提出一种由线性调频与二相码组合而成的新型混合脉冲信号，给出了其数学表达式、处理方法及其模糊函数的表达式。
According to a new type of mixed pulse compression signal, this paper discusses the mathematical expression, the way of processing and the expression of the ambiguity function.
推导出图像在线性和正弦运动条件下的调制传递函数(MTF)的数学表达式。
The mathematical expressions of MTF for linear motion and sinusoidal vibration are developed.
通过机理分析的方法建立了中间储仓式制粉系统球磨机的动态数学模型，给出了其解析表达式，从理论上揭示了球磨机系统的非线性、强耦合特征。
Dynamic mathematical model of ball mill pulverizing system with storage bunker is obtained by mechanism analysis, this model demonstrates the nonlinear and strong coupling feature of ball mill system.
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