And the equations of plane-wave expansion ( PWE) method are given in detail.

Bandgap and Damping Property Analysis of Two-dimensional Periodic Composite Structure Based on PWE

基于PWE的二维周期性复合材料带阻特性研究

When the statistical characteristics of Gaussian clutters are known, polarization whitening filter ( PWF) is usually selected as detector.

在高斯杂波统计特征已知的情况下，极化白化滤波器（PWF）常被用于杂波中雷达目标的检测。

The technique for preparing phenol formaldehyde resin from phenolated wood ( PWF) and its characters were studied and analyzed.

本文研究了用酚化木材制备酚醛树脂的技术，并对其性能进行分析。

The Polarimetric Whitening Filter ( PWF) is efficient in speckle suppression by using complex data of three polarimetric channels.

极化白化滤波器（PWF）是利用多个极化通道的复数据抑制相干斑的有效方法，但其输出只有一个通道。

Study on High-Resolution Polarization Radar Target Detection Algorithm Based on PWF

基于PWF融合的高分辨极化雷达目标检测算法

O the Night, the Night, the wizard Night, When the garish reign of day is o'er, And the myriad barques of the dream-elves come In a brightsome fleet from Slumber's shore!

黑夜啊黑夜，魔幻的夜，耀眼的白昼不再肆虐，梦幻精灵扬起无数白帆，船队驶离睡眠海岸冰清玉洁！

PWI was a effective method in studying the changes of blood flow perfusion after intracerebral hemorrhage.

PWI是客观研究和评价脑出血后脑组织血流动力学变化的有效手段。

Study of PWI to the before and after TACE of Primary Hepatic Carcinoma

原发性肝癌TACE前后磁共振灌注成像的研究

The Clinical Application of DWI and PWI in The Super-acute and Acute Ischemic Stroke

磁共振弥散加权和灌注加权成像在超急性和急性缺血性脑卒中的临床应用价值

DWI and PWI were widely used in diagnosis, differentiating, and evaluating the prognosis of liver neoplasm and diffuse lesions.

目前，弥散成像和灌注成像已广泛应用于肝脏肿瘤和弥漫性疾病的诊断、鉴别诊断和治疗后疗效评价。

The Public Welfare Lawsuit ( PWL) originates from the Roman Law and has a long history, whereas, the emergence of civil public welfare lawsuit ( CPWL) dates back not long ago.

公益诉讼源于罗马法，具有古老的历史，但民事公益诉讼存在的时间并不很长。

By using PWL method an optimal model set of nonlinear system multiple model adaptive control algorithm is given, which reduces the heavy computation burden in multiple model adaptive control.

给出了非线性系统多模型自适应控制算法的优化模型集建立方法，解决了多模型自适应控制模型多、计算量大的问题。

Conventional models for continuous piecewise linear ( PWL) functions have too many parameters which cannot compactly represent PWL functions.

因为连续分片线性常规模型使用过多参数，所以研究它的紧凑模型很有必要。

We derive a composition rule for arbitrary continuous PWL function on the basis of the canonical representation.

本文基于连续分段线性（简记为PWL）函数的规范型表示，给出了任意一维连续规范型PWL函数的复合运算规则。

Intrathecal morphine increased distinctly PWL in the model of inflammatory pain.

鞘内注射吗啡能明显延长炎性疼痛模型大鼠的热痛缩腿反应潜伏期。

PSPICE Simulation of Chaos Dynamical System Including PWL Elements

含分段线性项的混沌动力学系统的PSPICE电路模拟

Global optimization of piecewise linear ( PWL) function with a linear constraint

具有线性约束的分片线性函数的最优化方法

The Works Bureau is mindful of the need to implement the large Public Works Programme ( PWP) in the most cost effective and efficient manner.

该查勘必须由环境规划与公众事务部公共工程秘书处等部门或由工程师组成的委员会进行。

Relationship between pulmonary wedge pressure ( PWP) and left atrial pressure ( LAP) was studied in28 children of congenital heart disease.

本文对28例先天性心脏病患儿进行肺楔压（PWP）与左心房压（LAP）的时照研究。

Research showed that adding a certain amount of PVP can improve the PWP of PVDF-HAP hollow fiber membrane evidently.

研究表明，添加了一定量的PVP可有效的改进PVDF-HAP中空纤维膜的渗透性能。