(Back-transformed from Fourier)
(Back-transformed from Fourier)
(Centered)
| .OPERATION: | TF C | ; Generate straight, complex CTF |
| .CTF OUTPUT FILE: | tfct | ; CTF correction file (output) |
| .SPHERICAL ABBERATION CS [mm]: | 2.0 | ; CS |
| .DEFOCUS [A], ELECTRON VOLTAGE [Kev]: | 23400, 300 | ; Defocus, electon voltage |
| .NUMBER OF SPATIAL FREQUENCY POINTS IN X & Y: | 360, 360 | ; Number of spatial freq. points |
| .MAXIMUM SPATIAL FREQUENCY [1/A]: | 0.373 | ; Max spatial freq. |
| .SOURCE SIZE [1/A], DEFOCUS SPREAD [A]: | 0.0, 0.0 | ; Source size, defocus spread |
| .ASTIGMATISM [A], AZIMUTH [DEG]: | 0,0 | ; Astigmatism, azimuth |
| .AMPLITUDE CONTRAST RATIO [0-1], GAUSSIAN ENVELOPE HALFWIDTH: | 0.1, 10000 | ; ACR, GEH (10000 = has no effect) |
| .SIGN [+1 or -1]: | -1 | ; Sign |
| OUTPUT CTF IMAGE (Back-transformed from Fourier) | OUTPUT CTF IMAGE (Back-transformed from Fourier) (Centered) |
|---|---|
| | |
| tfc | tfc_cen |