constant pitch

The introduction and the analysis of DCA theory indicate that DCA is very useful for compensation with both constant pitch and roll angles, and the DCA modified error of magnetic heading is restricted within ± 0.3 ° which can satisfy the heading calibration requirement of the plane.

通过DCA的原理分析和证明得出：该算法对具有恒定横滚角度和俯仰角度的磁航向罗差修正均有效，经过DCA补偿的磁航向角度误差在±0.3°以内，满足飞机的航向标定要求。

MW variable speed constant frequency wind turbine from shenyang university of technology is a variable pitch wind turbine, it can change pitch to adjust power above rated wind speed.

由沈阳工业大学研制的MW级变速恒频风电机组属于变桨距型机组，它在额定风速以上进行变桨距调功控制。

Wind turbine develops from initial constant speed fixed pitch to variable speed variable pitch.

风力发电机组从最初的定速定桨风力机发展为变速变桨风力机。

Aerodynamic characteristics of a simplified aircraft model pitching with constant pitch rate were studied in a water tunnel.

利用水洞中动态测力流动显示一体化实验系统，研究飞行器简易模型等速俯仰过程动态气动特性。

Then the speech signal is pitch adjusted according to this pitch contour, where the original signal with time varying pitch period is converted to a signal of constant pitch period.

然后根据这一轨迹对语音信号进行基音调整，将原始的、具有时变基音周期的信号转化为一个具有恒定基音周期的信号。

Kelp cutter The curve of constant pitch cutting of conical milling cutter with an angular circle

海带丝切割机带角圆的锥面铣刀上等螺距刃口曲线

Helical spring math models in the literature have constant pitch angle , which are not accurate enough.

螺旋弹簧的动力学模型一般都假设没螺旋角是常量.

Cutting tool selection in the NC machining of propeller blade with a constant pitch

等螺距螺旋桨数控加工中的刀具选择

Physical confrontation Very intense, a lot of fouls, also a state of constant pitch.

身体对抗很激烈, 有很多犯规, 场上也是状态不断.

If the vertical velocity and the rolling angle were fixed to constant, the pitch angle, the heeling angle and their interactive effect were significant.

根据实际着水问题固定竖直速度和滚动角的情况下，试验设计分析的结果为俯仰角、侧倾角以及二者的交互效应都比较显著。

Concluded that vertical vibration test results in the section added in a constant, while the pitch and yaw vibration greater impact on the test results, laser beam in the number of less or more or obvious when the vibration the test results are not credible.

得出结论：垂直振动在断面检测结果中加进去一个常数项，而俯仰和横摆振动对检测结果影响较大，在激光束个数较少或振动较明显时检测结果是不可信的。