International Joint Research on Svalbard IS Radar

斯瓦尔巴群岛的斯皮斯卑尔根位于极地尖区，是科学上独特而重要的位置，太阳风粒子穿透地球磁层和高层大气，在冬季甚至白天都可以同时进行光学和雷达观测。斯匹次卑尔根岛高功率非相干散射雷达对日地科学研究具有重要意义。因此，斯瓦尔巴特群岛雷达的合作项目，（日地环境实验室），日本名古屋大学和EISCAT（欧洲不相干散射）欧洲六国科学协会（芬兰、法国、德国、挪威、瑞典、联合王国）正在进行中。1991年，日本曾提出为斯瓦尔巴德雷达设计相控阵型雷达，另一方面，EISCAT提出了碟形雷达。经过名古屋大学和EISCAT之间的谈判，曾经计划在斯匹次卑尔根岛建造一个由两个分别位于日本和EISCAT的雷达组成的双基地雷达系统。1992年，合作计划改为日本将分享雷达系统的一部分，以恢复由于财政限制而从EISCAT提议的原始碟型系统中丧失的能力。现在，基于单基地系统的斯瓦尔巴特群岛雷达的新计划正在合作中进行。

Spisbergen, Svalbard locates at the polar cusp region which is scientifically unique and important location, where the solar wind particles penetrate into the earth's magnetosphere and upper atmosphere and where sumultaneous observations by both optical and radar techniques are available during winter even in daytime. A high power IS (Incoherent Scatter) radar in Spitsbergen is quite useful for researches on solar-terrestrial sciences. Therefore, collaborative project on Svalbard radar between STEL (Solar-terrestrial Environment Laboratory), Nagoya University, Japan and EISCAT (European Incohenrent Scatter) Scientific Association organized by six European countries (Finland, France, Germany, Norway, Sweden, United Kingdom) is under progress.In 1991, Japan had proposed a phased-array type radar for Svalbard Radar and, on the other hand,EISCAT had proposed a dish type radar. Following negotiation between Nagoya University and EISCAT, once a bi-static radar system in Spitsbergen consisting of two separately located radars to be constructed respectively be Japan and EISCAT was planned. In 1992, the collaborative plan has been changed to such that Japan will share a part of the radar system in order to restore the capability lost from the original dish type system proposed by EISCAT because of a financial restriction. Now new plan of Svalbard radar based on a monostatic system is in progress under collaboration.