Subjective Tests

Design of Automated Assessment of Subjective Tests Based on Semantic

基于语义的主观题自动批改算法的设计

The Application of Sentence Similarity Measurement in Automated Assessment Technology of Subjective Tests

语句相似度计算在主观题自动批改技术中的初步应用

Design of Adaptive Watermarking Algorithms for Video Signals Using Subjective Tests

基于主观试验的自适应视频水印算法

The algorithm is the subjective tests based MPEG-4 spatial adaptive watermarking algorithm .

该算法是一种基于主观试验的MPEG-4空域自适应水印算法。

Research on Automated Assessment of Subjective Tests

主观题自动批改技术的研究

TCDD subjective tests show improved system performance in favor of the FD system .

TCCD主体试验结果表明改良的系统性能评价有利于FD系统。

However , the subjective tests can lest students'expressive and communicative abilities .

主观型试题能更有效地测量学生的语言表达能力和交际能力。

The perceptual effect of the phase information in speech has been studied by auditory subjective tests .

通过主观听觉测试实验，研究了语音信号中相位信息对人的听觉感知的影响。

Subjective tests and assessment for broadcasting television receivers

GB/T9379-1988电视广播接收机主观试验评价方法

Two non-linear quantizers are designed from subjective tests for the two adaptive predictors , corresponding to nonactive and active pels .

对应非活动象素和活动象素的两个预测器，由主观实验确定各自的非线性量化器。

In other words , executives should not merely do enough to pass the basic , often poorly defined and subjective tests of their moral and professional fibre .

换句话说，高管不应仅仅满足于通过“适当人选”这样的测试这些测试只是对其道德品质和专业水平的基本测试，往往定义模糊，也比较主观。

Subjective tests show that the adaptive predictor based on contour prediction improves considerably the prediction of resolution charts in comparison with the other intraframe coding schemes .

主观试验表明，与其它帧内编码方式比较，建立在轮廓预测基础上的自适应预测器对分辨率测试卡的预测有明显改善。

Assessment technology of subjective tests based on Chinese is one of the core problems in Natural Language Understanding . In massive online examinations , the automatic marking technology of objective questions has been very mature .

主观试题自动批改技术作为自然语言理解中重要课题之一，对于学生自测作业、大规模在线考试方面具有非常重要的意义，目前针对客观题的自动评阅技术己经相当成熟。

However , in the field of language test , objective test ( the typical representation is multiple-choice test ) has an obvious advantage over subjective tests in administrative terms ( e.g. oral test ) .

然而，测试界以选择题为代表的客观考试明显占有优势，而主观考试如口语测试处于劣势。

The gain of the new predictor is compared with known nonadaptive and adaptive predictors by means of computer simulations . The comparisons base on quantitative criteria as well as subjective tests .

该预测器的性能通过计算机模拟与其它已知的非自适应及自适应预测器进行了客观定量比较与主观试验。

Finally , the objective and subjective tests of the fixed-point Codec of AVS-M is given . This thesis is have significant impact on the spread and application of AVS-M audio .

论文最后给出了AVS-M音频定点编解码器的主客观质量评价。本课题的研究工作对AVS-M音频标准的推广及应用实现具有重要的意义。

Subjective tests are simulated with three sets of sequence pictures of the sampling frequency 10 MHz . Masking functions are measured to design non-linear quantizers with a minimum number of levels criterion .

用三组序列图象（抽样频率10MHz），通过计算机模拟作主观实验，测定了掩盖函数，并用最小量化分层数目的准则，设计非线性量化器。

In addition , a new bandwidth extension algorithm based on wavelet transform maximum is proposed . ( 5 ) The performances of the proposed algorithms are evaluated by experiments and the results of objective and subjective tests are given .

另外，提出一种基于小波变换的带宽扩展算法。（5）通过实验比较了原始算法和改进算法的性能，对这两种算法进行客观和主观测试评价，并给出分析结果。

In the sine excitation linear prediction ( SELP ) vocoder , the DCT-M model improves the naturalness of the reconstructed speech , having subjective tests of 65 % .

将其应用在正弦激励线性预测（SELP）声码器中进行测试，结果表明，它能够改善重建语音的自然度，主观测试结果达65%。

Based on a deep analysis of technical characteristics of video watermark technology and AVS video coding standards , this paper presents three new digital video watermark algorithms : ( 1 ) A subjective tests based adaptive video watermarking algorithm is proposed .

本文在详细分析视频水印技术特点以及AVS视频编码标准的基础上，提出了三种新颖的数字视频水印算法。（1）提出了一种基于主观试验的空域自适应视频水印算法。

An Empirical Study of the Validity of Objective and Subjective Reading Tests

主客观阅读理解测试题效度实证研究

Subjective quality tests indicate that it produces speech quality very similar to the 2 . 4kb / s America Federal Standard MELP vocoder .

试验结果表明，本算法提供了相当于码率为2.4kb／s美国联邦声码器标准MELP的重建语音质量，具有较高的清晰度和自然度。

Some computer simulation experiments of noise pollution denoising are made , then some subjective and objective tests are carried on .

利用所提出的算法对被噪声污染的语音信号进行了消噪仿真实验，并进行了主客观性能测试。