载机

外挂对载机气动特性的影响研究

Study on Influence of External Stores on Aerodynamic Characteristics of the Fighter Plane

提出采用H二滤波实现姿态匹配传递对准，解决了在载机机翼弹性变形建模不准或不易建模的情况下，姿态匹配传递对准的实现问题。

The H ∞ filtering of the attitude matching transfer alignment is presented .

地空导弹攻击ARM载机最佳区域仿真研究

Simulation Study of the Best Region of Ground-to-air Missile Firing the ARM Attacker

基于SVM的航空兵空运转场载机架次预测研究

Research of Aerial Soldier Air Transportation Field Loader Forecast Based on SVM

借助商业软件进行了模型载机和导弹的CAD三维实体建模，建立了载机和外挂导弹的真实数据三维实体模型；

The 3-D solid entities of the external store , a missile , and the aircraft are modeled with a commercial CAD software .

文中首先建立了ARM攻击过程的实体流程图模型，分析了单个火力单元中防空雷达的生存能力及射击ARM载机的时机。

In this paper , a model for Anti-Radiation Missile ( ARM ) attacking process is built with the entity flow chart .

通过地空导弹攻击ARM载机仿真模型的构建，得出两种不同ARM平均飞行速度下垂直最佳区域和水平最佳区域剖面图。

The sectional views of the vertical and horizontal best-firing regions under two different speeds of ARM assaulting are obtained through the simulation model .

基于阵列技术的前视SAR能对载机前方区域高分辨成像，但阵列天线的微动会对成像产生影响。

Airborne forward-looking SAR based on array technology can supply high-resolution images of the area with respect to forward direction of the flight path .

由于融合方法充分结合了载机的运动模型以及UWBSAR的特性，因此能较好地提高运动补偿性能。

It takes accounts of the characteristic of the airborne motions and UWB SAR , and thus improves the performance of motion compensation .

仿真表明该方法可以有效地将雷达回波中的强载机信号消除而保留微弱的ARM信号。

By computer simulations it is shown that using this method can eliminate effectively the unwanted strong aircraft signal and keep the desired weak ARM signal in the radar echoes .

机载SAR实时成像处理器可以在载机飞行的同时获得高分辨率的SAR图像，对于实时监测、军事侦察等应用具有重要意义。

Real-time Imager can provide Synthetic Aperture Radar ( SAR ) image in real-time mode which is significant for airborne SAR applications such as real-time monitoring and battle reconnaissance .

由于收发分置和载机飞行的不确定性，使得机载双基地SAR同步问题的研究变得更加复杂。

The separate platforms and indeterminate aviation of the platforms , which result in more complex of the Airborne Bistatic Synthetic Aperture Radar ( Bistatic SAR ) system synchronization .

该方法不仅可以在雷达已跟踪上ARM载机后采用，而且可以适用于雷达搜索扫描时。

In this way , the ARM can be detected effectively . This method could be used not only while the ARM carrier has been tracked , but also while the radar is scanning ARM .

大斜视合成孔径雷达（SAR）成像要求较长的合成孔径，这样载机的不平稳性对其影响较大，如何对大斜视SAR进行运动补偿是实现大斜视成像的关键。

Long synthetic aperture is required in high squint SAR imaging , which is severely influenced by the nonstationarity of airplanes . Therefore , motion compensation is crucial in high squint SAR data processing .

随着防空导弹制导技术的发展，载机的生存受到严重的挑战。为保护载机，拖曳式雷达诱饵（TowedRadarActiveDecoy，TRAD）应运而生。

With the development of anti-aircraft missile , survival of aircrafts has been seriously challenged , TRAD ( Towed Radar Active Decoy ) came up to guard the aircrafts .

本文介绍了在移载机系统中用PLC和伺服电机作为控制系统，可以实现高速运转的精确定位，并用触摸屏进行实时监控。

The application of PLC and servo motor as the controlling system into transfer - machine is introduced for exact positioning in its high-speed operation , and the supervision by the network can be realized on touchpanel .

机载SAR（airborneSyntheticApertureRadar，合成孔径雷达）中，用三轴稳定平台隔离载机的姿态变化及机械振动来稳定天线波束指向是关键的运动补偿技术之一。

Three-axis stabilized platform , as a key motion compensation technology for airborne Synthetic Aperture Radar ( SAR ), is used to isolate attitude variations and mechanical vibration from aircraft , resulting in stable antenna pointing .

