Based on the prime radix DFT and number theory, an algorithm using the second order recursive filter and the zero factor prime radix Fourier Transform (ZFT) is presented.
从素基数DFT出发，应用数论理论讨论了一种应用二阶递归滤波结构的算法及零因子转换算法(ZFT)。
Zero current transition (ZCT) topology of the single switch three phase boost power factor correction (PFC) rectifier is proposed.
提出了一种零电流开关结构的单开关管的三相升压功率因数校正整流器。
Interest rates on savings accounts, and especially checking accounts, had been at or close to zero, or really negative when you factor in ATM fees.
之前，储蓄账户、尤其是支票帐户的利息接近于甚至等于零，如果算上自助柜员机的费用，实际上是负的。
The effect of different zero crossing wavelengths on determination of mixed colorants in food under the same divisor factor in derivative ratio spectrum were discussed.
探讨比值导数波谱法中相同除数因子下的不同零交点波长对食品混合色素检测的影响。
Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation.
仿真和实验结果表明：所提出的变换器输入电流和输出电压为正弦，谐波小且输入功率因数可控，并可实现零电压换流。
A flyback converter with zero current switching (ZCS) resonant and power factor correct (PFC) is proposed.
提出一种具有零电流关断(ZCS)的反激式单级功率因数校正(PFC)变换器。
The phase comparison error is the primary factor leading to mistaken action in the selective leakage protective system of underground LV networks based on zero sequence current direction.
在基于零序电流方向原理的矿井低压电网选择性漏电保护中，比相误差是导致保护误动的主要因素。
On basis of LR circuit transition process analysis, the paper describes measuring method of zero time factor for transformer wire-wound resistor with specific exciting supply.
本文在分析LR电路过渡过程的基础上，讨论了以特定激励源实现变压器绕组电阻零时间常数测量的方法。
The stable solutions of the integral equation are obtained by the extrapolation method when the smooth factor equals to zero.
然后利用外插值的方法，外推得到光滑因子为零时的积分方程的稳定解。
The numerical examples show that, with the application of these global optimization methods, an average-cost problem is the limitation of a discounted problem as the discount factor goes to zero.
数值例子说明，全局优化方法保证了平均准则和折扣准则下的计算结果之间当折扣因子趋近于零时的极限关系成立。
The paper presents a kind of zero-voltage soft-switching unity power factor converter.
提出了一种零电压软开关高功率因数变换器电路。
The errors of FOG involved with temperature are zero bias and scale factor. Input axis misalignment is another important error with temperature.
光纤陀螺与温度相关误差项主要为零漂和标度因数，输入轴失准角也是影响光纤陀螺应用的一个重要误差项。
NPV breakeven analysis examines a value of each factor which makes NPV exactly zero.
净现值盈亏平衡点分析研究每个因素使净现值正好等于零时后的值。
This paper presents the design and implementation of a zero-voltage-transition power factor correction (PFC) converter having high power factor, high efficiency, and low harmonic line current.
本文研制一个具有高功率因数、高效率、低谐波且可操作于高频之零电压切换升压型功因修正器。
When targets flight with zero load-factor, it is a changeable proportional factor guidance law.
当目标作非机动飞行时，最优制导律是变比例系数的比例制导。
The elimination of the zero-order diffraction and conjugate image in the digital holography is the key factor influencing whether or not the holography is utilized widely.
数字全息中直透光和共轭像的去除是影响到全息能否得到更广泛应用的关键因素。
The architecture of zero IF receivers that has the advantage of low-cost, low power dissipation and small from factor is gaining interest while developing OFDM terminal.
为了研制低价格、低功耗、小尺寸的OFDM终端，零中频的接收机结构越来越倍受关注。
In the radar wave migration processing, the boundary condition is usually considered as zero which is the cause of the interpretive precision depressed because of the reflection of non-media factor.
在雷达波偏移处理中。通常将边界条件设为零，但是这会在边界处产生由非介质因素引起的反射现象，使得剖面的解释精度降低。
Thus, a zero gap is realized, where no gap between micro lenses exists, and the fill factor of micro lens is maximized.
因此，实现了零间隙，即，在微透镜之间不存在 间隙，微透镜的填充系数被最大化。
Thus, in the worst case of zero leading-edge suction, the drag-due-to-lift factor K is simply the inverse of the slope of the life curve (in radians), as previously determined.
因此，零前缘吸力的最坏情况是：由升力引起的阻力系数K是前面确定的升力曲线斜率的倒数（弧度制）。
This paper is devoted to the estimation of Q-factor in dispersive medium from zero offset VSP data in the wavelet domain.
讨论了地震子波为一般零相位子波情况下，利用零偏移距垂直地震剖面（VSP）资料在时-频域计算Q值方法。
This paper is devoted to the estimation of Q-factor in dispersive medium from zero offset VSP data in the wavelet domain.
讨论了地震子波为一般零相位子波情况下，利用零偏移距垂直地震剖面（VSP）资料在时-频域计算Q值方法。
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