mirror of
https://github.com/m-labs/artiq.git
synced 2024-12-19 00:16:29 +08:00
46 lines
1.2 KiB
Python
46 lines
1.2 KiB
Python
from math import sqrt, cos, pi
|
|
import time
|
|
|
|
from artiq import *
|
|
|
|
|
|
def model(x, F0=1500, A=80, B=40, t=0.02, tpi=0.03):
|
|
return A+(B-A)/2/(4*tpi**2*(x-F0)**2+1)*(1-cos(pi*t/tpi*sqrt(4*tpi**2*(x-F0)**2+1)))
|
|
|
|
|
|
class FloppingF(AutoDB):
|
|
class DBKeys:
|
|
implicit_core = False
|
|
|
|
npoints = Argument(100)
|
|
min_freq = Argument(1000)
|
|
max_freq = Argument(2000)
|
|
|
|
frequency = Result()
|
|
brightness = Result()
|
|
|
|
flopping_freq = Parameter()
|
|
|
|
@staticmethod
|
|
def realtime_results():
|
|
return {
|
|
("frequency", "brightness"): "xy"
|
|
}
|
|
|
|
def run(self):
|
|
for i in range(self.npoints):
|
|
frequency = (self.max_freq-self.min_freq)*i/(self.npoints - 1) + self.min_freq
|
|
brightness = model(frequency)
|
|
self.frequency.append(frequency)
|
|
self.brightness.append(brightness)
|
|
time.sleep(0.1)
|
|
self.analyze()
|
|
|
|
def analyze(self):
|
|
min_f = self.frequency.read[0]
|
|
min_b = self.brightness.read[0]
|
|
for f, b in zip(self.frequency.read, self.brightness.read):
|
|
if b < min_b:
|
|
min_f, min_b = f, b
|
|
self.flopping_freq = min_f
|