4缸机为16气门DOHC（双凸轮抽）设计，配备丰田VVT-i（智能正时可变气门控制系统），最大功率179hp/6000rpm(131kw/6000rpm),最大扭矩172lb-ft/4000rpm(233Nm/4000rpm).
The 4-cylinder is a 16-valve DOHC design with Toyota’s VVT-i variable cam timing system, and is rated at 179 horsepower at 6000 rpm and 172 lb-ft of torque at 4000 rpm.
该控制系统利用最高燃烧压力点的曲轴转角作为反馈信号，实现其对发动机点火正时的控制。
In this system the crankshaft rotating Angle, where the peak combustion pressure occurs, is taken to be a feed back signal, so that the ignition timing of the engine is able to be controlled.
介绍了一种用于汽油机点火正时闭环控制的火焰信号角测量系统，并在BJ 492 Q型汽油机上作了实例试验分析。
A flaming Angle measuring system for closed-loop ignition timing control of petrol engines is outlined in this paper, and an experimental example on a BJ492Q petrol engine is provided.
顶置凸轮，链条传动，正时配气系统传动平稳，噪音小。
Upward camshaft; chain transmission; timing distribution system is stable and has little noise.
分析了配气正时对可变进气系统充气效率的影响。
Influence of valve timing on air intake efficiency of the variable air intake system is analyzed.
介绍一种用于动态调整柴油机喷油量和喷油正时的控制系统。
A control system for dynamically regulating the amount of injection and injection timing in diesel engines is presented in this paper.
在柴油机方案设计时，对涡轮增压系统进行了一维流动计算，优化了气门正时，并预选了增压器方案。采用已知的同类机型的放热率进行了缸内过程的计算。
During design of the layout on diesel engine, we performed one-dimensional flow calculation for turbocharger systems, optimized the valve timing and pre-selected the turbocharger.
台架性能试验验证表明，采用这种伺服控制方式，电动助力转向系统快速回正时的平稳性有所提高。
The bench tests proved that the return ability of the EPS system under rapid steering had been greatly improved by this servo control technique.
先进的智能正时可变气门控制系统使GS系列的发动机拥有更澎湃的动力。
The advanced VVT-i gives the GS series engines much more dynamic power.
顶置凸轮，链条传动，正时配气系统传动平稳，噪音小。
Upward camshaft; chain transmission; timing gas distribution system is stable and has little noise.
早期的控制系统主要是以气缸充气量、燃油质量和点火正时为控制参数。
Earlier engine control systems mainly based on mass air flow, fuel quality and Spark Timing.
结果表明，正时方案正确，系统运行正常。
The results showed that the program was correct, and the system operated normally.
扫描偏差是临边测量相对于星下点测量的系统偏差，统计显示该种偏差具有一定的纬度依赖性，所以订正时按每10度的纬度带分别进行订正。
Scan bias is a relative bias between limb and nadir measurements and corrected for each latitude band of 10 degrees due to its statistically latitudinal dependency.
摘要 ：使用距离多普勒模型进行SAR影象几何校正时，卫星轨道误差、系统成像参数误差和DEM高程的误差会影响几何校正精度。
Abstract : When using the Range-Doppler model for SAR image geometric correction, the error of satellite orbit, imaging parameter and DEM elevation will affect the geometric correction accuracy.
该方法在满足使用要求的前提下有效缩短了校正时间，提高了成像的成功率，提升了系统的适用范围。
It concludes that the calibration time is reduced effectively, the success rate of imaging is improved, and the the scope of application is expanded by proposed method.
该方法在满足使用要求的前提下有效缩短了校正时间，提高了成像的成功率，提升了系统的适用范围。
It concludes that the calibration time is reduced effectively, the success rate of imaging is improved, and the the scope of application is expanded by proposed method.
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