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PekingUniversity声雷达的应用主要参数• 脉冲频率 : 1500-2000 Hz• 脉冲宽度 : 50-200 ms• 脉冲重复周期 : 2-10 s2008-11-15 114/119 刘树华
PekingUniversity2008-11-15 115/119 刘树华
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PekingUniversity大气探测学
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§ 5.1 概述PekingUniversity温
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PekingUniversity2. 水的沸点
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PekingUniversity温度尺度绝
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PekingUniversity二、测温方
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§5.2 测温元件PekingUniversi
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PekingUniversity液体玻璃温
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PekingUniversity(1) 水银玻璃
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PekingUniversity最高温度表
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PekingUniversity最低温度表
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二、双金属片测温元
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PekingUniversity双金属片温
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PekingUniversity2008-11-15 25/119
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双金属片温度计测温
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双金属片温度计测温
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三、热电偶温度计Peki
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PekingUniversity根据导体的
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PekingUniversity一种是测定
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PekingUniversity热电偶的电
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PekingUniversity气象上使用
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PekingUniversity使用热电偶
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PekingUniversity在大气测温
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2. 金属电阻测温电路P
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PekingUniversity当环境温度
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PekingUniversity假设 r = r , 则
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PekingUniversity(2) 双滑臂测
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PekingUniversity其中 Rtmax 和 R
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PekingUniversity存在问题 :(1
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PekingUniversity将 (5.15a) 式代
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PekingUniversity为了使输出
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PekingUniversity当 T=T 0 时 ,R T
Page 63 and 64: 线性化输出平衡电桥
Page 65 and 66: PekingUniversity解上述联立
Page 67 and 68: PekingUniversity由 (1)、(2)、(3)
Page 69 and 70: PekingUniversity将 (4) 式代入
Page 71 and 72: PekingUniversity电位器的数
Page 73 and 74: PekingUniversity一、热滞系
Page 75 and 76: 二、环境温度恒定时
Page 77 and 78: PekingUniversity由 (5.30) 可见
Page 79 and 80: PekingUniversity若温度表示
Page 81 and 82: PekingUniversity例 5: 阿斯曼
Page 83 and 84: PekingUniversity对 (5.33) 求解
Page 85 and 86: PekingUniversity求 (5.37) 式齐
Page 87 and 88: PekingUniversity当 τ = 0,T = T 0T
Page 89 and 90: PekingUniversity例 : 百叶箱
Page 91 and 92: PekingUniversity§5.4 气温测
Page 93 and 94: 气温测量中的防辐射
Page 95 and 96: 5.4.1 百叶箱PekingUniversity
Page 97 and 98: 百叶箱PekingUniversity高 537
Page 99 and 100: 5.4.2 通风干湿表PekingUniv
Page 101 and 102: 5.4.3 防辐射罩PekingUniversi
Page 103 and 104: 微气象观测系统PekingUn
Page 105 and 106: PekingUniversity(2) 直管地温
Page 107 and 108: PekingUniversity2008-11-15 107/119
Page 109 and 110: PekingUniversity(5) 深层地温
Page 111 and 112: PekingUniversity§5.6 声雷达
Page 113: PekingUniversity2008-11-15 113/119
Page 117 and 118: PekingUniversity2008-11-15 117/119
Page 119: §5.6 复习思考题PekingUniv
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