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Questions related to Filtering
I am using VAR model and to see the impulse response function I used Cholesky decomposition. The first variable is oil price as a supply shock, second output gap by applying Hodrick-Prescott...
21 March 2021 7,017 9 View
I need some explanation from both the Physics and Chemistry points of view.
18 March 2021 2,931 7 View
I did Soil Acid digestion with the following procedure ( Cadmium and Lead) Soil= 0.100 g initial weight taken HNO3 and HCLO4 added= 1.7ml total volume combined (3:4) After Digestion, Samples...
17 March 2021 1,801 7 View
How to treat the inoculum medium used for anaerobic digestion of wastewater before it is added to the wastewater? (eg., filter with a filter of which size. Measure COD, TSS, etc. after the filter...
16 March 2021 3,852 3 View
We frequently purify proteins from mammalian cells using HPLC, which requires a clarified lysate free from cell-debris. Our current method is to centrifuge the cell lysate at 33,000xg and then to...
16 March 2021 9,533 1 View
I have 2 models with different dependent variables. The independent variables are more or less the same. Model 1: performs well, but I would like to find feature importance/ significancy out from...
14 March 2021 6,415 3 View
Currently I am using Amicon 10KDa centrifugal filters to concentrate the media from 400mL to 3mL. I noticed that this concentration method seem to consume lots of filters (these are expensive) and...
08 March 2021 380 1 View
After getting my cyanobacteria-water samples, filtering them through GF/F filters, and freezing-thawing them, I use the trichromatic method to get Chl-a concentration. I am wondering how much...
08 March 2021 5,454 2 View
I analyzed flavonoid total spectrophotometry, the procedure as below: 2 ml supernatan added 5 ml dd.H2O, then added 0,15 ml NaNO2 5%, 5 minutes later added 0,15 ml AlCl3 10%, After 6 minutes,...
02 March 2021 6,948 1 View
Hi, Can anyone please tell me what are the ranges of four different pole orders such as first order, second order, third order and fourth order respectively of butterworth filter for ECG...
24 February 2021 2,767 3 View
I already found several publications on that topic, however, the specifications for the used filters are often missing. Some more specific information than "fish is placed between to polarizing...
24 February 2021 2,143 1 View
I used EdgeR to get the list of DEGs (differentially expressed genes) from my liver RNA-seq experiment. I have done the gene overrepresentation and GSEA based pathway analysis. I am currently...
24 February 2021 9,211 1 View
I have a mixture of epoxidized oil and magnesium sulfate wich type of filtre paper should i use
22 February 2021 4,167 3 View
What low-cut filter (high Pass frequency) to be used for the response spectrum (Tripartite plots)? I am currently working on differentiating between hard/soft site responses in Indo-Gangetic...
22 February 2021 9,532 2 View
UNet is 'relatively' recent and was invented mainly to deal with biomedical images, yet is it also possible, for a limited dateset of images, to use Convolution filters + Random Forest instead of...
22 February 2021 5,036 3 View
I've got this 5 year Direct Normal Irradiance data I downloaded from https://re.jrc.ec.europa.eu/. I ordered this by year and by every 24 hours because I need the DNI curve by max in summer, min...
18 February 2021 3,018 5 View
PCB modelling is to find the best design for printed circuit boards in several models of the case of different boundary conditions, and after calculating the three basic natural frequencies of the...
18 February 2021 979 0 View
I analyzed soil and ash samples using ICP-MS for 28 metals, then I resuspended those samples to collect PM2.5 particles in a filter using a selective inlet inlet. My only issue that Fe and Al...
14 February 2021 7,761 3 View
Hello, I'm currently studying a Deriche filter. I've managed to create python program for derivative smoothing from this article [1]. As I understand, Deriche used one α for smoothing in both...
13 February 2021 6,121 6 View
I am working on a biosensing project on paper substrate, however, it is found that the RNase contamination occurs on the filter paper. Might I ask is there any method to clean the paper surface...
13 February 2021 4,144 3 View
I am trying to eliminate the ECG artifact in my sEMG data. Unfotunately, my efforts to find the ideal method in the literature were not successful. I am using AcqKnowledge by Biopac for the data...
09 February 2021 1,027 7 View
Hello, I'm performing system identification of the lateral closed-loop dynamics of a quadrotor. My model receives a setpoint and should return position and acceleration. I've proposed a second...
08 February 2021 10,007 2 View
I am trying to visualize alpha and dense granules in platelets. However, it seems like the granules were not stained well. Is there any way I can improve my staining technique to obtain better...
05 February 2021 6,122 9 View
Dear everyone, When I was a student, my academic advisor taught me to collect MOFs by decantation instead of suction filtration. Why is the crystal structure of MOF broken by suction...
05 February 2021 4,624 3 View