variable spray rate 变量喷雾
Variable Volume Spray 可变容量型喷头
variable rate spray 变量喷雾
①A switching-mode solenoid valve was actuated by a square electrical signal with tunable duty cycle and tunable frequency within 20 Hz. The intermittent variable spray flow based on PWM was achieved.
①用频率在20Hz以内可调、占空比可调的方波电信号驱动开关式电磁阀,实现了基于脉宽调制(PWM)技术的间歇式变量喷雾。
参考来源 - 喷雾图像处理及脉宽调制（PWM）变量喷雾的雾化特性研究A model that matches the Inter-hole variable spray control system was built. A machine vision-based inter-hole variable spray control system test platform has been build.
确定了穴间变量喷雾控制系统的匹配模型,构建了基于机器视觉的穴间变量喷雾控制系统试验平台。
参考来源 - 基于机器视觉的变量喷雾控制系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
On the basis of designing a variable spray rate system, this paper developed the system control model and the system transfer function. The model was simulated successfully with the MATLAB platform.
该文在自行设计的压力式变量喷雾系统基础上，建立了该系统的控制数学模型，得出了系统的传递函数，并利用MATLAB对系统模型进行了仿真。
The effects of this variable-rate spray equipment on spray characteristics were studied.
并研究了此种变量喷雾装置的喷雾特性。
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