flight state

Research on Flight State Calculation for Rocket Launched Marine Buoyant Apparatus

火箭发射水面浮具飞行状态计算研究

Application of U-D-based Single Step Iterative Filter to Flight State Estimation

U-D分解单步迭代滤波在飞行状态估计中的应用

A SVD-Based Extended Kalman Filter and Application to Flight State and Parameter Estimation of Aircraft

基于SVD的推广卡尔曼滤波及其在飞行状态和参数估计中的应用

The characteristic of the rotor wake in different flight state is discriminatory , sometimes very large .

不同飞行状态下，旋翼尾迹特性是有差别的，有时还很大。

A U-D Factorization-Based Adaptive Extended Kalman Filter and its Application to Flight State Estimation

一种U-D分解自适应推广卡尔曼滤波及应用

Finally , the three-dimensional display system has been designed for show the flight state of UAV in taking off and landing stage .

最后，为了在仿真系统中更好地显示无人机的起飞或着陆状态，设计了三维显示系统。

From the flight state equation , Kalman filter gain estimation was obtained by using output residuals and Kalman filter gain Markov parameter vectors .

首先给出了飞行状态方程，其次利用输出残差给出了Kalman滤波增益马尔可夫参量估计，并且得到了Kalman滤波增益估计，解决了自适应跟踪滤波器问题。

The calculation results and analysis of the engine inlet flow field and water droplet impingement performance with the given flight state and icing condition are evaluated .

然后计算了0米、1000米、4000米、8000米飞行状态下，某发动机进气道唇口处空气流场和相应水滴撞击特性，给出结果和分析。

The flight state variables are separated into fast and slow variables in terms of perturbation theory . Nonlinear dynamic inversion is adopted to design them separately .

根据奇异摄动理论将受控状态变量分为快变量和慢变量，然后根据非线性动态逆理论分别对内环和外环进行设计。

The method of nonlinear feedback linearization is applied to design and simulate the control laws for the aclinic flying climbing leveling flight state of an aircraft .

采用非线性反馈线性化设计方法对某型飞机进行了平飞爬升改平飞行状态控制律的设计和仿真。

The system can quickly recognize the flight state and maneuver action based on the expert system theory , assess the grade of flight subject automatically , redisplay the flight course realistically .

该系统的核心是基于专家系统理论快速识别飞机飞行状态和机动飞行动作，完成整个飞行课目的飞行成绩自动评定，逼真再现飞行过程。

Adaptive wing is one of development directions of future aircrafts . According to the flight state and flow conditions , it change shape self-acting to keep optimal pneumatic appearance , this make it improve the aircraft comprehensive performance significantly .

自适应机翼是指可以根据飞行状态和流场条件改变自身形状，保持最佳的气动外形，从而显著提高飞行器综合性能的未来飞行器。

Multithreading and Windows Sockets technology was integrated to enhance the reliability of the system and give an in-time performance . The flight state of the mini-UAV was represented real-timely under the VC programming environment using OpenGL technology .

采用多线程技术与windowsSockets技术结合以提高系统的可靠性与实时性，用OpenGL等技术在VC编程环境下实时复现了微型无人直升机的飞行状态。

The three dimensional attitude parameters of a rigid body target are critical motion parameters that represent flight state of the rigid body . To achieve these parameters is significant valuable for analyzing moving state of the target and identifying the aerodynamic parameters .

刚体目标的三维姿态参数是反映飞行状态的重要运动参数，获得这些参数对分析目标的运动状态，以及气动参数辨识等有着重要的价值。

The data can be playbacked by serial communication between the recorder and the PC. By analyzing the recorded data . we can know the real flight state of the towed target and improve the quality of the towed target .

记录仪通过与PC机的串口通信，实现数据的回放，通过对记录数据的分析.可以了解拖靶飞行的实际状态，从而提高供靶质量。

Plasma jet quality affects directly on the melting and flight state of powders during plasma rapid sprayed forming , which also would affect the quality of sprayed forming , therefore diagnosis against plasma jet quality is one of the important tasks in the world .

等离子熔射成形过程中射流品质直接影响着粉末的熔融状态和飞行特性，从而影响了成形质量，因此射流品质诊断已成为该领域的重要研究课题之一。

The inverse simulation allows a helicopter simulation model to be driven by a pre-defined maneuver , and the control input histories , flight state variables histories to be found , so the critical issue is to establish a mathematical model for maneuver flight .

逆仿真可以驱动直升机仿真模型完成预定的机动科目，给出完成该机动的操纵输入规律和飞行状态变量的时间历程，因此建立机动科目数学模型是逆仿真的前提。

Releases for flight the state of mind , tonight , lets me calmly think you .

放飞心绪，今夜，让我静静地想你。

The conception of the flight quasi-steady state motion and the design method based on it are proposed in the characteristic of the large amplitude maneuvering of the fighter .

摘要根据战斗机大幅值机动运动特点，提出了准稳态运动概念及其设计方法。

The feasibility of the method proposed is verified by the aerodynamic data of a certain type of native airplane with V-shape vertical tail in flight balance state .

结合国内某型号飞机含有V型垂尾在配平时的数据验证算法正确性。

On the Frame Matrix Research on the Synchronization for Hydraulic Motors Used in Three-axis Flight Motion Simulator State Painting

液压仿真转台中框状态同步控制的研究

Recently , scientists successfully led a group of birds on a one-month flight from the American state of Wisconsin to the state of Florida .

最近，科学家成功地引领了美国威斯康新州的一批候鸟经过一个月的飞行来到了佛罗里达州。

Secondly , the numerical simulation of flow for nozzle designed is conducted on design point and along flight trajectory , Parameters of performance under different flight state is computed to investigate the change of nozzle performance .

其次，基于CFD技术数值模拟了设计状态和沿飞行轨迹非设计状态下单膨胀斜面喷管内外流场，计算了喷管在各种飞行状态下的性能参数，并对喷管的综合性能变化规律进行了分析。

Pilots use a simple flight joystick instead of the control mechanism in the cabin to control the three attitudes of the aircraft to change the aircraft 's flight state .

用简易飞行摇杆替代座舱内的操纵机构，控制飞机的三个姿态角，从而改变飞机的飞行状态。

To the flight dynamic problems of a coupled rigid-liquid rotating liquid-filled system , based on the government equations obtained from the variational principles in mechanics , the complete flight motion state equations are introduced and it 's simulating models is established .

本文考虑一类刚液耦合的旋转充液系统的飞行动力学问题，在依据力学变分原理给出基本方程，导出全飞行过程运动状态方程的基础上，建立了相应的仿真模型。

The flight director system for modern aircraft has assumed an important role in the guidance of aircraft 's taking off , landing , preselecting altitude and heading , maintaining a flight state and course flight , and so on .

在现代飞机中，飞行指引系统对飞机的起飞、着陆、预选飞行高度和航向、保持飞行状态和航线飞行等方面起着十分重要的作用。