Method and device for optimizing short-term stability parameters of atomic frequency standard
An atomic frequency scale and stability technology, applied in the direction of automatic power control, electrical components, etc., can solve the problem of inaccurate optimal working parameter points, balance long-term stability, accurate working parameter points, and improve short-term stability. Effect
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Embodiment 1
[0056] see figure 1 , Embodiment 1 of the present invention provides a method for optimizing short-term stability parameters of an atomic frequency standard, which specifically includes:
[0057] 101: Set multiple working parameter points; each working parameter point includes multiple experimental points and each experimental point corresponds to a different parameter to be optimized, each parameter to be optimized corresponds to multiple experimental points and the number of corresponding experimental points is the same, and The experimental points corresponding to the same parameter to be optimized are evenly distributed in the value range of the parameter to be optimized and include the two ends of the value range. There is at most one experimental point in every two working parameter points that is the same, and each experimental point is in all The number of occurrences in the working parameter points is equal; the parameters to be optimized include modulation depth, mod...
Embodiment 2
[0063] see figure 2 , Embodiment 2 of the present invention provides a method for optimizing short-term stability parameters of an atomic frequency standard, the method comprising:
[0064] 201: Set multiple working parameter points; each working parameter point includes multiple experimental points and each experimental point corresponds to different parameters to be optimized, and each parameter to be optimized corresponds to multiple experimental points and the number of corresponding experimental points is the same , the experimental points corresponding to the same parameter to be optimized are evenly distributed in the value range of the parameter to be optimized and include the two ends of the value range, at most one experimental point is the same in every two working parameter points, and each experimental point The number of occurrences in all working parameter points is equal; the parameters to be optimized include modulation depth, modulation frequency and microwa...
Embodiment 3
[0110] In order to facilitate the description of the device of the present invention, the structure of the atomic frequency standard is first introduced below. see Figure 6 , Atomic frequency standards generally include physical systems 1 and electronic circuits. The physical system 1 includes a C-field coil 1a, a microwave cavity 1b, and the like. The electronic circuit mainly includes an isolation amplifier 2, a microwave multiplier, a frequency mixer 3, a synthesizer 4, a servo circuit 5 and a voltage-controlled crystal oscillator 6. The servo circuit 6 includes a pre-amplifier and a lock-in amplifier. Based on this, see Figure 7 , Embodiment 3 of the present invention provides a device for optimizing long-term stability parameters of an atomic frequency standard, which specifically includes:
[0111] Setting module 301, modulation depth adjustment module 302, modulation frequency adjustment module 303, microwave power adjustment module 304 and calculation module 305;...
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