發(fā)布時(shí)間：2019-06-16 18:01

【摘要】：分析回顧了雷達(dá)工程中,當(dāng)前通用的方位俯仰極坐標(biāo)框架下,無線電雷達(dá)跟蹤測(cè)量系統(tǒng)角偏差正割補(bǔ)償修正方法的由來及其局限性;提出了跟蹤指向坐標(biāo)系的定義。利用坐標(biāo)轉(zhuǎn)換原理給出了一種簡(jiǎn)便易行的偏差無奇點(diǎn)精確修正推導(dǎo)新方法,并證明了新方法與通用的基于立體幾何推理方法的等價(jià)性,同時(shí)分析了新方法在雷達(dá)軸系偏差修正中的典型應(yīng)用及其對(duì)系統(tǒng)跟蹤測(cè)量精度的影響。對(duì)于89°仰角、方位俯仰角偏差均為3 mrad的情形,正割補(bǔ)償修正法指向計(jì)算存在6 759.2″的方位角誤差和63.5″的俯仰誤差。新的推理方法有利于極坐標(biāo)框架下的空間目標(biāo)高精度跟蹤與測(cè)量,尤其是高仰角過頂跟蹤性能、指向精度和跟蹤數(shù)據(jù)利用率的提高。
[Abstract]:This paper analyzes and reviews the origin and limitation of the correction method of angular deviation cutting compensation for radio radar tracking and measuring system under the current azimuth pitch polar coordinate framework in radar engineering, and puts forward the definition of tracking pointing coordinate system. Based on the principle of coordinate transformation, a simple and feasible method for deducing accurate correction of deviation without singularity is presented, and the equivalence between the new method and the general method based on stereo geometry is proved. At the same time, the typical application of the new method in radar shafting deviation correction and its influence on the tracking and measurement accuracy of the system are analyzed. For the case of 89 擄elevation angle and azimuth pitch angle deviation of 3 mrad, the Secant compensation correction method points to the existence of 6 759.2 "azimuth error and 63.5" pitch error. The new reasoning method is beneficial to the high precision tracking and measurement of spatial targets in polar coordinate framework, especially the tracking performance of high elevation angle, the improvement of pointing accuracy and the utilization ratio of tracking data.
【作者單位】： 中國(guó)衛(wèi)星海上測(cè)控部飛行器海上測(cè)量與控制聯(lián)合實(shí)驗(yàn)室;
【基金】：國(guó)家自然科學(xué)基金項(xiàng)目(61403421)
【分類號(hào)】：V556
，

本文編號(hào)：2500713