实验证明该方法压缩比高、速度快,压缩后能保持信号与图像的特征不变。
The test shows that the compression method has higher compression ratio and faster speed, and keeps invariable characteristic of signal and image.
实验结果表明:该方法不仅能够很好地保持信号的形状,而且信噪比较高、均方误差较小;
The results of experiments show that the proposed method can raise Signal-to-Noise Ratio (SNR), decrease Mean Squared Error (MSE) and preserve the shape of signal;
它的特点是压缩比高,压缩速度快,压缩后能保持信号与图像的特征不变,且在传递中可以抗干扰。
It has advantages of high compression rate, high compression speed, unchangeable signal and image characteristics after compression, and anti-interference under transmitting.
当原始数据的信噪比较低时, 阈值的选择受大振幅噪音的影响,使压缩比略有下降,但仍然能够保持信号基本不失真。
The results showed that, enen with compression ratio of more than 200, the data could be reconstracted with out significant loss of useful signals by the method.
连续相位调制由于其具有恒定包络幅度且对任意的调制信息序列能保持信号的相位连续,从而能够有效的改进信号的频谱特性。
The continuous phase modulation has the constant amplitude and its phase is continuous, which make the signal has a very good power spectrum.
为了避免干扰,保持望远镜的灵敏度,无线电望远镜被建在没有人为的无线电波或电子信号的地方。
To avoid interferences, and keep the telescopes sensitive, radio telescopes are built in places where there are no human radio waves or electronic signals.
轮廓调制结合了一种相位调制信号的波形和放大器的输出阻抗,可在某个较大型输出电源关闭后保持更高的效率。
Contour modulation is a technique in which a phase-modulated signal waveform and amplifier output impedance work together to maintain higher efficiency over a sizable output power back-off.
你的内心也会得到正面的信号,让你保持在健康状态。
Your mind will also get positive signals that will keep you at a healthy state.
供给线路的麻烦也是危险关系的另一种信号,但美国及其盟友必须保持在阿富汗的持续战斗。
The supply-route troubles are yet another sign of the precarious relationships that the United States and its allies must maintain to continue the fight in Afghanistan.
绑匪通过发射电波信号同科学家联络。科学家保持电波发射联络。
The kidnappers contacted the scientist by emitting the radio signals the scientist kept in touch with the emission.
著有《保持联系:克服害羞指南》一书的心理学家阿瑟·沃斯默说:“害羞的人发出冷漠或退缩的信号,并且常常意识不到。”
"Shy people send out signals of coolness or withdrawal, often without realizing it," says psychologist Arthur Wassmer, author of Making Contact: a Guide to Overcoming Shyness.
通过举起重物,你在向自己的身体发送一个信号:你想保持身体的肌肉,你只是想减掉脂肪而不是减掉肌肉。
By lifting heavy weights, you are sending a signal to your body that you want to preserve your muscle mass, and that you only want to lose fat, not muscle.
然而,农民根据新的市场信号,通过种植干旱作物保持了农业生产地稳定。
Yet farmers have responded to the new market signals by switching to less thirsty crops and kept the value of farm output stable.
如果探测器与火星保持静止,那么它向地球发出的信号将会产生频率畸变。由此,我们可以推算出火星轴线的扰动率。
If the rover were not moving, the frequency distortions of its signals to Earth would reveal the rate of wobbling in Mars's axis.
简单的说,当大脑“轻松愉快”的时候,它会向各个器官发出有助于保持身体健康的信号。
In simple terms, when the brain is "happy" it sends messages to our organs that help keep the body healthy and sound.
第二个原理是怎样对待所有那些杂乱无章和不需要存储的物品,这些东西可能就是你愿意保持老习惯而不改的一种信号,不管这些东西是好是坏的,要 是在一年左右的时间里不用,就应该把它们处理掉。
This may be a sign that you wish to hold onto old habits, whether they are good or not. Discard unused items that have not been used in a year or so.
在起初发表两次评论、淡化信号接收问题之后,苹果保持了沉默。
Apple had maintained silence after making two comments early that downplayed the reception problem.
当测试开始的时候,他们必须将它们的微笑至少保持10秒,直到听到结束的信号。
Once the test, has begun, they have to hold their smile for 10 seconds before a buzzer goes off indicating the test has finished.
霍金的说法是,人类大概应该保持沉默,避免往外太空发射信号。
Hawking's argument was that perhaps mankind should stay quiet and refrain from trying to send signals into outer space.
如果你想要长期保持单一配偶关系,那就要给丘比特发出正确的信号。
If you want to enjoy monogamy indefinitely, send Cupid the right signals.
等到他或她醒来,病人可能已经死了有一会儿了。但是如果你能发现预警信号并让你屋里的另一个人保持警醒,那才能拯救生命。
By the time [he or she] wakes up, the patient may have been dead for a while, but if you have a warning sign and can alert another person in your house, that can be lifesaving.
信号量对于系统的作用就像是十字路口的信号灯:一种保持系统运行顺畅的机制。
A semaphore is to your system what a traffic signal is to an intersection: a mechanism that keeps things running smoothly.
其中大部分用来维持突触,让大脑即使在无事可做时也保持警觉。突触是神经细胞间的连结,脉冲信号通过它们在细胞间传导。
Most of this energy goes towards maintaining synapses, the junctions across which impulses jump from nerve cell to nerve cell, keeping the brain alert even when it is not doing anything.
其中大部分用来维持突触,让大脑即使在无事可做时也保持警觉。 突触是神经细胞间的连结,脉冲信号通过它们在细胞间传导。
Most of this energy goes towards maintaining synapses, the junctions across which impulses jump from nerve cell to nerve cell, keeping the brain alert even when it is not doing anything.
危险在于,即便当消费者价格没有太多增长,而且利率保持在极低水平时,各国央行也将再次错失泡沫正在形成的信号。
The danger is that central bankers will again miss signs that bubbles are forming even when consumer prices don't rise much and keep interest rates too low as a result.
对那些能够作出判断并得出结论表明世行在公共目的方面同其机构保持一致的职业人士而言,这一结论是一个很重要的信号。
And for that body of people whose profession it is to make those judgments to come to the conclusion we are aligned with them with respect to those public purposes, that's a very important signaling.
M大爷:我们发现,DNA在水中会有结构上的变化,这个变化在即使高度稀释也会保持,并且这个变化会导致DNA发射电磁信号,而我们可以检测这个信号。
L.M. : What we have found is that DNA produces structural changes in water, which persist at very high dilutions, and which lead to resonant electromagnetic signals that we can measure.
M大爷:我们发现,DNA在水中会有结构上的变化,这个变化在即使高度稀释也会保持,并且这个变化会导致DNA发射电磁信号,而我们可以检测这个信号。
L.M. : What we have found is that DNA produces structural changes in water, which persist at very high dilutions, and which lead to resonant electromagnetic signals that we can measure.
应用推荐