The precision for the frequency and quantile statistics can be modified for an individual column or a group of columns.
可以为单个列或一组列修改频率和分位数统计信息的精确度。
Increasing this value can lower the write frequency if you have a high number of files being modified at the same time.
如果同时修改许多文件,提高这个值会降低写操作效率。
Modified Hadamard Variance (MHV) has been widely used for the power spectrum measurement of frequency sources.
用修正哈达玛方差(MHV)来测量频率源的谱密度已在国内外广泛流行。
A new droplet breakage criterion and a modified model of droplet breakage frequency which account for the effect of dispersed phase viscosity on drop deformation and breakage were presented.
在分析研究分散相黏度对液滴变形和破碎影响的基础上,提出了一个改进的液滴破碎频率模型并拓展了液滴破碎判据标准。
The numerical results in the paper show that the modified element is used to analyse the free vibration, and the accuracy of the structural frequency is greatly raised at no increasing the freedom.
文中算例表明,在不增加自由度的前提下采用修正单元进行自由振动分析,结构的频率计算精度可以明显提高。
Using LC tank circuit as the load of modified XOR, the frequency component desired can be extracted out.
改进的异或门中,利用LC谐振回路作为异或门的负载,提取出希望得到的频率分量。
A novel frequency time spreading code by designating the different frequencies to the different mark positions of the modified prime code is proposed.
通过对改进素数码的不同脉冲位置赋予不同的频率,提出了一种新的跳频扩时码。
A modified frequency scaling algorithm to process the high squint spotlight SAR data is presented.
首先给出了一种改进的频率变标算法。
Modified MIMO channel estimation algorithm based on superimposed training sequence was proposed for the frequency selective channel.
针对提高无线信道的传输性能,提出了改进的基于叠加训练序列的MIMO信道估计算法。
A modified algorithm of an Active Noise Control system based on Frequency-Selective Filter (FSFANC) is proposed.
提出了一种改进的选频有源噪声控制(FSFANC)算法。
The experiments show that suppress at trap frequency can be effectively improved by using composed uniform IDT and modified MSC.
实验表明,采用组合式均匀叉指换能器及变形多条耦合器元件可有效提高对陷阱频率的抑制。
If the compressor (12) or the vacuum pump (10) vibrate too strongly, the rotative frequency of the drive motor (14) can thus be simply modified to prevent resonance effects.
如果压缩机(12)或真空泵(10)非常强烈地振动,那么因此能够简单地修改驱动马达(14)的转动频率以防止共振效应。
A modified direct digital frequency synthesis (DDS), pipelined structure, and time-sharing ROM are adopted in the chip, for saving chip area and ensuring high performance and speed.
该芯片采用了改进的直接数字频率合成算法、流水线结构与ROM分时复用技术,保证了芯片的高性能和速度,节省了芯片面积。
More particularly, the number of sustain pulses within the video frame and selected by the power level mode is modified as a function of the input frame frequency.
更具体地,按照输入帧频率的函数来修改视频帧内的维持脉冲数。
The clock signal is obtained by using a frequency doubler which USES a modified XOR topology, so that the complexity of the system is reduced.
改进异或门拓扑结构实现的二倍频器,结构简单、实用,降低了电路复杂度。
In coordination with the application of post-set arc suppression coil, a frequency scanning based modified method for detecting system capacitance to earth is proposed.
为配合随调式消弧线圈的使用,提出了一种扫频检测系统对地电容的改进型方法。
The hybrid time-frequency method was modified to analyze the simultaneous switching noise in power distribution network.
对时频域混合方法加以改进用于分析电源分配网络同步开关噪声。
A modified model of thermal-mechanical noise is developed to make it adaptable to the micromechanical cantilever in high frequency or low temperature.
本文采用能量统计分布方法研究微机械悬臂梁的噪声模型,对热机械噪声理论模型进行了拓展和修正,使之适用于低温和高频条件。
Then the temperature effect on the structural model frequency is analysed, and the model parameter identification results are modified.
此外,利用该桥的实测数据分析了结构固有频率受温度的影响规律,修正了结构模态参数的辨识值。
Conclusion: Saline-irrigated radio frequency modified maze procedure is a safe, simple and effective method for treating af combined with heart disease in open heart surgery.
结论:冲洗射频消融改良迷宫手术在治疗合并有房颤的心脏疾病的心内直视手术中安全、简便、易于操作,而且疗效确切,值得推广应用。
Conclusion: Saline-irrigated radio frequency modified maze procedure is a safe, simple and effective method for treating af combined with heart disease in open heart surgery.
结论:冲洗射频消融改良迷宫手术在治疗合并有房颤的心脏疾病的心内直视手术中安全、简便、易于操作,而且疗效确切,值得推广应用。
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