在外场考核激光烟雾的战术技术性能是烟雾干扰特性试验的最重要手段。为降低生产成本 ,减少试验消耗 ,我们应用基于最小二乘法的多项式拟合技术 ,它能依据少量烟雾弹的直接测试 ,估计众多烟雾弹齐射时的干扰性能。以此为基础 ,讨论了烟雾室内试验中的特性参数估计问题 Tactical and technical performance of laser smoke in the field assessment is the most important means of smoke interference test. In order to reduce the production cost and reduce the test consumption, we apply the polynomial fitting technique based on the least square method, which can estimate the interference performance of many smoke bombs based on the direct test of a small amount of smoke bombs. Based on this, the problem of estimating the characteristic parameters in indoor smoke test was discussed