查询词典 azimuth error

After comparing the time domain approach of estimating azimuth and slowness in the f-k method with the frequency domain, it is shown that the time domain approach actually is not less accurate or efficient than the improved frequency domain approach, and in the case of signal-to-noise ratio is very low, the results obtained from the time domain approach are more reliable.

进一步对在时域中直接估算信号方位角和慢度的一种算法进行了分析，比较发现时域方法的计算速度和精度都不低于频域方法，且在某些低信噪比的情况下，前者可以给出更可靠的结果。

The results showed that the temperature of main parts of ship was different in a day, and it was also different among these parts at the same time. The radiant intensity was different around the ship at different time, and it was also different at the same time with different azimuth angle, and it increased with the increase in elevation angle.

模拟结果表明舰船的主要部位的表面温度在一天之中变化显著，且在同一时刻部位间的温度也存在明显差异；舰船不同时刻的辐射强度沿周向差异显著，同一时刻不同方位角上的辐射强度存在一定差异，同一时刻同一方位角上的辐射强度随仰角的增大而增大。

The given algorithm is simulated in various swaying conditions and compared, with the classical gyrocompassing approach The simulation results indicate that this method effectively improves the alignment performance, and the alignment time of azimuth is shortened by 50% as compared with that iu the gyrocompassing approachin the sam...

给出的算法在几种不同的晃动条件下进行了仿真计算，并和经典的陀螺罗经对准法作了比较。结果说明这种方法有效地改善了捷联惯导系统在晃动条件下的对准性能。在同样的模拟环境下，与罗经对准法相比，方位对准时间缩短将近一倍。

The constraints of the missile flying with SAR at the flight time are built, and the missile command acceleration is used as control variables to set up the objective function about the dwell time and the desired azimuth resolution. The control variables are optimized using the genetic algorithm, and an optimal trajectory is gotten.

首先建立了弹载SAR条件下导弹飞行的约束，然后以导弹指令加速度为优化变量，构造了与方位分辨率和波束驻留时间相关的目标函数，采用遗传算法进行寻优，设计得到了弹载SAR平台的优化弹道。

Because the scatterers at different range cells may have different Doppler characteristics, the range migration correction for moving ship is completed by coarse and fine correction procedures. The compensations of second and higher order phase terms are implemented in "range frequency - azimuth time" domain.

根据船体上不同距离单元散射点多普勒历程可能不同的特点，采用粗校正和精校正相结合的方法在距离频率-方位时间域进行二阶和高阶相位补偿，完成运动舰船目标的距离徙动校正。

This study shows that there is a liner relationship among the earthquake magnitude, epicentral distance and abnormal signal amplitude of the geoelectric field recorded at Wenxian station. For the signals with bandwidth of 0.003-30 Hz, the duration time of the anomaly is related to the lead time and the azimuth of epicental location.

研究表明，对于文县地电场观测点而言，震级、震中距、异常电信号幅度之间存在着线性关系；对带宽为0.003-30 Hz的异常信号而言，震前异常的时间长短与异常开始至发震时刻的时间长短存在着密切关系，且与震中方位有关。

Gypsii website author holds Ha Puer of · of company CEO red concurrently expresses:"Information of real time azimuth shares a technology to make gregarious network showed brand-new face ".

Gypsii网站创始人兼公司CEO丹·哈普尔表示：&实时方位信息共享技术使得社交网络显现出了全新的面孔&。

In the range frequency and compressed azimuth time domain of Tri-channel SAR/GMTI data, the clutter is cancelled by the mutual channel, and the PRF ambiguity number can be estimated from the remaining signals.

首先将三通道SAR/GMTI数据在方位压缩后的距离频域两两对消抑制杂波，然后进行PRF模糊数估计。

All available three-component time series are used to extract the Rayleigh and Love waves. The Signal-to-Noise Ratio at different periods and the azimuth distribution of the inter-station pairs with high SNR are discussed.

通过对三个分量记录的相关运算，获得了Rayleigh波和Love波的经验格林函数，分析了其信噪比随周期的变化和高信噪比台站对的方位分布。

In order to decrease the weight of tracking system and make suitable use of the Lander space, the pitching-axis of Lunar optical telescope is vertical with the Lander's flank, its rotation part is fastened on the Lander's flank, the azimuth-axis adopts rotation reflecting mirror, the flat mirror is located before the telescope tube, the angle of flat mirror and the telescope ray-axis is 45°,so that the reflecting ray can enter the telescope optical system, the scan of the mirror can be accomplished by the rotation of the telescope tube.

工作过程中望远镜支架的两个轴需带动望远镜一起转动，为了减小跟踪平台的重量和合理利用着陆器空间，又能在大范围内对太空目标进行跟踪，月基天文望远镜的俯仰轴垂直于着陆器的侧面，其转动部分固联在着陆器的侧面，方位轴采用旋转反射镜方式，将平面反射镜放在望远镜的镜筒前端，并与望远镜光轴成45°安装，使反射光线能够进入望远镜光学系统，通过转动望远镜镜筒使得反射镜实现对空间的扫描。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。