和已有的离散方案比较，采用文中提出的离散方案可使理想匹配层吸收边界的反射误差成数量级地减小。
Compared with the discretization scheme proposed earlier, the new one makes the reflection errors of PML absorbing boundary condition decrease by orders of magnitude when a larger time step is used.
计算结果证明，当采用非均匀圆柱坐标系下FDTD法计算时，圆柱坐标系下网格波阻抗可以较准确地计算由于网格尺寸不同造成的数值反射误差。
The results showed that MWI in cylindrical coordinates can be used to accurately calculate the numerical reflection error caused by different mesh increments in non uniform FDTD.
这种误差来源和不确定性包括燃除效率差异、燃除的判断错误、不连续的采样、以及像雪花反射那样的环境影响。
These sources of error and uncertainty include variations in flare efficiency, mis-identification of flares, non-continuous sampling, and environmental effects like snow reflection.
圣地亚哥小组很快就以10米内的误差精确定点了反射器的位置。
The San Diego team was quickly able to pinpoint the reflector's location to within 10 meters.
原理上定心误差在光传播和光反射里是可测的。
In principle centring errors are measurable in transmitted light and in reflection.
在分析制造误差的过程中，建立了反射体的均匀加厚模型和水平放置模型。
The equal thickness model and the level placement model of reflector are established in the analysis errors in manufacturing.
一个有锋利边缘的指示器和带反射弧光灯能够使读数非常清楚，能够避免视觉误差。
Sharp edge of a reflex arc lamp indicator and band can make reading very clear, to avoid the visual errors.
最大熵反褶积是在地震子波为最小相位条件下进行的，其向前预测误差就等于反射系数序列。
The maximum entropy deconvolution is performed under the premise that seismic wavelet is of minimum phase, so the forward prediction error is equivalent to reflection coefficient series.
然而，在苛刻光照条件下，这种近似的误差往往比较大，以至于很难恢复出反射率信息。
However, the approximation error can be large under harsh lighting conditions, thus making it difficult to recover albedo information.
实验结果表明，在误差允许范围内，该系统自动将反射系数稳定在0点的周围，实现了RFID读写器功率的最佳传输。
The experimental results show that, within the error allowed, this system maintains reflection coefficient at around 0 automatically and achieves the best transmission for RFID power.
主要包括系统设计、关键部分(吸收靶、反射靶)的设计制作、实际测量以及整体的误差分析。
It includes system design, manufacture of key parts (absorbing target and reflecting target), actual measurement and error analysis of the whole system.
结果表明采用曲线拟合法能使测距绝对误差在3个采样点以内，与传统的反射波起始点确定方法相比有较大优势。
The absolute error is no more than 3 sampling points, so it has more advantages compared with the traditional methods to judge the start point of reflect wave.
详细讨论了野外地物双向反射因子的测定问题及测定误差。
BRF measurement in the field and error analyses are discussed in detail.
这种方法对反射系数的估计量具有最小误差方差的性质。
The estimator got from this algorithm has the smallest variance of error among all linear estimators of reflection coefficients.
另外，本文利用该方法完成了对多端口反射计的误差分析，得到定量分析结果。
The quantitative error analysis using this method for a multi-port reflectometer is given also.
论述了在激光跟踪测量系统中由跟踪转镜机构和猫眼逆反射器产生的光学误差，并分析了它们对测量结果产生的影响。
The error caused by rotary tracking mirror device and cat eye reflector in the laser tracking measure system are discussed, and its effect to the measuring result is analyzed.
在距离标定中，本文提出的二维插值法减小了全景反射镜面因加工精度不高而带来的距离标定误差。
Two-dimensional interpolation method is discussed to reduce the error of distance calibration which is caused by the omni-directional machining accuracy.
研究x射线反射式波带片衍射图形制造过程中的深度误差效应。
Error effect in depth of diffraction pattern of X ray reflection zone plate has been studied.
根据棱镜调整理论，分析了由于平面反射元件的安装误差所导致的光束转向、光轴偏离系统光轴的情况，并推导出相应的精确表达式。
In this paper, according to the law of prism turning, due to the errors in planar reflector assembling, light axis departure from systemic axis and light turning are analyzed.
在折转光路中，由于安装误差，平面反射元件会存在三维方向的微偏角。
In reflective light path, because of the errors in assembling, planar reflector would have three tiny dimensional angles stray.
利用误差网络参数，对被测网络的输入反射系数进行误差的自动校正，提高了测量线测试系统的测量精度。
With the error network parameters, the real network's input reflecting coefficient is revised and the measurement precision of measuring line system is improved.
试验结果表明中值边界条件的误差比逆反射边界条件误差小。
The results demonstrate that the error with medium boundary conditions is smaller than that with antireflective boundary conditions.
对测试装置存在的系统误差进行了分析，并指出了光学镜片的镜面反射是产生误差的主要原因。
It is pointed out that the mirror reflection of optical glass is the key item for error through analyzing the systematic error of the self-made testing apparatus.
同时，还讨论了影响光时域反射仪(OTDR)测试精度的要素和消除测试误差通常采用的对策。
At the same time, it discusses the elements influencing the test accuracy of optical time domain reflectometer (OTDR) and measures for eliminating test error.
此外，在以前分析计算吸波材料的反射率与入射角的关系时，常采用性线插值法，这会引入较大的设计误差。
Besides, in analysis of reflectivity versus incident Angle of absorbing materials, it used to use linear interpolating method and resulted in considerable error.
数值结果表明，与其他广泛使用的边界条件相比，这种方法可以显著减小由反射造成的误差。
Numerical results are presented to show that this new technique gives significant reduction in the error.
声频设备附近的墙壁会反射声波，空气中的声波叠加，产生频率响应误差(亦称梳状滤波器)。
Nearby room boundaries can create frequency response errors (called comb filtering) due to wave reflections combining in the air.
仿真数据显示测量误差在0.15%以内，证明了该焦距测量系统对大口径长焦距反射镜焦距有很高的测量精度。
At last, emulated data shows that the measurement error is below 0.15%, the data obtained by emulation shows the high precision of this measurement instrumentation.
相对该方法的随机误差10（-5），无论线偏振器位于反射光路或入射光路中，由它产生的折射率测量误差均可忽略不计。
Compared to the measurement random error (rms ) of the order of 10(-5), the total systematic error caused by the errors mentioned above can be neglect.
多孔硅的性能不稳定，且反射谱带宽很大，所以利用多孔硅的反射谱漂移探测有机气体，会给实验带来很大的误差。
Due to instability and large line-width, detecting organic gases with reflectance shift of porous silicon directly brings serious error to experiments.
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