查询词典 azimuth

The key of this method is the pre-filter, which convolutes the raw data with a selected azimuth LFM.

它的核心步骤是预滤波，可以实现方位向数据和一个参数可调的线性调频信号的卷积。

It deducts the formulas of azimuth angle and attitude angle and uses fixed-point DSP to realize the arithmetic of the angle.

推导了方位角和姿态角的理论公式，并实现了角度的定点DSP算法。

In this paper,we present a rapid and practical radar azimuth calibration method and shaft angle position digitalizing system that has been successfully proven by radar installation test.

给出了一种已经雷达装机试验成功的方位标校方法和轴角变换系统，并被广泛应用于高机动地面情报雷达伺服系统中，取得了良好的效果。

In this paper, the effect of antenna boresight pointing instability on SAR image quality is studied. At the same time, the theoretical analysis and simulation results for the effect of antenna azimuth and elevation boresight pointing multi-frequency jittering on image quality in a squint mode are given respectively.

研究了天线波束指向抖动对图像质量的影响，分别给出了等效斜视情形下天线波束方位向多频抖动和距离向多频抖动对成像质量影响的理论分析和仿真结果。

The paper keens on missile azimuth aiming system, in particular, the measurement method of the precision on aiming system of the underwater to surface missile on the sea.

论文研究的对象是导弹的方位瞄准系统，重点研究潜地弹道导弹方位瞄准系统海上瞄准精度鉴定的方法。

Furthermore, the fault detection and disposal methods for OD racing, sliding, rolling with sliding and sideslipping errors are analyzed briefly.Secondly, this paper dissects the influences of the drifts of gyros and the initial error of azimuth angle on the positioning precision of SINS/OD system.

但在实际应用中，车轮在空转、滑行、连滚带滑和侧滑等情况下，里程仪将出现测量故障，影响系统的定位精度，针对这些情况，本文在理论分析的基础上给出了相应的故障判断和处理方法。

We assume that changes of azimuth antenna pointing between subswaths are small enough to guarantee that DC changes much tinier than PRF diversity.

算法假设子带间的方位向天线指向变化足够小，以致由此导致的多普勒中心的变化远小于PRF的差异，从而可以近似认为多普勒中心是随距离连续变化的。

This paper introduces an analytic method of quick north seeker , whose principle is to use gyro to sense the component value of the angle-rate of the earth rotation, with which the northern azimuth angle between the referenced shaft of carrier and actual ...

本文提出一种基于解析的快速寻北方法，其原理是利用陀螺仪敏感地球的自传角速率分量，并由此计算出载体的参考轴向与真北方向的夹角，即偏北角。

This paper introduces an analytic method of quick north seeker , whose principle is to use gyro to sense the component value of the angle-rate of the earth rotation, with which the northern azimuth angle between the referenced shaft of carrier and actual north angle can be measured.

本文提出一种基于解析的快速寻北方法，其原理是利用陀螺仪敏感地球的自传角速率分量，并由此计算出载体的参考轴向与真北方向的夹角，即偏北角。

An acoustic phased arc array transmitter with azimuth radiation was designed. The acoustic field generated by the acoustic phased arc array transmitter in the borehole formation was simulated using the 3D finite difference method.

设计了一种具有方位辐射特性的声波测井相控圆弧阵声波辐射器，采用三维有限差分法对其在井旁地层中产生的声场进行了数值模拟。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。