vtec

A Contact Roller Used in Honda VTEC System to Reduce Friction Losses

本田VTEC采用滚轮降低摩擦损失

The method of estimating instrumental bias and its effect on VTEC

GPS仪器偏差的求解方法及其对电子总量的影响

Study on VTEC Anomaly of Ionosphere in South China before and after Wenchuan Earthquake

华南地区电离层在汶川地震前VTEC异常的研究

Engine crank tachometer provide VTEC control function .

发动机曲轴转数表提供VTEC控制功能。

Trouble Diagnosis and Maintenance of Honda VTEC Systems

广州本田雅阁轿车VTEC系统故障诊断与检修

The VTEC system provides the engine with multiple camshaft profiles optimized for both low and high RPM operations .

VTEC系统提供给引擎多个凸轮轴曲线来处理低速和高速的运转状态。

Anomalous response of ionospheric VTEC before the Wenchuan earthquake

汶川地震前电离层VTEC的异常响应

Utilizing the VTEC data obtained by ground-based GPS and adopting statistical analysis method , we examined the VTEC before three strong earthquakes in Asia .

利用地基GPS测量获得垂直电子总含量（VTEC）数据，采用统计分析方法，对亚洲3次大地震震前VTEC进行了检查。

While Mazda 's engines do maintain a flat torque curve over a wide range , they do not have the capacity to match a VTEC engine 's flexibility .

尽管马自达的发动机在一个很宽的转速区间内形成一个扭矩曲线平台，但是他们没有能力和VTEC发动机的灵活性相比。

The influence of Tgd factor is illuminated through the theory of establishing the VTEC model above pierce point by dual-frequency observation , its magnitude using practical datas is analyzed .

针对一类具体的应用，利用测量数据间的时域相关性分析了信息精确度与观测频率以及能耗与观测频率的关系，构建了信息精确度与能耗的关系模型。

The " abnormal " increasing of the VTEC of some stations in the latitude between 20 and 35 before a day of the flare burst has been founded .

发现了在耀斑爆发前，纬度在20°～35°之间的某些测站电子总量的异常增加现象。

The advantages of the new method of calculating the VTEC including : ( 1 ) Because the instrumental bias is considered , the VTEC 's change going with time is closer to their real change .

新的求解VTEC的方法具有以下优点：考虑了GPS卫星和接收机的仪器偏差的影响，计算的电子总量随时间的变化更接近电离层的实际情况；

With deep research on the characteristic of VTEC diurnal variation and data method , we have formed long-time series of characteristic parameters diurnal variation of VTEC above Yang-zi delta , and then summarized the law of it .

通过对我国长三角上空电离层VTEC周日变化特征及其处理方法进行了深入的研究，建立了长三角地区电离层周日变化特征参数的时间系列，总结了它们的变化规律。

This paper introduces the general situation of ionosphere , the propagation of GPS signals in ionosphere , the ionospheric correct models , and the principles , the methods , the results of establishing the ionospheric delay models ( or VTEC models ) with GPS dual frequency measurements .

介绍了电离层的概况，GPS信号在电离层中的传播，电离层改正模型以及利用GPS双频观测值来建立电离层延迟或VTEC模型的原理、方法和结果。