您要查找的是不是：
- The simulation of bistatic/multistatic HF ground wave radar echo is analyzed. 摘要分析了双／多基地高频地波雷达回波信号的仿真过程。
- Wave--- great graphical ripples and wave patterns. 使图像成波浪状起伏。
- We see that a physically possible wave pattern is an SV-wave incident at an angle. 我们看到，一种物理上可能的波式样是一个以下列角度入射的SV波。
- A three dimension polarization filtering algorithm is put forward to suppress th e skywave interference in HF ground wave radar. 以高频地波雷达为背景，提出了三维极化滤波方法，此方法能够滤除二维极化滤波不能抑制的干扰，扩大极化滤波的干扰抑制范围。
- The quality of IVECG signals, which included baseline drift, P-wave pattern, and QRS wave pattern, were assessed for 10 seconds. 以连续 10 秒心电图基准线漂移程度，P 波图形及 QRS 波图形的清晰状况作为静脉心电图讯号传导品质的评估。
- An ocean echo signal simulation system for verification and calibration of FMICW high frequency ground wave radar is presented in this paper. 该文给出一种调频中断连续波(FMICW)高频地波海况监测雷达的仿真模拟检验系统。
- SDA is especially meaningful because it is the first event to awards honors to dramas from all three ground wave stations. 除了韩国三大电视台的综合选送作品外，我们也非常注重颁奖典礼的公正性。
- By use of data measured and collected with thermocouple technique, fuzzy c-means (FCM) clustering has been applied in recognizing dynamic wave pattern of mould breakout. 并利用结晶器热电偶温度检测技术,把模糊聚类技术应用于漏钢动态波形识别。
- The paper introduces the method of the HF ground wave radar to pick-up the usable information, gives the detailed scheme to obtain the simulant echo. 文章首先分析了雷达回波信号中有用信息提取方式，给出了模拟回波信号的实现方案；
- By shifting the standing wave pattern in space,a new design scheme to control the rotation direction of the standing wave ultrasonic motor is presented. 利用移动定子中驻波振动模式空间位置的方法,该文提出一种旋转方向可控的驻波超声马达设计方案。
- The wave added resistance obtained by analising the unsteady wave pattern is in accordence with the results from the conventional wave added resistance experiments. 本文采用多点单纵切测量系统测出在规则波中迎浪航行船模生成的非定常波形;求出其柯钦函数和波谱函数;并用计算船模远场波能流的方法求出波浪增阻值;将其与常规波浪增阻实验结果相比较;其符合程度令人满意.
- In this paper, signal preprocessing for bearing determination of ocean surface radial current mapping by HF ground wave radar based on MUSIC is investigated. 阐述从高频地波雷达海洋回波反演海洋表面流中,使用MUSIC算法提取径向流方位必须的信号预处理。
- The total wave field simulation is realized by this method for the wave pattern conversion and the wave form change in the propagation of the seismic wave. 实现了在微机上用有限差分法对地震波在传播过程中的波型转换及波形变化的全波场模拟。
- It is one of the key techniques how to correct the additional second-phase factors (ASF) which indicate the affection of land on the speed of ground wave for developing the accuracies of timing and navigation of Loran-C signal in long-wave. 如何修正用以表征陆地对罗兰C信号电波(地波)传播速度影响的附加二次相位因子(ASF),是提高长波无线电导航定位和高精度授时的关键技术之一。
- The frequency of the RLG is researched,the formation of the four-wave pattern and the different pick-off circuits are described,and the precession of the circumferential wave pattern is analysed. 推导了半球谐振子四波腹振型的形成，同时分析半球谐振子环向振型的进动性，说明了不同的拾振原理。
- The characteristics, basic circuit, and working wave pattern of transistor type optical coupler and its function in electronic control unit of hydraulic discharging machine were introduced. 介绍了晶闸管光耦合器的特性、基本电路、工作波形及其在液压下料机电子控制装置中的作用。
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- The paper digs out some causes and countermeasures respecting raw mate-rial and machanisms through some typical examples of wave patterns and curves. 本文通过几个典型实例，分析一些特殊的波谱图、曲线图，从原料、机械等方面找出原因并进行改进，以提高成纱质量。
- Computed results of the numerical examples indicate that they can characterize the transom flows and lead to wave patterns similar to the results of the experiment. 算例的数值结果表明它能显示方尾流动特征并导致与实验相近的方尾波形。
- The ground was covered with ferns. 地面上长满了羊齿植物。
