该文利用平面正四边形阵列对直升机目标进行定位，讨论了定位系统的原理及其算法，并对定位精度进行了分析。
This paper USES a square array to locate a target of helicopter and deals with location theory and its algorithm, as well as analyzing location accuracy.
本文从试飞员的角度系统讲述了直升机自转进入滞后时间、自转着陆及飞行品质确定的试飞原理，试飞方法及驾驶技术等内容。
This paper describes the contents including the helicopter autorotation coming into lag time, autorotation landing, flight theory determined by flight quality, flight method and pilot technique.
深入探讨了单旋翼涵道风扇式无人直升机的动力学原理，结合其全量方程和线性化增量方程，推导出了其钟摆模态的数学表示。
Then the equation of helicopter pendulum is derived from the nonlinear differential equation and linear differential equation, with the principle of helicopter aerodynamics.
分析了连续波制导体系的地(舰)空导弹武器系统难以攻击低速目标(武装直升机)和空中静目标(气球靶)的弱点，并从原理上进行了分析。
This paper analyzes the weakness of ground (ship) to air missile systems with CW guidance system to attack low speed targets (such as helicopters) and static air targets (balloon targets).
介绍了一个微小型自主直升机试验平台的系统组成和工作原理。
This paper describes the architecture of a small-scale autonomous helicopter research platform.
本文给出了测试系统的原理、软件及硬件配置，测量过程由微机控制实现对直升机旋翼共锥废的快速、精确、自动测量，并分析了该系统的精度。
The whole measuring process is controlled by microcomputer. The quick accurate automatically measuring of helicopter rotor common taper is given. The system accuracy is analyzed.
本文给出了测试系统的原理、软件及硬件配置，测量过程由微机控制实现对直升机旋翼共锥废的快速、精确、自动测量，并分析了该系统的精度。
The whole measuring process is controlled by microcomputer. The quick accurate automatically measuring of helicopter rotor common taper is given. The system accuracy is analyzed.
应用推荐