查询词典 density function

Aiming at the complexity of data used by tradition method, the new method firstly extracted key points-unstructured data of position and scale stabilization from circum-rectangle area of human body,computed power spectral density of key point; Then obtained distribution of power spectral density of key point; finally judged human movement state form its distribution characteristic.

针对传统人体状态检测方法利用数据信息的复杂性，对图像中人体外接矩形区域提取位置和尺度稳定的非结构化数据信息——关键点，计算关键点的功率谱密度，在序列视频图像中可获得关键点功率谱密度的分布，利用其分布特点判断人体运动状态。

For instance, as temperature decreasing, the Peierls transition will take place in one-dimensional (1D) conductor, at which supperlattice, charge density wave and spin density wave occur.

比如，一维导体是不稳定的，温度降低时会发生Peierls相变，出现超晶格和电荷密度波或自旋密度波，材料成为半导体或绝缘体。

CT of lung show diffused distribution of plaque and spottiness with high density cavity with inequlity of size and ellipse nodus with sharpness edge and high density. Cases received treatment with Amphotercin B combination fluconazol by vein and intrathecal injection of Amphotercin B.Five cases were cured and five were improved.

5胸片表现为两肺散在分布小片状、小结节阴影，边缘模糊、内见不规则低密度区；CT示两肺广泛分布斑片状和斑点状密度增高影、大小不等的空洞或类圆形边缘光滑高密度结节。

Estimation of spectral densities for single and multiple time series. Nonparametric estimation of spectral density, cross-spectral density, and coherency for stationary time series, real and complex spectrum techniques.

时间序列谱分析：单个和多个时间序列的谱密度估计，谱密度的非参数估计，交叉谱密度，静态时间序列的一致性，实时和复杂的谱技术，双频谱Bispectrum。

Firstly, Flow patterns which related with the characteristics of measurement have been studied with both the time series analysis and density wave theory, which lay a solid foundation for oilAvater two-phase flow measurement Then a theoretic model of oil/water two-phase flow measurement based on stationary density wave theory has been brought up.

论文首先研究了与测量特性有关的油水两相流流型问题，基于时间序列分析和密度波理论分别得到了流型表征结论，为进一步从测量的时间序列波动信号辨识流型奠定了方法基础。

Clavicle bone is suitable for implant as its density,and for the repair of mandibular defect as its shape.The accurate data of personalized clavicle shape and bone density can be measured through preoperative imaging.It can be used for design of mandibular defects repair and / or tooth plant in the same period with pedicle sternocleidomastoid muscle.

锁骨的骨密度适合做种植牙修复，锁骨的外形适合做下颌骨缺损修复，术前对影像学资料进行丈量能取得个性化的锁骨外形及骨密度的较为正确的数据，对临床上利用带血供的胸锁乳突肌锁骨瓣修复下颌骨缺损和/或同期种植牙修复具有一定的指导意义。

Prehypertensive subjects versus normotensive subjects had significantly higher body mass index and subscapular skinfold, systolic and diastolic blood pressures, and triglycerides beginning in childhood; higher glucose in adolescence; and higher low-density lipoprotein cholesterol, fasting insulin, and insulin resistance index in adulthood. Hypertensive subjects versus normotensive subjects had higher adiposity measures, SBP and DBP, glucose, and triglycerides beginning in childhood; higher insulin and insulin resistant index in childhood and adulthood; and lower high-density lipoprotein, cholesterol in adulthood.

与正常血压者相比，高血压前期者其幼年期基础体重指数、肩胛下皮肤皱褶厚度、收缩压和舒张压、甘油三脂等指标更高；在青春期血糖水平更高；在成年期低密度脂蛋白胆固醇、空腹胰岛素、胰岛素抵抗指数更高；与正常血压者相比，高血压者在幼年时基础水平的肥胖积分、SBP 和DBP、血糖、甘油三脂等更高；在幼年期和成年期胰岛素和胰岛素抵抗指数水平均更高；在成年期高密度脂蛋白胆固醇水平更低。

It indicates that theXiananshan flora belongs to a transitional type from subtropic to tropic vegetation.A close correlation is established between trichome base density of modern L. formosanaand climatic parameters. The trichome base density of fossil L. miosinica is ca. 10 cm~(-2,indicating that the late Miocene climate in Tiantai is similar to that in nowaday Guangzhou.

现生和化石枫香的角质层上都含有表皮毛／毛基，利用不同地区间现生枫香叶片上表皮毛的变化建立毛基密度(个／cm~2)与气候参数的关系，根据化石枫香的毛基密度(约10个／cm~2)指示了天台晚中新世的气候与现在广州相似。

The effect of inter-block interaction can be taken into account by projecting the state of the superblock (with connecting sub-blocks, which are addressed"system"and"environment", respectively) into the system block to obtain the density matrix, the importance of each state derived by the density matrix is evaluated by the corresponding eigenvalue.

通过比较数值重整化群方法在Kondo模型中成功和在Heisenberg模型中失败的原因，得到能量最低的态不是强相关模型中的优选态的结论，从而引出密度矩阵重整化群方法。

For the evolution of the forward density front of water-plasmas, it is found that the density front moves with supersonic speed at the beginning, as predicted by a hydrodynamics simulation.

此外在研究水等离子体在激光方向的前向动力学演化过程中发现，在早期等离子体密度波前以超声速运动，这和理论模拟一致。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样