The basic principle and specialties of SHS are introduced.The development and application of SHS are recounted.The prospects of SHS are presented.

• 本文介绍了空间外差光谱仪的基本原理及其技术特点,详述了空间外差光谱技术的发展与应用,并展望了空间外差光谱技术的发展趋势。