在室内对红外烟雾、激光烟雾做战术技术性能试验是光电对抗技术研究的重要手段。本文阐述在此类试验中的最优时空控制原理与技术。它是依据切比雪夫关于寻求均匀逼近的近似方法，使逼近误差在整个定义区间上趋于最小值。文中论述了适于程序设计的数学模型，提出了相应的技术路线，给出了有关电路。 In the indoor infrared smoke, laser smoke to do tactical technical performance test is an important means of optical countermeasure technology. This article describes the best spatio-temporal control principles and techniques in such experiments. It is based on Chebyshev’s approach to finding a uniform approximation, which approximates the approximation error to a minimum over the entire defined interval. This paper discusses the mathematical model suitable for programming, put forward the corresponding technical route, given the circuit.