A watermarking scheme based on the discrete cosine transform (DCT) was studied. A new blind watermarking algorithm by embedding the watermark into the phase components of DCT was proposed.
基于离散余弦变换(DCT)方法对水印算法进行了研究，提出一种新的将水印嵌入到分块dct相位成分的盲水印算法。
Aiming at the phase ambiguity of the blind channel estimation in frequency domain, a blind channel estimation method in frequency domain based on dissymmetrical modulation constellation was proposed.
针对频域信道盲估计的相位模糊问题，提出了基于非对称调制星座的频域信道盲估计方法。
Studies on phase I clinical trials of artesunate tablet were carried out with double blind method in 22 male healthy volunteers.
以双盲法对22名健康男性志愿者进行青蒿琥酯片口服的耐受性和不良反应研究。
It is proved that UV channel is a minimum phase system and can use blind equalizer. Ber is not sensitive to the step size and tap number for CMA blind equalizer.
还证明了紫外信道是最小相位系统，可以进行盲均衡，结果指出，只要迭代次数足够，CMA盲均衡器输出误码率与滤波器阶数、迭代步长关系不是很明显。
She is deaf and blind, in senescence phase.
她耳聋眼花，处于老年期。
The double-blind, placebo-controlled, phase III study is one of the largest PD clinical trials to date.
双盲，安慰剂对照，第三阶段的研究是其中一个最大的钯临床试验的最新资料。
According to the diagram, parameters of dense phase pneumatic conveying can be optimized, solids mass rate can be controlled, and blind operation of dense phase pneumatic conveying can be decreased.
根据此图，可对密相气力输送参数进行初步优化，控制固体的输送量，减少密相气输送中的盲目操作。
New hope for hundreds of thousands of people suffering from chronic sciatica was revealed this week in a Phase II randomized, double-blind, placebo-controlled trial.
本周在一项II期随机、双盲、安慰剂对照试验中揭晓了几十万慢性坐骨神经痛患者的治疗新希望。
These patients had acne vulgaris ranging from mild to severe and were a subgroup of patients from phase 3, randomized, double-blind, vehicle-controlled, multicenter clinical trials.
这些患者有轻到重度痤疮，是基质对照随机双盲多中心3期临床试验的一个亚组。
Efficacy and Safety of Fasudil in Patients with Stable Angina A Double-Blind, Placebo-Controlled, Phase 2 Trial.
法舒地尔治疗稳定型心绞痛患者的疗效与安全性：一项双盲，安慰剂对照，2期试验。
Efficacy and Safety of Fasudil in Patients with Stable Angina A Double-Blind, Placebo-Controlled, Phase 2 Trial.
法舒地尔治疗稳定型心绞痛患者的疗效与安全性：一项双盲，安慰剂对照，2期试验。
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