50 lines
1.0 KiB
Python
50 lines
1.0 KiB
Python
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from math import log
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Rr = 10000.0
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A = -6.01188
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B = 4622.53337
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C = -86421.72414
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R=13226
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t= 2*C/((B**2-4*C*(A-log(R)))**0.5-B)-273.15
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print(R,t)
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x=9.0878
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y= -0.112*x**3+4.8477*x**2-85.572*x+489.01
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print(y)
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A=0.4116
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B=0.931
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C=-9
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y= (-B+ (B**2-4*A*C)**0.5)/2/A
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print(y)
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y=359 #180
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combined = round(y / 0.00205479)
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low16 = combined & 0xFFFF
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high4 = (combined >> 16) & 0xF
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#d = (high4 << 16) | low16
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d = (low16 << 16) | (high4 << 0)
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print(f"特殊公式8反推：y={y} low16={hex(low16)}，high4 = {hex(high4)}, d={hex(d)}")
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# y = 30
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# if y < (0.0973 * 1840 + 180): # 区间1：y < 359.032
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# m = (y - 180) / 0.0973
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# elif y > (0.0974 * 1840 - 179.46): # 区间2：y > -0.444
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# m = (y + 179.46) / 0.0974
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# else: # m=1840
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# m = 1840.0
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y = 150 #30，240
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if y < (180): # 区间1：
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m = (y + 179.46) / 0.0974
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elif y > (180): # 区间2：
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m = (y - 180) / 0.0973
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else: # m=1840
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m = 0.0
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print(f"特殊公式11-1反推：y={y} d={ float(round(m))}")
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# 组帧需要整数，返回四舍五入
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#return float(round(m))
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