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Reference: “Lunar dust removal and material degradation from liquid nitrogen sprays” by I. Wells, J. Bussey, N. Swets and J. Leachman, 10 February 2023,
Acta Astronautica.
DOI: 10.1016/j.actaastro.2023.02.016,The researchers are now working to fully understand and model the complex interactions between the dust...
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Lesions (red) occur near areas that must stretch more to accommodate pressure changes of the circulating cerebrospinal fluid. When the walls of the CSF-filled ventricle (black) wear thin, CSF leaks into the brain tissue (grey) and creates lesions. Credit: Stevens Institute of Technology
Researchers at Steven...
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Built with multifunctional appendages able to spin wheels that can also be “wiggled” and lifted, the Mini Rover was modeled on a novel NASA rover design and used in the laboratory to develop and test complex locomotion techniques robust enough to help it climb hills composed of granular material, here ordinar...
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08-27
Engineers at Johns Hopkins are studying butterflies using high-speed video cameras to gain a better understand of their flight dynamics. With funding from U.S. defense agencies, the researchers hope to use this knowledge to create micro...
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08-26
(Top) A utility vehicle equipped with a laser range finder drives through a field, avoiding obstacles without human intervention. (Bottom) A driver setup tests humans’ response to a new semiautonomous safety system. Photo: Sterling And...
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07-13
蓝冠官网《Q374919》随着富士通和其他供应商的100G光接口的引入和广泛使用,该行业现在正将注意力转向高速光子学的下一个进化。富士通正以积极的研发计划来解决400G/ 1tb速度带来的技术和组件挑战,蓝冠官网 引领着该行业。富士通每年的研发预算超过2...
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07-13
蓝冠注册《Q374919》介绍
尽管许多应用程序可以使用小于8位的PWM分辨率,蓝冠官网 但也有一系列应用程序,如灯具的调光,由于人眼的灵敏度要求更高的分辨率。
背景
传统的PWM使用定时器产生一个常规开关频率(TPWM),然后使用纹波计数器来确...
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07-13
蓝冠官网《Q374919》新的1600V双mosfet晶体管开辟了新的应用
今天有许多应用使用高压mosfet和igbt,蓝冠官网 这将受益于更高的电压部分。例如扫描电路、雷达脉冲调制器、电容放电电路、固态继电器、牵引设备上的辅助电源和其他高压开关电源。mosfe...
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07-13
蓝冠招商《Q374919》从12V DC运行的放大器通常不会输出很多功率,蓝冠官网 它们通常也不是高保真度。但这个小立体声放大器的功率和低失真盒。使用14.4V电源,它将在削波时为4欧姆负载提供每通道20瓦的功率,而较低功率水平的谐波失真通常小于0.03%。
...
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07-13
蓝冠注册《Q374919》viaddesigner是一款混合信号设计和仿真软件,蓝冠官网 可从ViaDesigner.com获得。
ViaDesigner结合:
原理图捕获
分层设计的浏览
香料建模
HDL数字输入(VHDL & Verilog)
高级VHDL-AMS建模
将原理图、模拟...