cardioid

Construct rotating cardioid and astroid while remaining orthogonal to each other.

作旋转的心脏线和旋转的星状线,且彼此维持正交.

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Construct an animation displaying a cardioid sliding along two fixed mutually perpendicular lines.

建构一动态绘图.展示心脏线的滚动,沿著互相垂直的两轴.

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Construct rotating cardioid and nephroid while remaining orthogonal to each other.

作旋转的心脏线和旋转的肾脏线,且彼此维持正交.

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Construct rotating cardioid and deltoid while remaining orthogonal to each other.

作旋转的心脏线和旋转的三角线,且彼此维持正交.

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Construct an animation displaying a pair of orthogonal tangents of a fixed cardioid.

建构一动态绘图.展示给定的心脏线外一对的正交切线.

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If the mic is a condenser with pattern selection, use super cardioid or cardioid.

如果选择电容麦, 那么就用心型或超心型指向的.

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What does the cardioid envelope?

心脏线的包络为何?

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In most cases, a cardioid pattern ( directional ) will produce more gain - before - feedback than an omni - directional microphone.

在大多数情况中, 心形图型 ( 指向性 ) 相比无指向性麦克风会得到更多的反馈前增益.

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The cardioid pattern can also be used to reduce of an orchestra or audience noises.

心形也可用于减少管弦乐队或观众的噪声.

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