雷达

The result shows that the severe convective storm was based on the favourable large scale weather background,complex orography triggered the origin of single cell which was developed to severe storm made up of multiple cells causing hail and severe wind,characteristics of radar echo was evident.

结果表明，此次强对流天气过程是在有利的大尺度天气形势背景下，由复杂地形触发出初始单体并发展为多单体强风暴产生冰雹和大风天气，雷达回波特征明显。风暴回波强度强，回波结构紧密，顶部有旁瓣假回波，低层存在弱回波区，环境风的垂直切变较强。

As to the waveform management of phased array radar, two strategies based on IMM algorithm is studied, which are covariance matrix orthogonal and mutual information methods.

对于相控阵雷达波形管理，研究了两种基于IMM的自适应波形策略：协方差矩阵"正交"法和互信息量法。

It's very important to process digital orthorhombic demodulation.

对接收到的高频信号进行全数字正交相干检波是十分重要的，它保留了信号复包络的完整信息，包括振幅和相位，因此可以很好的提取有用信号，对其进行后续处理；在匹配滤波器理论指导下提出的人们提出了脉冲压缩概念，脉冲压缩体制较好的解决了作用距离和分辨力之间的矛盾实现了提高雷达距离分辨力的要求。

In modern radar and communication system,phase noise of local oscillator becomes a vital factor of system performance.

在现代雷达和通讯系统中，本振相位噪声越来越成为决定系统性能的关键因素。

With the development of radar and wireless communications, the request for the local oscillator is higher and higher in the system.

随着雷达和无线通信事业的不断发展，系统对本振源提出了越来越高的要求。

The sun parallax measurement has been used in modern radar and laser technology to achieve a better use of the value.

太阳视差的测定现代已采用雷达和激光技术取得了更好的采用值。

Multiple graphical methods such as parallel coordinates,star glyph,constellation graph can be unified by this model.

该模型可以统一描述多种常用的图表示方法，如平行坐标、雷达图、星座图等。

Popular multivariate visualization such as scatter plot matrix,parallel coordinates,star plot,Andrews plot have long history and widely application,but a united theoretical basis is absent up to now.

常用的多元数据可视化方法如散点图矩阵、平行坐标、雷达图、三角多项式图等具有悠久的历史和广泛的应用，但是长期以来缺乏统一的理论基础。

Where, in the first stage, the parallel beeline is replaced by the parallel curve defined with the equality of the distance on direction of the normal. It is closer to the real road than the beeline model.

2建立了合成孔径雷达典型目标区域分割和光学影像目标区域边缘定位的多源影像典型目标融合提取模型。

On the basis of setting up a model of the parallel transmission link of short-wave data communication system, this paper analyses the anti-noise performance of data communication in a non-selective Rayleigh gradually fading ionosphere channel, and derives the average error code rate formular and its curves.

在建立并发制短波数据通信系统模型的基础上，分析了非选择性瑞利慢衰落电离层信道中数据通信抗噪声性能，并导出了平均误码率公式，生成了误码率曲线，为雷达情报短波数据通信链路的仿真及效能评估提供理论依据

They go to town. Would you just ask them?

他们在城里你能问他们吗？

Ossein pretreated for a2 weeks period exhibited the maximum% yield incase of bone gelatin, while the yield from intact skin was higher than that realized incase of de-scaled skin.

预处理时间达2星期的骨胶原表现出最高的骨明胶百分产量，然而从未处理鱼皮中得到的产率比去鳞的鱼皮得到的要高。