置零
- Zeroing;zero setting
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本文也通过设置合理的阈值以及拟合圆的置零范围对算法进行改进,在一定程度上提高了系统的实时性。
By means of setting a reasonable threshold and the zero setting area of imitate circles , the real-time property is improved to a certain extent .
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相反,当XFS日志系统重新启动时,XFS确保任何未写入的数据块在重新引导时置零。
In contrast , XFS ensures that any unwritten data blocks are zeroed on reboot , when XFS journal is replayed .
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作为应用举例,本文同时给出了新算法与现已报导的RAMONA波瓣置零综合算法的计算机仿真的数值比较结果。
As application examples , the comparable numerical results are given for the computer simulation of this algorithm and the RAMON A algorithm .
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激光断代是一项直接测定沉积物年的新技术,尚处在实验阶段,和TL测定沉积物年代一样,光断代置零机制也是光暴露。
Optical dating is a new , and as yet at experimental stage , technique for the direct dating of sediments . As in the TL dating , the zeroing mechanism in optical dating is exposure to light .
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本文首先讨论稀布阵综合脉冲孔径雷达(SIAR)的抗干扰性能,表明该雷达在抗干扰方面手段丰富,抗干扰能力强。然后介绍自适应置零处理在SIAR中的应用。
This paper begins with a discussion of the anti interference performance of sparse array synthetic impulse and aperture radar ( SIAR ), followed by an introduction of the application of adaptive interference cancellation in it .
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数字波束形成(DBF)技术可显著提高阵列天线的性能,这些性能包括:快速自适应波束置零、超低副瓣、密集多波束、自适应空时处理、高分辨测向和大容量有限带宽通信等等。
The technology of digital beamforming ( DBF ) can dramatically increase array antenna performances . These performances include fast adaptive pattern nulling , ultra-low sidelobes , closely spaced multiple beams , adaptive space-time processing , high resolution direction fiding ( DF ) and increased capacity for band-limited communications systems .
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唯相位(Phase-Only)方向图置零方法是一种只利用阵列单元的相位扰动对方向图的零点进行控制的波束形成方法。
The most important feature of Phase-Only nulling method lies in only making use of phase perturbations for controlling pattern 's nulls , namely , amplitude of weights is fixed . Phase-Only . nulling method is not only applied to reception pattern but also radiation pattern .
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本文提出了一种相控阵天线相位加权置零综合的新算法。这种算法基于单元零点向量法和改进的Gram-Schmidt正交化方法,它能有效地设置宽零点和低凹口。
In this paper , a novel algorithm of real phase only nulling synthesis for phased array antennas in proposed , which is based on the " Element Null Vector " and modified Gram Schmidt orthogonalization , it is effective to set wide null and low notch .
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计算机仿真结果表明,在独立衰落信道或相关衰落信道下,此算法均优于置零接收机算法。在误码率为10-6水平下,此算法比传统算法的信噪比改善约4dB。
Simulation results demonstrate the proposed algorithms outperform the ZF receiver algorithm in both independent and correlated fading channels and they require 4 dB less signal-to-noise ratio than the traditional one for a bit error rate of 10 ? 6 .
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自动置零和零点跟踪功能试验中的状态和处置
The state and disposal in automatic zero and zero-tracking function experiment
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宽带相控阵雷达数字波束形成及干扰置零方法
Digital Beamforming and Jammer Nulling Method for Wideband Phased Array Radar
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一种混合稀疏置零的自适应声回波对消算法
A Hybrid Sparse Kill-Weights Adaptive Filtering Algorithm for Acoustic Echo Cancellation
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地面取心控制仪同步置零电路的改进
Improvement of Synchronous Zero & Setting Circuit for Coring Controller in Surface
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相控阵天线波瓣置零综合的相位加权闭环实数算法
Real Phase-Only Closed Loop Algorithm of Pattern Nulling Synthesis for Phased Array Antennas
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基于子阵的宽带发射干扰置零方法
A wideband interference nulling method based on subarrays
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基于自适应阵列理论的波瓣置零综合
Pattern Nulling Synthesis Based on Adaptive Array Theory
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有效的宽带宽角发射干扰置零新方法
Efficient Wideband Jammer Nulling in Large Scanning Angle
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另外,本章还简要介绍了多波束置零,作了初步的探讨。
Otherwise this chapter simply introduced multiple beam nulling and made the primary discuss .
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阵列部分加权置零综合
Nulling Synthesis with Partial Weighting in Array
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该算法与变换域干扰置零算法相比具有一定性能改进。
This algorithm makes some improvements compared with the interference nulling algorithm in transform domain .
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抛物面天线自适应置零技术
Adaptive Nulling Technique of Paraboloid Antenna
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这样,利用阳光晒退就可以基本上解决沉积物断代中的置零问题。
Thus , the zeroing problem can be basically solved by sunlight bleaching in the sediment dating .
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自复绕式电流互感器自动复位,自动置零
Autocompounded current transformer automatic reset
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叙述了在密度加权相控阵上进行的随机馈相和波束置零实验。
Experiments of the phase control null and random phase quantization in density weighted phased arrays are described .
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作者测定了4个河流冲击物的热释光年龄,用光晒退置零。
The TL ages of 4 fluvial deposit samples have been determined and the light bleaching is used in zeroing .
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仿真结果表明,该均衡器比基于线性预测的盲置零均衡器有更小的符号估计均方误差。
Simulation results show that the blind MMSE equalizer has smaller mean-square error of symbol estimation than the corresponding zero-forcing equalizer .
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采用对数量化器和置零策略将系统建模为一个随机参数不确定系统。
By using logarithmic quantizer and zero-input strategy for packet dropouts , the networked system is modeled as a stochastic param-eter uncertain system model .
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并且沿着两个单元的公共边界,将线性力矩单元的有关广义位移参数置零,能够使两个不同阶次的单元互相匹配。
The two different elements can be coupled by allowing the generalized displacement parameter of linear moment to get zero along the common boundary .
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为了充分利用发射功能组件的能力,在发射模式中对方向图零点的控制应该采用唯相位的波束置零方法。
In order to make full use of the abilities of transmitting function modules , phase-only method is an optimal solution for radiation nulling .
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然后,将图像块中像素最低有效位和次最低有效位分别置零,以置零后的像素平均亮度值作为恢复数据。
The recovery data are composed of average intensity obtained by truncating the two least significant bits ( LSBs ) of each pixel within each block .