For nonuniform quantizer, such as μ-law and A-law, the SNR for low-level signals increases at the expense of the SNR for high-level signals.

2022-06-07

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Which one is necessary for the activity of respiratory center? A: afferent signals from the pulmonary stretch receptor. B: afferent signals from the proprioceptors in the respiratory muscle. C: certain level of PCO2. D: certain level of hypoxia. E: certai level of H+
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ENUM类型的字段level定义为（LOW、MIDDLE、HIGH），ORDER BY level asc的顺序是 A: HIGH、LOW、MIDDLE B: LOW、MIDDLE、HIGH C: MIDDLE、LOW、HIGH D: HIGH、MIDDLE、LOW
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雨课堂: 语法判断 With the reflecting elements, an RIS can constructively combine the reflected signals to achieve a high level of energy, and further reconstruct the radio scattering environment into an intelligent one.
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Generally speaking, human needs develop from low level to high level.（）
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In Internet consumption, people's needs are developing from high level to low level.