Polar Mesospheric Summer Echoes. I don't think this parrot will fly back home . On 27 July, the blips reappeared. 电缆的其余部分介于-30dB和-40dB回波 损耗之间。 The rest of the cable is between -30 dB and -40 dB return loss. This condition can cause radar signals to bend and give false returns .
Figure 3B shows a regional map of basal echo power after normalization; The echo signal contains the information to be tested directly or indirectly. The final trick voice assistants employ is automatic echo cancellation(AEC). 当从回波 引脚检测到低信号时,我们停止定时器1并开始计算。 When a low signal is detected from the echo pin, we stop timer 1 and start our calculation. Later, a fourth verification was added, that is, the time delay of radar echo . 它们可能是具有金属面的充气结构,用以反射和掩盖雷达回波 。 These can be inflatable structures with metallic sides that reflect and obscure radar returns . 在1995年期间,跟踪了约2,630次卫星通过,记录了7百万回波 。 During the 1995 about 2630 satellite passes were tracked and about 7 millions echoes recorded. 在室温下隔离度(图2)和回波 损耗(图3)的典型值都是25dB。 Isolation(see Figure 2) and return loss(see Figure 3) are both typically 25 dB at room temperature. R&SAREG100汽车雷达回波 发生器――可靠及引领未来的汽车雷达传感器生产测试仪. R&S AREG100A automotive radar echo generator- the reliable and future-proof production tester for automotive radar sensors. 经度-65°和-70°周围两条直线回波 分布被怀疑是人为空间碎片。 Two straight line echo distributions around latitude -65° and -70° are suspected to have originated from man-made space debris. 下一组数字表示定义回波 的方位角(86度方向40海里,199度距离115海里)。 The next set of numbers indicates the azimuth that defines the echo (86° at 40 NM and 199° at 115 NM). OEM应用包括损耗测量,拼接和回波 损耗测量,总回波 损耗测量。 OEM applications include loss measurement, splice and return loss measurement, and total return loss measurement. 激光位移传感器采用回波 分析原理来测量距离以达到一定程度的精度。 The laser displacement sensor uses the principle of echo analysis to measure the distance to achieve a certain degree of accuracy. 而更小的污染颗粒会造成信号衰减和回波 损耗,并有可能会对连接器造成永久性损害。 Smaller soils increase signal attenuation and return loss and have the potential to cause permanent damage to the connectors. 有在约9,5千兆赫,这是-20分贝回波 损耗(99%的信号传递和被反射1%)的峰。 We're down to one spike around 9.5 GHz, which is at -20 dB return loss(99% of the signal gets through and 1% gets reflected). 当目标与雷达之间存在相对运动时,雷达接收到目标回波 的频率就会产生变化。 If there is relative movement between the target and the radar, the frequency at which the radar receives target echoes will change. CH-101有一个嵌入式PMUT,它发射超声波脉冲并接收来自传感器视场中物体的回波 。 The CH-101 has an embedded PMUT that emits ultrasonic pulses and receives echoes from objects that are in the sensor's field of view. 光纤尾纤:插入损耗低,回波 损耗高,具有良好的互换性和重复拔插性,使用非常方便。 Fiber pigtail: low insertion loss, high return loss, good interchangeability and repeated insertion and insertion, very convenient to use. 此外,均匀性、回波 损耗、方向性、PDL都在光纤分路器的性能指标中占据非常重要的位置。 In addition, uniformity, return loss, directivity, and PDL all play a very important role in the performance of optical fiber splitters. 回波 损耗(或者反射丢失)是指链路中反射的衔接器光强度抑制,典型的数值不应当低于25dB。Return loss(or loss of reflection) refers to the connector light intensity reflections in the link, typical values should not be less than 25 dB. 外星人外观的F-117具有相似钻石的刻面外观,旨在削减雷达回波 并最大程度地削减其在敌方雷达上的标志。 The alien-looking F-117 featured a diamond-like, faceted exterior designed to reduce radar returns and minimize its signature on enemy radars. 回波 损耗(ReturnLoss)是指连接器对链路光功率反射的抑制能力,其典型值应不小于25dB。Return loss(or loss of reflection) refers to the connector light intensity reflections in the link, typical values should not be less than 25 dB. 亚马逊表示其回波 空间感知特征(ESP)确定哪个设备听到你最好和发送答案只有到那块的硬件。 Amazon says that its Echo Spatial Perception feature(ESP) determines which device hears you the best and sends answers only to that piece of hardware. 此外,回波 状态网络可以通过强化学习以及监督学习来训练(Bush,2007;Hoerzeretal.,2014)。 Additionally, echo state networks can be trained by reinforcement learning as well as supervised learning(Bush, 2007; Hoerzer et al., 2014). 光线回波 显示,CircinusX-1距离地球约30,700光年,并解决了以前研究中发表的结果差异。 The light echo shows that Circinus X-1 is located about 30,700 light years from Earth, and settles the difference in results published in prior studies.
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时间: 0.0283
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