查询词典 sideband

The helicopter's cockpit can be fitted with a BG-06 radio altimeter, Type 150 single-sideband radio, and KJ-13 autopilot, and can choose the KDF-806 radio compass, KTR-908 radio, and TB-31 intercom as optional.

直升飞机的驾驶员座舱能够配备有一部BG-06型无线电测高计、150型单波段无线电和KJ-13型自动驾驶仪，并可选KDF-806型无线电罗盘、KTR-908型无线电和TB-31型对讲器。

For the limitations of the bandwidth and precision of manufacture, rat-race upper-sideband balanced mixer is utilized in order to realize up conversion.

出于工作带宽和加工精度等方面的因素的考虑，设计采用的是环形电桥单边带平衡混频器来实现上变频。

This paper discussed the double sideband noise figures and single side band noise figures of the superheterodyne receivers in a ideal hypothesis and the practical case respectively.

分别讨论了在理想假设和实际情况下超外差接收机的双边带噪声系数和单边带噪声系数，给出了单边带接收机的某些设计方案。

The performance of vestigial sideband CSRZ format employing two kinds of filters is experimentally demonstrated with meaningful results.

实验验证了两种滤波器对载波抑制归零码系统表现的影响，得到了有益的结论。

Multilevel vestigial sideband modulation in HDTV can be implemented by analog or digital method.

高清晰度电视中的多电平残留边带调制既可用模拟的方法也可用数字的方法实现。

The nonlinear crosstalk due to cross-phase modulation was studied by a new analysis model in single-sideband radio over fiber systems, and the results were compared with that of the pump-probe method,which could be used to analyze different links, in particular, electrooptical upconversion links.

利用非线性薛定谔方程，推导计算了基于光学单边带调制的光载射频链路中交叉相位调制引起的非线性串扰，建立了新的分析模型，并和抽运探测法进行了比较。

You can also achieve the suppression matlab simulation carrier single sideband amplitude modulation, including the output of each node signal frequency spectrum.

详细说明：你也matlab实现抑制载波单边带调幅的仿真，包括输出各个节点的信号频谱图。

The performance of the vector modulator is proved by experimental results. In addition, applications of the vector modulator in practical systems such as adaptive antenna array are presented, with its calibration method to improve carrier and sideband suppression.

最后给出了矢量调制器的测试结果和它在自适应天线阵等实际系统中的应用情况，并讨论了用于提高载波和边带抑制、满足高精度要求的校准方法。

This investigation presents a novel modulation approach for generating optical vector signals using frequency multiplication based on double sideband with carrier suppression.

本篇论文提出一种新型的光调变技术，此种调变技术可以传输向量讯号并具有倍频效果。

modulation is the transmission of information to be loaded onto a high-frequency signal in the process.amplitude modulation using signal to control the rate of carrier,with its linear modulation signal changes,and maintain the same carrier frequency.in the amplitude modulation,in accordance with the strength of signals in the spectrum of different components,it is divided into ordinary am (amplitude modulation standard am),with inhibition of bilateral carrier am,the carrier single sideband suppression am.the main difference is the different methods and structure of the spectrum.

摘 要：调制是将要传送的信息装载到某一高频信号上去的过程。振幅调制是用调制信号去控制载波的幅度，使其随调制信号线性变化，而保持载波的频率不变。在幅度调制中，根据已调信号的频谱分量不同，分为普通调幅、抑制载波的双边带调幅、抑制载波的单边带调幅。它们的主要区别是产生的方法和频谱结构不同。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。