文章研究价值主要体现在二个方面，其一是机载斜视SAR波束转向非常灵活，它可以提高载机飞行平台的安全性与隐蔽性。

The research reason mainly performance two aspects . On the one hand , the squint SAR beam steering is very flexible , it can improve the safety and hidden of carrier aircraft flying platform .

文章就我国工程机械优势产业&载机行业的现状及存在问题，分析了加入WTO后的利弊关系以及应采取的相应策略；

In view of the situation and problems of loader industry , the superior industry in Chinese construction machinery , the advantages , disadvantages and counter measures that should be taken after Chinese entering WTO are analyzed in the article .

采用该子系统的SAR已完成多载机平台试验及多用途飞行应用，获得了0.5m×0.5m分辨率和良好的动目标检测性能。

Multi-airborne experiments and all-purpose flying application had been accomplished for SAR incorporating this receiver subsystem . 0.5m × 0.5m resolution and good GMTI are obtained .

SAR在近几年来飞速的发展，加剧了SAR海量的数据和数据传输、数据运算实时成像之间的矛盾，同时人们也越来越希望能够在载机飞行的同时实时地看到得到的图像。

Because SAR 's high-speed development in recent year , the conflict between the large amount of data , data transfers and the real-time imaging of the data processors strengthened . Meanwhile , people wish more to see the real-time image while flying .

它的载机是B-29型轰炸机，执行投弹任务的是埃诺拉。

It contains aircraft B-29 bomber is the implementation of bomb mission is Einola .

基于1553B总线的载机火控模拟系统，由火控模拟计算机、模拟发控台和电源组成。

A fire control simulation system for flight simulator based on MIL-D-1553B bus consists of a fire control simulation computer , a fire control simulation console and power supply .

机载SAR回波数据是机载SAR信号处理的基础，但靠挂飞实验得到的数据价格昂贵且不灵活，也无法分析载机平台运动变化或雷达参数变化对整个SAR系统的影响。

Airborne SAR raw signal is the foundation of airborne SAR signal processing , but the data got by flight experimentation is expensive and unflexible , meanwhile , the effect of flight movement and radar parameters related with SAR system can not be analyzed .

SAR要求天线相位中心的运动状态为匀速直线运动，但对机载SAR而言，载机所受的大气扰动会使APC偏离理想运动状态，从而产生运动误差，造成图象质量下降，分辨率降低。

SAR system requires that the velocity of Antenna Phase Center ( APC ) must be constant , but to airborne SAR , due to the atmosphere turbulence , APC will deviate from ideal motion track , which will worsen image quality and resolution .

本文在具体分析PD雷达工作体制的基础上，详细研究了载机处于任意飞行姿态下，利用三维数字地形高程图和对应地物散射特征分类，模拟产生多频段多极化雷达距离多普勒杂波图的方法。

Based on the analysis of the PD radar system , this paper studies in detail the modeling method of distance doppler clutter graph of the radar by using an elevation graph of 3D digital terrain and the corresponding classification of terrain with arbitrary postures of the aeroplane .

该系统以PXI虚拟仪器为核心，使用二维电控转台模拟载机角运动，采用激光小角度测量方法测量平台响应误差。

The core of this system is a PXI ⅵ( Virtual Instrument ) . The system uses an electro-controlling motion simulator to simulate the angle-motion of airplane and laser-test device to test the track error of the platform .

仿真还表明，在工程常见的测向误差为3°的情况下，对于偏离载机航线接近100km处的目标，仅仅采用本文所述的方法，可能达到的定位精度大约是10km。

The simulation also indicates , under normal condition of 3 degree DF error , the resulted locating accuracy with this method only for targets almost 100 kilometers away from the trail of the platform aircraft is about 10 kilometers .

分析了反射位移法（RDM）估计载机运动速度的原理，进而提出了改进RDM（IRDM）算法，以克服RDM在UWBSAR应用中存在的问题。

A simplified integration system is proposed in the dissertation . We also analyze principle of Reflective Displacement Method ( RDM ) to estimate velocity of the aircraft . Then the Improved RDM ( IRDM ) which can be applied in UWB SAR is proposed .

该方法首先利用小波包变换滤除载机信号，然后对滤波后信号进行时频重排，最后对重排后信号用Wigner-Hough变换检测导弹信号。

The wavelet packet transform was employed to filter out the aircraft signal , and then the filtered signal was re-assigned in time-frequency , and lastly the ARM detection was fulfilled in the re-assigned signal by using Wigner-Hough transform .