查询词典 sampling method

Phase theory analysis of spatial integral sampling provide theoretical basis for under sampling aliasing reduction.

空间积分抽样相位理论分析为消减欠采样产生的折叠混淆效应提供了理论依据。

The data were collected from the public communities in random sampling and college students in subjective sampling. The survey were conducted in three stages, including pre-survey, pilot survey and main survey; response rate was 71%; and 956 valid copies of questionnaire were collected.

以社会公众和在校大学生作为研究对象，分别采用方便抽样和主观抽样，进行了三阶段的问卷调查，包括预试、初试和主试，问卷回收率71%，共收集有效问卷956份。

Students will learn Descriptive Statistics, Probability and Random Variables, Probability Distributions, Sampling and Sampling Distributions in Statistics.

同学们将在统计学中学习叙述统计量的意义与计算、机率与随机变数、机率分配、抽样与抽样分配等基础统计方法。

Besides correct sampling procedures, proper sampling frequency is necessary to monitor the oil condition and the wear trends of machinery components.

除了要保证正确的取样程序外，合适的取样频率也是检查润滑油状况及设备零件的磨损趋势所必须的。

Besides correct sampling procedures, proper sampling frequency is necessary to monitor the oil condition and the wear trends of machinery component s.

除了要保证正确的取样程序外，合适的取样频率也是检查润滑油状况及设备零件的磨损趋势所必须的。

Besides correct sampling procedures, proper sampling frequency is necessary to monitor the oil condition and the wear trend s of machinery components.

除了要保证正确的取样程序外，合适的取样频率也是检查润滑油状况及设备零件的磨损趋势所必须的。

Small signal equivalent circuit analysis shows that the small signal output resistance in the accurate proportional current sampling mode circuit is much larger than that in a traditional proportional current sampling mode circuit, and circuit stability could be assured.

通过电路的小信号模型分析，得到精密比例采样模式的小信号等效输出电阻远大于传统比例采样模式，同时保证了系统的稳定性。

Circuit simulation and chip testing results show that when the LED driving current is 350 mA and the power supply is 6 V with ±10% variation, the stability of the output constant current of the accurate proportional current sampling mode LED driving IC will show 41% improvement over that of a traditional proportional current sampling mode LED driving IC.

经电路仿真及流片测试，表明当LED驱动电流为350mA，电源电压6V并正负波动10%时，改进的精密比例采样模式LED驱动电路比传统比例采样模式LED驱动电路的恒流特性稳定度提高了41%。

The main works are as follows:Firstly, in order to produce quincunx down sampling and up sampling which could form directional wavelet transform, the rotated factor matrixes is introduced based on discrete wavelet transform.

在遥感图像去除噪声的过程中提出一种软阈值映射函数，在不同尺度的高频子带图像采用不同的软阈值增益，并采用新的阈值估计算法来确定不同分辨率的高频小波系数的分布来进行图像噪声的有效抑制。

For the former two types of soil, the Quincunx sampling was selected, and the random sampling used in the Qixia Temple for landform needs of mountain. The evaluation standard was based on requirements of Environmental Quality Standard for Soil（GB15618-1995）that the soils of mining area and Qixia Temple used the third criterion and vegetable garden used the second criterion.

露天采矿区和菜地土壤采用梅花布点采样方式，栖霞寺由于属于山地，采用随机布样方式；评价标准参考国家土壤环境质量标准（GB15618—1995）的要求，对矿区和栖霞寺林区土壤采用土壤环境质量三级标准进行评价，对菜地土壤采用二级标准评价。

Excludes: dislocation, sprain and strain of sternoclavicular joint

不包含：胸锁骨间关节的脱位，扭伤和拉伤 S43.2， S43.6

Based on the traditional intelligent network idea, a new method of design SIBs (Service Independent Building Block) is offered. These new SIBs can be used to construct the open service development platform. This method can be applied not only in intelligent network but also in distributed service executive environment of the ISS .

基于传统的智能网SIB（Service Independent Building Block）设计思想，提出了一种设计SIB的新方法，基于该方法构建的SIB可以创建更加开放的业务开发平台，不仅适用于智能网系统，而且也适用于ISS的分布式业务执行环境。