提取

Feature Extraction of modulated signal is a important step in modulation identification algorithm based on feature extraction.

在基于特征提取的调制识别算法中，对调制信号特征的提取是其中一个重要的环节。

Extract two different characteristics , and using two dimensional matrix array Mome ..

分别提取两类不同的特征，用二维数组矩阵提取矩特征再进行二值化处理图像。

High temperature and pressure was applied to extract alkaloids in Kusnezoff Monkshood Root, and ESI-MS was adopted to detect the unprocessed and the processed lipo-alkaloids.

利用高温高压提取草乌中生物碱，利用电喷雾质谱法对提取前后的脂类生物碱进行检测分析。

The morion extraction is the procedure extracting moving object from sequential images, which has the high importance because the following steps mainly depend on its result.

这一阶段是后续所有处理的基础，具有重要的意义，但是由于现实世界的复杂性，使得这一阶段变的相当复杂，现阶段的运动提取算法都是建立在一定程度的限制和假设的基础上，很难找到一个适用于所有应用场合的运动提取算法。

The present invention relates to a textured yarn with different shrinkage and excellent suede effect, wherein at least one or two kinds of two-component composite yarn having a monofilament fineness of 0.001 to 0.3 denier after dividing or extracting an extraction component are twined around a thermoplastic multifilament yarn, 2 to 350 loops per meter of the two-component composite yarn of at least 1.0 mm in length are formed on the surface of the textured yarn, and more than 95% of the two-component composite yarn loops of at least 1.0 mm in length has a length of 1.0 to 2.5 mm.

本发明涉及具有不同缩率和出色麂装饰效应的变形纱，该变形纱中，在可提取组分分离或提取之后具有单丝细度为0.001至0.3旦尼尔的至少一种或两种双组分复合纱缠绕在热塑性复丝纱周围；每米双组分复合纱2至350个长度至少为1.0mm的弧圈在变形纱的表面上形成，且95％以上的长度至少为1.0mm的双组分复合纱弧圈具有1.0至2.5mm的长度。

Second, the threshold for each feature was brought up by using CART Algorithm. Finally, the multiple cropping index of 15 provinces of Northern China were extracted in 2005. Then, the result was compared with that of former researches, and it shows that DT method is more efficient.

最终，采用MODIS（moderate-resolution imaging spectroradiometer）/EVI数据，提取了2005年中国北方15个省市区的耕地复种指数，与之前的研究结果进行比较验证发现该方法具有较高的提取效率和精度。

This study proposed a new method for extracting multiple cropping index on pixel level with multi-temporal moderate-resolution imaging spectroradiometer enhanced vegetation index data based on the crop phenology and decision tree. The method could be divided into two steps.

该文通过深入分析农作物的农时历和耕地的时间序列植被指数曲线的对应关系，提取了反映作物种植模式的特征时相，并以特征时相的EVI值作为特征参量，构建了提取耕地复种指数的决策树方法。

And 43. 0%～75. 0% through added chicken manure to soil and the multiple cropping that transplant hyperaccumulators after them be cropped at their flowering stage.

3施加鸡粪后植物对Cd的提取率提高了35.7％～97.0％；采用开花期收获超积累植物的复种方式，植物提取率可以提高到1.43倍和1.75倍。

Objective To establish the mathematic model for the decision of the optimal technological condi-tions for extracting the total amount of baikal skullcap root by multiple factors and multiple levels planned based on u-niform experiment design.

目的 用均匀设计安排多因素多水平试验，确定黄芩苷总量提取工艺条件的数学模型，优选出提取黄芩苷总量的最佳工艺条件。

BUN of rats taking the extract of pine needles is obviously less than that of the control group, which shows that the extract of pine needles can slow down rats metabolism rate of proteolysis, hold myotome and delay exercise-induced fatigue.

2服用松针提取液的小鼠血尿素氮含量明显低于其对照组，说明松针提取液可以降低运动小鼠体内蛋白质分解代谢速率，保持肌力，延缓运动性疲劳的发生。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。