Results 81 to 90 of about 231,408 (150)
Zhejiang Daxue xuebao. Lixue banThe existence of discontinuous solutions of the hyperbolic conservation laws calls for require strict numerical algorithms. Traditional low order numerical algorithms are usually easy to construct, but the resolution of the numerical results is low and ...
汪浏博(WANG Liubo) +3 more
doaj +1 more source
, 2003 基于CMOS器件的离散性机理及误差消除对策，研究了高速、高精度嵌入式CMOS数/模转换器（DAC）IP核的设计与实现。采用行、列独立译码的二次中心对称电流源矩阵结构，优化了电流源开关电路结构与开关次序；利用Cadence的Skill语言独立开发电流源矩阵的版图排序和布线方法。在0.6μm N阱CMOS工艺平台下，12-bitDAC的微分线性误差和积分线性误差分别为1LSB和1.5LSB，在采样率为150MHz、工作电源为3.3V时的平均耗为140mW。流片一次成功 ...
石寅, 于雪峰
core
四川大学学报. 自然科学版, 2008 作者使用特殊方法提供了散度型拟线性抛物型方程的L∞(QT)范的先验估计,并在此基础上构造解拟线性抛物型方程的迭代法,迭代每步仅要求解拟线性抛物型方程,然后证明了算法的收敛是几何的.
潘璐, 吕涛
doaj
[A study on three-dimensional reconstruction of coronary arteries and numerical simulation of fractional flow reserve based on deep learning]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiWei J, Wang L, Zhang W.
europepmc +1 more source
[Preparation of B@PH/GM-V hydrogel microspheres and their antioxidant and osteogenesis-promoting effects]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiFeng Y +7 more
europepmc +1 more source
[Inductance calculation method for transcranial magnetic stimulation figure-8 coils Accounting for spatial mutual inductance]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiFan Y +9 more
europepmc +1 more source
[Dihydroartemisinin inhibits the progression of oral squamous cell carcinoma]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiShan T +5 more
europepmc +1 more source
本发明一种降低大功率半导体激光器发散角的窄波导结构,包括：一衬底；一N型限制层,该N型限制层制作在衬底上；一N型波导层,该N型波导层制作在N型限制层上；一量子阱层,该量子阱层制作在N型波导层上；一P型波导层,该P型波导层制作在量子阱层上；一P型限制层 ...
王俊 +5 more
core