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Questions related from Nima Saliani
I have a cost function of real variable x to be minimized as follow: J(x) = || A(x) - b ||2 + || x ||2 the 1st norm is in complex Banach space and the 2nd norm is in real admissible Hilbert...
11 April 2021 382 6 View
I want to place via in my 2-layer pcb antenna start from top layer but not touch the bottom layer ending with 0.5 mm spacing from it. Is it possible from the aspect of manufacturing?
04 July 2019 2,377 3 View
Can anybody please help me to run a global macro (e.g. Run Macro>> Materials>>Define Human Material Properties) from matlab? in CST help there is a command RunMacro ( string...
09 June 2019 4,377 2 View
I have 2 problems about local coordinate system in Comsol. 1. how to offset my coordinate system? 2. how to assign local coordinate system on a deformed shape like a bump? I think the boundary...
04 November 2017 9,770 3 View
Hello. I have 2 question 1. I want to know the advantages of CORPS BFN specially in one-beam steering. Because we can give the output phase and amplitude of the network instead of input amplitude...
27 September 2017 6,467 0 View
I have office 2016 and mathtype 6.9b. The formulas in the word seem correct but after conversion to pdf, they become upper relative to the main line as I have attached bellow. Can anyone help me?
24 July 2017 783 5 View
I have designed a 5 port CIHRPD coupler in CST MWS which I attached bellow. All dimensions and microstrip line width have designed to operate in 2.4 GHz but I have get so confused because by...
26 June 2017 6,753 4 View
I can understand the way multiple independent and Orthogonal beams generate in the butler matrix. I want to know if other beamformings in the phased array antennas use the same concept to generate...
03 March 2017 3,856 6 View
I am simulating the absorption from a corrugated grating with infinite substrate in cst microwave studio. I put boundary condition along grating vector and the other dimension perpendicular to the...
27 September 2016 4,414 3 View
I'm beginner in Altium Design and I have defined some component in Pcb and Sch library. the problem is about one of 4 pin user-defined component that is when I want to drag it a bit, the...
06 July 2016 7,486 2 View
can anyone introduce me some paper which calculate the conductivity of graphene and graphene nano ribbon in the presence of parallel electric/magnetic fields?
14 June 2016 1,355 2 View
Hello.Kindly anyone introduce me a very low cost TTL to RS485 converter circuit board. I have find the circuit attached here but the VBSD1-s5-s5 SIP is some how precious. regards.
13 April 2016 5,229 2 View
I want to know beside edge effect on electronic transports, does it affect the nature of plasmonic waves, the graphene nanoribbon support or not? because as I know the conductivity is influenced...
22 March 2016 4,949 0 View
