Abstract: Sparse arrays designed based on fourth-order difference co-array (DCA) can achieve significantly higher uniform degrees-of-freedom (uDOFs). However, most existing fourth-order sparse arrays ...
Abstract: Voice coil motor direct drive valve has become an important development direction of electro-hydraulic servo valve because of its simple structure and convenient control. Because the ...
Can the President order the U.S. Postal Service not to deliver mail he doesn’t like? Add this to the list of, er, innovative questions that President Trump is posing to the courts. On Tuesday he ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results