建立了基于参数方法的高超声速巡航飞行器MDO模型。
A hypersonic cruise vehicle MDO model based on parametric method is established.
通过响应面近似模型的优化，完成了高超声速巡航飞行器的多学科设计优化。
The response surface approximation models are used to replace the original complex vehicle performance model, the optimization is conducted using a sequential quadratic programming algorithm.
分别模拟目标作巡航飞行、平飞加速、跨越障碍机动、水平蛇行机动飞行时的动作。
The target actions of cruise flying, level accelerating, resolving obstacle move, level hunting move flying were simulated.
现在，我们已经开始我们本次航班的最后一段航程，飞机正在11000米的高空进行巡航飞行。
We have now started the last leg of our journey and are cruising at an altitude of 11,000 meters.
因此，在设计此类高超声速巡航飞行器时，应采用模块化的推进系统并折衷选择前体长度和前缘角的大小。
Hence, modularized propulsion system and the trade-off among these variables must be taken into account in the configuration design of the hypersonic cruise vehicle.
例如，美国的无人机仍然从深处巴基斯坦俾路支省的沙漠中起飞，进行打击巴基斯坦部落地区可疑武装人员的巡航飞行。
For instance, American "drone" aircraft still fly secretly from an airstrip deep in the desert of Baluchistan province, targeting suspected militants in the country's tribal areas.
它是生成三维立体地貌，计算地面距离、坡度、土方、面表积等的基础数据模型，也是巡航飞行器地形相关匹配的基础数据。
It is the basic model for various GIS operations, and the key data for terrain correlation matching of cruise missiles as well.
飞行中巡航部分的氮氧化物的排放量下降了四分之一左右。
Nitrogen-oxide emissions during the cruising portions of the flight fell by around a quarter.
该Harop是车辆发射的无人机，由远程操作员控制，拥有51磅重的弹头和巡航几个小时的能力，能够飞行1000多公里。
The Harop is a vehicle-launched UAV controlled by a remote operator with a 51-pound warhead and capable of flying more than 1,000 kilometers and loitering for hours.
更低速的巡航——大约0.7马赫，即音速的十分之七，比今天的飞行器低5 - 10%——并且飞行于更高海拔以节约燃油。
Slower cruising — at about Mach 0.7, or seven-tenths the speed of sound, which is 5 percent to 10 percent slower than today's aircraft — and at higher altitudes, to save fuel.
飞机以接近海平面的机场高度开始飞行、爬升、巡航、下降和接近海平面的机场着陆。
The airplane starts its flight at an airport altitude near sea level, ascends, cruises, and descends to a landing airport near sea level.
据报道这种无人机可以在18000米的高空不分昼夜的连续飞行32小时，且可以透过云层监视地面像鞋盒那么大小的目标。它飞行的这一高度几乎是民航客机巡航高度的两倍。
It can gather data on objects reportedly as small as a shoebox, through clouds, day or night, for 32 hours from 18,000 metres—almost twice the cruising altitude of passenger jets.
一个简短的起飞和着陆(短距起降)飞机必须能够控制飞行速度低，但它也必须接受上述报价越野(巡航)的性能。
A short take-off and landing (STOL) aircraft must be able to fly at low controlled speeds, yet it must also offer acceptable cross-country (cruise) performance.
两个团队都提出了能在超过1.6马赫的巡航速度和最高5000英里航程的条件下搭载100名以上乘客的飞行器概念。
Both teams produced concepts for aircraft that can carry more than 100 passengers at cruise speeds of more than 1.6 Mach and a range of up to 5,000 miles.
两个团队都提出了能在超过1.6马赫的巡航速度和最高5000英里航程的条件下搭载100名以上乘客的飞行器概念。
Both teams produced concepts for aircraft that can carry more than 100 passengers at cruise speeds of more than 1.6 Mach and a range of up to 5, 000 miles.
飞机纵向飞行剖面被假定分为三个飞行段：爬升、巡航和下降；
The vertical flight profile was assumed to have three flight segments climb, cruise and descent.
巡航，飞机的高度和速度基本上没有什么变化的飞行阶段。
CRUISE, Phase of flight where altitude and speed are basically constant.
通过建立杂波模型、电子干扰模型以及大气衰减模型，分析了巡航弹飞行环境对雷达探测性能的影响。
By sea clutter and ground clutter modeling, electron jammer modeling atmosphere attenuation modeling, the cruise missile flight con.
航弹主要是在稠密的大气层中飞行，巡航马赫数一般在0.9附近。
The aviation bomb is flying in the high density atmosphere layer. Its fight Mach number is generally 0.9.
载有280名乘客和15名机组人员的MH17客机，正沿着航线经过德国、波兰和乌克兰，到达巡航高度33，000英尺的高空，直线平行飞行，但是在下午1时21分，雷达已经与航班失联。
With a complement of 280 passengers and 15 crew, MH17 made its way over Germany, Poland and Ukraine, reaching its cruising altitude of 33,000 feet and flying straight and level, but at 1:21 p.
根据高超音速飞行器的特点，设计了高超音速飞行器的任务剖面，包括初始段、巡航段和末端攻击段。
According to the characteristic of the hypersonic aircraft, the task of designing the hypersonic aircraft include initial phase, cruise phase and end attack phase.
吸气式高超声速飞行器是下一代单级入轨和高超声速巡航研究的重点飞行器。
Air-breathing hypersonic vehicle(AHV) has been the next generation single stage to orbit vehicle and hypersonic cruise vehicle.
巡航高度，在航线上水平飞行期间，飞机所保持的高度或飞行高度层。
CRUISE altitude, An altitude or flight level maintained during enroute level flight.
巡航高度，在航线上水平飞行期间，飞机所保持的高度或飞行高度层。
CRUISE altitude, An altitude or flight level maintained during enroute level flight.
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