steady flight 中文意思是什麼
steady flight
解釋
定常飛行-
Freight was now going aboard flight two in a steady stream.
貨物已開始源源不斷地送上第二號班機。 -
Typical variable windfield models, such as large scale steady wind flow, downburst, turbulence, airflow over mountain, are developed and their physical specialities are discussed. furthermore, simplex modules are integrated to form complex model. facticity and application technique to flight simulation are discussed
討論了以下幾種典型風場模型（大尺度均值風模型、 dryden紊流模型、微下擊暴流模型和過山氣流模型）的物理特徵與建模方法，並對單一模型進行復合，建立變化風場模型庫，最後討論了各種模型的真實性與如何應用於飛行模擬； 3 -
The northwest flight was steady on course, descending.
那架西北航空公司的飛機穩穩地在自己的航道上飛行，正在下降。 -
The nonlinear motion of the flight quasi - steady state is as a basic motion to be analyzed and simplified to formula the ideal state, output and control variables, and to produce its linear model
以準穩態運動為基準，對其運動非線性分析，並適當簡化，生成準穩態運動的期望狀態、輸出、控制和小擾動線性化模型。 -
In chapter 3, the non - linear equation was linearized with the jacobi matrix, and then the linearized equation was transformed into fixed frame to analyze the stability problem with eigenvalue method ( on - ground or hovering ) or floquet theory ( forward flight ). meanwhile, the equation was perturbed by sweep frequency excitation from steady state to get transit decay of lag response which was then transformed into fixed frame with a numerical fourier coordination transformation ( fct ). the fixed frame response along with the body response was analyzed via an fft to determine modal frequencies
然後，在穩態響應的基礎上利用雅各比矩陣對非線性方程進行了線化，線化后的方程利用多槳葉坐標變換轉換到固定系下后，利用直接特徵值分析（地面、懸停）或floquet理論（前飛）對系統進行了穩定性分析;同時，對系統進行了瞬態響應分析;在系統達到穩態的基礎上進行掃頻激勵，用fft變換求得系統頻率，進而用移動矩形窗方法分析得到系統的阻尼。 -
This model is formulated as a non - linear state - space representation of helicopter flight dynamics, incorporating with blade element unsteady aerodynamics, a finite state dynamic inflow wake model, and flapping / lead - lag blade dynamic model. the formulation of the coupled rotor and fuselage equations enables the use of common solution techniques for trim and linearization in arbitrary steady flight condition as well as control response calculations
本項研究針對新機研製過程必須解決的品質評定、飛控系統設計等問題，按照ads - 33軍用品質規范的要求，建立了一個較完整的直升機非線性的、具有狀態空間表達形式的飛行動力學模型，進行了模型驗證工作，並以某樣例直升機為例，計算了ads - 33品質規范（ 3 -
The flight control laws for the large amplitude maneuvering of the fighter are designed respectively for four kind of flight quasi - steady state motions
分別以四種準穩態運動為基準，設計了大幅值機動運動控制律。 -
Now imagine yourself at the base of a flight of steps you do know, and estimate a ) how many steps there are, and b ) how long it takes you to climb them ( at that steady pace )
現在，想象下你正站在你所知的樓梯最下端，估計1 .有多少臺階， 2 .要花多久（步速穩定的基礎下） 。 -
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
摘要根據戰斗機大幅值機動運動特點，提出了準穩態運動概念及其設計方法。 -
An aircraft in steady flight over the earth is just as suitable an inertial frame of reference as the earth itself.
在地球上空穩定飛行的飛機，正如地球本身那樣，也可作為慣性參照系。 -
With scientific and strict management, steady and reliable quality, its products always are in the highest flight in domestic and many of them have reached or exceeded the advanced international level
科學嚴謹的管理，穩定可靠的質量，使產品始終居國內領先地位且大部分產品達到或超過國際先進水平，發展前景非常廣闊。
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