First, the tests, different sounds at different frequencies.

首先是检测环节，不同的频率可以听到不同的声音。

Each picture is at a different spectral frequency, so contains different information.

每张图片的光谱频率不同，所以包含信息也不同。

Different tissues emit different radio frequencies which a computer turns into images.

不同组织发出截然不同的无线电频率在计算机上变成图像。

And, just like harp strings, the fibers resonate at different frequencies.

就像竖琴弦一样，这些纤维以不同的频率共振。

They produce a bunch of different frequencies and those aren't random.

它们产生不同的频率而这些频率不是随机的。

But that altered feather shape also meant the birds' fluttering produced a different frequency.

但羽毛形状的改变也意味着鸟儿拍打翅膀产生了不同的频率。

What's interesting, is that these blocks occur at different frequencies.

有趣的是，这些块以不同的频率出现。

" They usually have the wing on a different frequency, " Kynes said.

“他们通常有不同频率的机翼，”凯恩斯说。

This station broadcasts on three different frequencies.

【frequency】这家电台以三种不同的频率广播。

So we have tiny hair cells that respond to different frequencies.

所以我们有微小的毛细胞，可以对不同的频率做出反应。

And so different colours and different frequencies or different wavelengths of light, we have different responses and different reactions to them.

所以不同的颜色和频率或不同的光的波长，我们对它们会有不同的反应。

Ham radio, just like all kinds of radio communication, uses different frequencies to communicate.

业余无线电，就像各种无线电通信一样，使用不同的频率进行通信。

First, Gordon's team gave 30 volunteers a hearing test-the standard type, where different frequencies of tones are played at varying loudness.

首先，戈登的研究团队让30名志愿者进行了一项听力测试——这是一种标准的听力测试，以不同音量播放不同频率的音调。

Lossy audio compressors takes advantage of this, and encode different frequency bands at different precisions.

有损音频压缩器利用了这一点，并以不同的精度对不同的频段进行编码。

So those are the lowest level that you can detect sound across different frequencies or pitches.

因此，这些是您可以检测到不同频率或音高的声音的最低水平。

And this trick works even if the signal is composed of a bunch of different frequencies.

即使信号由一堆不同频率组成，这个技巧仍然有效。

The noises we add to the ocean come in all different frequencies and can travel great distances.

我们添加到海洋中的噪音具有各种不同的频率，并且可以传播很远的距离。

Each of those data points must be multiplied by the eight different frequency waves.

每个数据点都必须乘以八个不同频率的波。

If we think about the different frequencies of light, our brain perceives that as different colors.

如果我们考虑不同频率的光，我们的大脑就会将其感知为不同的颜色。

To complete one discrete Fourier transform requires multiplying N data points by N different frequency waves.

要完成一次离散傅立叶变换，需要将 N 个数据点乘以 N 个不同频率的波。