The parameter of LFM term estimated by the changing sample ratio processing technology to improve the performance of tracing distance is presented.
提出了应用变采样率技术估计线性调频项参数来减小距离跟踪的误差,提高雷达的跟踪目标性能。
We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.
讨论多阶段抽样比率估计及其样本量选择的问题,给出了比率估计抽样均方误差的近似公式及其渐近无偏估计的公式。
In this paper, the range glint is analyzed in theory through the model of sample ratio established, and then its physical essence is also expatiated using echo spectrum aberration.
本文通过所建立的采样比率模型对多目标的距离闪烁效应进行了理论分析,并从回波频谱畸变的角度解释了其物理本质。
The bandwidth of target signal after stretch processing and narrowband filtering, the data sample ratio and computing burden are reduced greatly and the method is easy for engineering implementation.
经拉伸处理和窄带滤波的目标信号带宽大大降低,数据采样率也大大降低,因此计算量减小,利于工程实现。
We prepared a sample PSD layout that is designed according to the Golden Ratio and Golden Rectangle.
我们准备了遵照黄金分割比率和黄金矩形原则设计的PSD格式版面设计示例。
As the sample size grows, it will more closely match the expected 75/25 ratio from the business items used in this example.
随着示例大小增长,它将更加接近本例中使用的业务项的预期 75/25比率。
Using fluorescence intensity ratio method of analysis, detection of wide variety, wide measuring range, fast analysis speed, less sample consumption.
采用荧光强度比率分析方法,检测品种广,量程宽,分析速度快,样品耗量少。
This sample file consists of the entire Old Testament. Each tag is only one or two characters, which reduces the tag-to-text ratio.
这个文件包含了整本旧约全书。每个标签只有一到两个字符,降低了标签对文字的比例。
The definition of the ratio is the number of common bits, divided by the number of bits set in either sample.
比值的定义是公共位的个数,除以样本中所有位的个数。
The selection of chromatographic column, flow rate of carrier gas, column temperature, solvent, sample size and the column ratio of sample and solvent were experimented.
并对色谱柱、载气流速、柱温溶剂、进样量等色谱条件的选择,以及试样与溶剂的体积比的选择进行了实验。
Identify the production ratio of the concentration, the concentration is now 42 degrees Baume, and some too strong, we can be diluted with water, mixing evenly, the sample re-measured.
酒店标识制作的配比浓度,现在的波美浓度是42度,有些太浓,酒店标识制作我们可以加水进行稀释,搅拌均匀后,取样重新进行测量。
By Fick's Law, the accelerated ratio was deduced in the salt fog box on metal sample packed in film.
利用费克定律,对用薄膜包装的金属试样在盐雾箱试验中的加速倍率进行了推导。
We theoretically discussed the synchronization sample gate time determination by considering the optimal Signal-to-Noise Ratio (SNR) where the background showed time-uniformity distribution.
本文通过最佳信号噪声比分析,讨论了单分子辐射单光子在具有时间均匀分布背景信号时对同步取样时间的选取。
Conclusion STR multiplex examination is an ideal method to study the genotype of each component and their combination ratio in a mixed biological sample with certain composed proportion.
结论应用荧光标记STR多基因座联合检测技术可以对一定比例的混合生物样品进行STR基因型判定,并对其混合比例状况进行大致推断。
The charge-mass ratio can be measured expediently by multiple image averaging, fringe thinning and sample analyzing.
通过多图像平均,图像细化,取样分析,快速方便地测量计算了电子的荷质比。
If other quantities are analysed, then the ratio weight of the analytical sample to culture medium must always be 1:10.
如分析其它数量,保证分析样品的重量与培养基之比为1:10。
This paper designs a time-variable CIC filter based on CIC filter for fractional ratio sample rate conversion.
本文以实现整数倍抽取内插的CIC滤波器为基础,提出了一种实现分数倍采样率转换的时变CIC滤波结构。
Sulfur isotope ratio of environmental sample can provide detail information regard to origin and transport of sulfur in the environment.
环境样品的硫同位素比值能够提供硫的来源及其在环境中扩散迁移的相关信息。
Influence of compressive ratio and density on sound absorbing property of foamed aluminum made by bubbling method has been studied and compared with that of Japanese sample.
研究了压缩率和密度对发泡法制备的泡沫铝样品吸声性能的影响,与报道的日本用发泡法制备的泡沫铝样品的研究结果进行了比较。
The sample concentration and the ratio of elution solution which influence the separation effect of PC and PE were further researched.
考察了进样浓度和洗脱液配比对分离效果的影响。
Ot. xml This sample file consists of the entire Old Testament. Each tag is only one or two characters, which reduces the tag-to-text ratio.
这个文件包含了整本旧约全书。每个标签只有一到两个字符,降低了标签对文字的比例。
The sample allocation scheme based on relative ratio of failure effect was adopted, which could make the test result more credible.
通过采取基于故障影响相对比值的样本分配方案,可以使试验结果更加真实、可信。
The results showed that the density of sample was inverse ratio to the area percent of pores, it validated the feasibility of our ideas indirectly.
结果表明各试样的气孔所占面积百分比与试样的密度存在着较好的反比关系,从侧面验证了思路的可行性。
The method of signal-to-noise ratio of pure silicon sample, in the opinion of the author, is even better than other methods.
作者认为,采用纯硅样品的信噪比法要比其它方法更为方便可靠。
Hardness, tensile strength, breaking elongation ratio and aging property of samples were tested and surface of sample after aging was represented by SEM.
对试样进行了硬度、拉伸强度、断裂伸长率、热老化等性能试验;对老化后的试样表面进行了SEM表征。
The optimum extraction time and ratio of sample weight to extractant volume were chosen according to the extraction results of indicator parameters and heavy metals in leachates.
分别根据表征参量和重金属在萃取溶液中的含量变化确定最优萃取时间和萃取样液比。
The result shows that measurement standard error reaches minimum 0.027 for most milk sample and satisfies the national criterion of protein detection when dilution ratio ranges from 6.2 to 7.4.
结果表明,对于大多数的牛乳样品,当其稀释倍率在6.2至7.4范围内时,测量标准偏差达到最小值0.027,满足蛋白质检测国家标准。
The result shows that measurement standard error reaches minimum 0.027 for most milk sample and satisfies the national criterion of protein detection when dilution ratio ranges from 6.2 to 7.4.
结果表明,对于大多数的牛乳样品,当其稀释倍率在6.2至7.4范围内时,测量标准偏差达到最小值0.027,满足蛋白质检测国家标准。
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