The sensitivity of discrimination analyses method is lower than that of traditional analyses, but the accuracy and specificity of discrimination analyses method are higher than that of traditional analyses. 判别分析的敏感度低于常规判定法,而准确率和特异率高于常规判定方法。
The testing results show that the test turntable which adopted the proposed frequency discrimination scheme can achieve a high control accuracy, excellent stability and easy realization. 仿真实验结果表明:采用鉴频技术方案的测试转台具有控制精度高、稳定性好、易于实现等优点。
The digital discrimination, self-tracing and self-adjusting of threshold energy, and two-peak and two-window techniques are used to increase the measuring accuracy and testing speed. 为了提高测量精度和检查速度,采用了计算机数字卡阈、能阈的自动跟踪和自动校正及双峰双窗技术。
Quadrature Phase Discrimination Circuit and Accuracy Analysis 正交鉴相电路及其鉴相精度分析
The mathematical model of the slope discrimination for the minimum zone assessment of the mainshaft rotating accuracy and roundness is established, and the computer software flowchart of the assessment is presented. 建立了实现最小区域法评定主轴回转精度和圆度的斜率判别法评定模型,并给出了该评定方法的计算机程序流程。
The results showed that the discrimination accuracy of brand A, brand non-A and counterfeit cigarette was 92.0%, 96.3% and 100%, respectively, and the average was 94.4%. 结果显示,A牌、非A牌和假冒A牌卷烟的鉴别准确率分别为92.0%、96.3%和100.0%,平均94.4%。
As the traditional method for the dispersion is artificial methods of qualitative discrimination, there are many insurmountable limitations; the prices are very expensive at existing foreign automatic identification product, and there are drawbacks in the accuracy of the results. 由于传统分散度测定为人工定性判别方法,具有难以逾越的局限性。而现有的国外自动识别产品价格非常昂贵,并且评级的准确度不高。
Yet for the qualitative discrimination of oxytetracycline and its hydrochloride, severe spectrum collinearity was considered and useful variables were selected by CARS which combining with PLS-LDA would make the data processing speed faster and ensure the accuracy of recognition results. 而对于土霉素及其盐酸盐的定性判别,考虑光谱共线性严重,采用CARS方法选取有用变量结合PLS-LDA可以加快数据的处理速度,保证识别结果的准确性。
Experimental results showed that the size of semantic granularity in the semantic characterization directly affected the accuracy of word sense discrimination. The accuracy of WSD could be increased by proper control the semantic granularity without ambiguity. 实验分析说明词义刻画粒度的大小直接影响了词义识别的精度,适当控制词义粒度再不产生二义性的前提下可以提高词义识别的精度。
The experimental results show that the proposed approach achieves the highest discrimination accuracy of 90.2%, and obtains the optimal combination of both feature subsets and HMM parameters. 实验结果表明:该方法在区分音频事件时获得了最高的区分正确率90.2%,得到了特征参数与隐马尔可夫模型参数的最佳匹配。
Seismic wave reflection method is currently one of the most widely used methods and has accumulated many successful experiences in tunnel engineering. However, there are some problems such as discrimination depend on experience, lower positioning accuracy. 地震波反射法是目前应用最多的方法之一,在隧道工程实践中积累了很多成功的经验,但也存在着判别依赖经验,定位精度不能满足要求等一些问题。