measurement and adaptive sampling process based on fiber-optic sensor technique 光纤式内表面检测与自适应采样方法的研究
The local-searching operator and dynamic moving step is used to improve the Glowworm Swarm Optimization algorithm. At the same time, the GSO algorithm is adopted in particle filter to improve the importance sampling process. 同时,综合不同群智能算法的寻优机制,提出了增加局部搜索算子和动态步长的改进萤火虫优化算法,并将萤火虫优化算法和粒子滤波进行融合,改善粒子滤波的重要性采样过程。
The precision of the measurement of some of data, and the randomization of the sampling process, and the generalization of its conclusions to the studies of other markets, need be improved in the future studies. 对部分数据的测量、抽样过程中的随机化,以及研究结论在其他市场研究领域中的推广,都还有待于在后续研究中加以改进。
The test method of ADC dynamic performances under non-coherent sampling process was interpreted in this paper. Both simulation and experiment results verify the practicability and robust of the proposed test algorithm. 给出了在非同步采样的条件下,进行ADC动态性能参数测试的算法,仿真与实验的结果均证明了该算法的实用性。
The main contents of this paper are as follow: ( 1) According to functional requirements of NC carpet sampling machine, this paper puts forward carpet sampling process. 主要内容如下:(1)研究数控地毯小样机功能需求,提出小样机地毯绒织工艺,设计小样机主机机械结构,同时对主机进行干涉性和运动学仿真分析。
To address the problem of dramatic increasing pressure in the signal sampling process, people are working on a new sensing sampling model, compressed sensing theory, which is different from the traditional data sampling. 为了解决急剧增加的信号采样处理压力,人们正在研究一种与传统的数据采样方法不同的新型感知采样模式,即压缩感知理论。
The sample selection, sampling process, and feature of sampling are described. Factor analysis method and SEM are used to data analysis based on the sampling. 对样本的选择、抽样过程及样本对象特征进行了描述,采用了因子分析与结构方程建模方法对调查所获得的样本进行了全面数据分析。
In view of the instability of pump possibly affect the measurement results in airborne radioactive sampling process, PID algorithm is used to keep flow constantly. 考虑到采样过程中,泵流量不稳定会对测量结果造成影响,本文设计通过PID算法来对采样进行恒流控制。
The signal sampling process is restricted by the Nyquist sampling theorem, which requires that the sampling rate must be 2 times greater than the input signal frequency. 而信号采样过程受到奈奎斯特采样定理的限制,它要求采样率必须大于输入信号频率的2倍以上。
Implicit or explicit reconstruction of the scattered point cloud surface after the sampling process is the scattered point model of multi-resolution processing of important steps and key technologies. 隐式或显式地对散乱点云进行曲面重构之后进行的上采样处理是点模型多分辨率处理重要步骤和关键技术。
In the signal processing, Nyquist sampling theorem must be satisfied in the sampling process. 信号处理中,采样过程必须满足Nyquist采样定理。
Utilizing the model, an optimized transfer curve for polarization sampling has been obtained through adjusting the initial polarization angle of the sampling light pulse, as well as the injected current of the SOA. Meantime, the high-speed polarization sampling process was also simulated. 利用偏振采样的理论模型,通过优化输入偏振角及SOA注入电流值,得到了偏振采样的最佳传输特性曲线,并数字仿真了高速偏振采样的过程。