查询词典 sampling

A 1∶250 00 standard map sheet (about 91 km 2) is used as a sampling unit in the western China's Xinjiang Uygur Autonomous Region and one county is used as a sampling unit in eastern China.

在黄淮海、长江中下游棉区采用县为单元的分层抽样的方法，抽样样本用遥感调查的方法获得。

Moreover, during the radar signal generation, static and dynamic characters of backscattering coefficient are set up, and time sampling of each clutter unit is computed with voltage character and power spectrum character, and the sampling signals are added in every distance gate to output time series. In addition, noise is modeled with a function of Gaussian stochastic process.

在雷达信号模拟中，建立了杂波后向散射系数的静态和动态特性，从杂波的幅度统计特性与功率谱特性入手，计算了每个杂波单元的时域采样，按照对应的距离门叠加各个距离模糊间隔上的回波信号并形成时间序列，并采用一个高斯随机过程的样本函数来表示噪声模型。

Single chip ; Power unit ; AC sampling ; Hardware synchronous sampling

单片机；发电机组；交流采样；硬件同步采样

Meanwhile, optimal sampling number and sequential sampling technique were also discussed in this paper.

同时，对榆紫叶甲林内理论抽样数和序贯抽样技术进行了初步探讨。

The applications of best fit sampling in data substitution and sequential sampling were dircursed.

并探讨了最适抽样数在资料代换及序贯抽样中的应用。

The practical application of the Complex Sequential Sampling Decision Technique has been restricted due to the lack of the End-limiting Sequential Sampling Model.

复序贯抽样决策技术实际应用的受限，原因在于截止限序贯抽样模型的缺乏。

Topics include: attribute and variables sampling plans; sequential sampling plans; rectifying control procedures; charting, smoothing, forecasting, and prediction of discrete time series.

包括：计数抽样计划和变动抽样；序贯抽样计划；调整控制过程；制图，平滑，预测和离散时间序列的预报。

Topics include: attribute and variables sampling plans; sequential sampling plans; rectifying control procedures; charting, smoothing

包括：计数抽样计划和变动抽样；序贯抽样计划；调整控制过程；制图，平滑，预测和离散时间序列的预报。

Objective: To provide a minimum sample size approach and a sequential sampling approach for testing whether the sporozoite rate has exceeded the critical level of malaria epidemics using the pool sampling method.

目的：给出基于混合样本的最小检测次数法和序贯检验法，以检验子孢子阳性率是否超过导致疟疾流行的临界水平。

It is shown through the living example analysis that, with the Complex Sequential Sampling Decision Technique, the sampling cost may be cut down by a big margin for the same bio-population under the conditions of given degrees of accuracy and confidence.

实例分析表明：对于同一种生物种群，在一定的精度和置信水平要求下，复序贯抽样决策方法可以大幅度地节约抽样成本。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。