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单词 频谱
释义

频谱 ()

frequency spectrum
spectrogram

频谱 noun ()

spectra n
radio spectrum n

频谱 noun, plural ()

decays pl

Examples:

中国无线电频谱管理和监测

China state radio regulation committee SRRC

See also:

n

table n
list n
chart n

score (music)
register
set to music
spectrum (physics)

External sources (not reviewed)

据统计,现在全球领先的 150 家运营商中已经有超过 74 家获得 了 TDD 频谱,更多主流运营商开始重视 TDD 频谱的发展。
tdia.cn
According to statistics, currently more than 74 operators among
[...]
global 150 leading ones
[...] have obtained TDD frequency band, and more and more leading operators start to pay attentions on the development of TDD spectrum.
tdia.cn
现在,若您点击屏幕左上方的红色按钮启动示波器,然后对着测量话筒讲话,您应当 可以看到示波器频谱分析 仪器中的信号变化。
virtins.com
Now, if you start the oscilloscope by pressing the red button at the upper left corner of the screen, and then
[...]
talk before the measurement microphone, you should be able to see your “voices” in the
[...] Oscilloscope and Spectrum Analyzer.
virtins.com
有意见认为,应当特别关注所有国家平等利用地球静止轨道上的轨道频 谱资源 ,同时认识到其在有益于享受服务最少的社区的社会方案方面的潜力, [...]
使教育和医疗项目成为可能,保障人们能够使用信息和通信技术,改善与必要 信息来源的链接以加强社会组织性,在没有商业利益介入的情况下推广知识并 促进知识交流。
daccess-ods.un.org
The view was expressed that special
[...]
attention should be given to
[...] equitable access for all States to orbit-spectrum resources in [...]
geostationary orbit while recognizing
[...]
its potential with respect to social programmes that benefited the most underserved communities, making educational and medical projects possible, guaranteeing access to information and communication technology and improving links to necessary sources of information in order to strengthen social organization, as well as promoting knowledge and the exchange thereof without commercial interests acting as intermediaries.
daccess-ods.un.org
其中包括阶次 跟踪分析、实时瀑布图和谱图、倍 频 程 分析、轨道图和 频谱 分 析
bksv.cn
Order tracking analysis, real-time waterfalls and spectrograms, octave band analysis, orbit plots and cepstrum analysis are all available.
bksv.jp
前瞻性声明涉及的可引起差异的风险和不确定因素包括:在解决特定用户或地域的网络安装和运行难题中出现的困难;对特定部署过程中产品实际性能造成影响的因素,可导致吞吐量 频谱 范 围 及其他性能标准比实验室测试结果低;超出公司控制范围的因素,如天气、地域条件、政府因素、贸易和风俗、干扰以及其他第三方问题;特定用户在特定情况下的特殊要求;第三方引入的新型和增强型产品;以及在按客户所需的功能、性能、合规性、认证水平、成本、价格及其他特性提供产品过程中出现的困难或延迟。
tipschina.gov.cn
The forward-looking statements involve risks and uncertainties that could contribute to such differences including difficulties in overcoming the network installation and operational challenges relating to any specific customer or geographical area; factors affecting actual product performance in specific deployments, which could result in lower throughput, range, and other performance criteria than achieved in laboratory tests; factors beyond our control such as weather, geographic, governmental, trade and customs, interference, and other third-party issues; specific requirements of a given customer in their specific situations; new or enhanced products introduced by third parties; and difficulties or delays in supplying products with the features, performance, compliances, certifications, cost, price, and other characteristics desired by customers.
tipschina.gov.cn
2010 年,艾滋病署协助各国使频谱模式 ,产生个别国家关于艾滋病毒流行率和发病 [...]
率、艾滋病死亡人数和艾滋病毒所需服务的估计数。
daccess-ods.un.org
In 2010, UNAIDS assisted countries
[...] in using the Spectrum model, which [...]
generates countryspecific estimates for HIV prevalence
[...]
and incidence, AIDS deaths and service needs for HIV.
daccess-ods.un.org
即便在相对广阔的5GHz频段,制造商仍需为设备提供自动跳频功能,以便合理利用现有资源并节 频谱。
litepoint.com
Even in the relatively expansive 5 GHz band,
[...]
manufacturers will need to adapt automatic radio tuning capabilities to use the available resources
[...] wisely and conserve spectrum.
litepoint.com
世界无线电通信会议(WRC-12)于 2012 年 1 月 23 日至 2 月 17 日在日内 瓦举行,会议为气象卫星系统界定了一个新 频谱 , 以 加强气象业务,特别是 在数值天气预报方面的业务;分配了另一个 频谱 窗 ”用于地球勘探卫星服 务,以改进对水文循环组成部分的测量;并通过了一项决议,其中该会议要求 国际电联无线电通信部门研究“增进对地球观测无线电通信卫星应用的重要作 用和全球意义的认识的可能途径”。
daccess-ods.un.org
The World Radiocommunication Conference (WRC-12) held in Geneva from 23
[...]
January to 17 February
[...] 2012 defined a new spectrum for meteorological satellite systems in order to improve operational meteorology, in particular with respect to numerical weather prediction; allocated an additional “spectrum window” for use by [...]
the Earth exploration
[...]
satellite service in order to improve the measurement of hydrological cycle components; and adopted a resolution in which the Conference called for studies by ITU-R “on possible means to improve the recognition of the essential role and global importance of Earth observation radiocommunication applications”.
daccess-ods.un.org
DirectSound的应用使得播放器可以独立控制音量,节拍,播放速率,音高和均衡器值:通过电平表 频谱 分 析 仪、示波器和波形的显示提供视觉反馈。
evget.com
The use of DirectSound allows the allocated players to have a separate control over Volume, Tempo, Playback Rate, Pitch and
[...]
Equaliser values: visual feedback is provided through
[...] embedded VU-Meter, Spectrum Analyser, Oscilloscope [...]
and Waveform display.
evget.com
与此同时,以 TD-LTE 为代表的 TDD
[...] 技术在全球的兴起,使得 TDD 频谱的高效利用成为可能,TD-LTE [...]
优异的技术性能、与 LTE FDD 融合形成具有规模优势的产业链,使 TD-LTE 成为全球实现移动 宽带化发展的重要基础之一,TDD
[...]
技术成为未来无线市场的重要接 入手段。
tdia.cn
Meanwhile, the rise of TDD technology represented by TD-LTE
[...]
around the world makes the efficient
[...] utilization of TDD spectrum possible, TD-LTE, [...]
with its excellent technology performance,
[...]
converged with LTE FDD to form industry chain characterized by scale advantage, and to make TD-LTE one of key foundations for achieving mobile broadband development.
tdia.cn
仪器必须要有相应的测量功能,
[...] 用于测量两点间的距离、二维图像的面积、血流 速度时间间期、以频谱多普 勒的压力梯度峰值 和均值。
asecho.org
Measurement capabilities must be present to allow measurement of the distance between two points,
[...]
an area on a 2D image, blood flow velocities, time intervals, and peak and
[...] mean gradients from spectral Doppler studies.
asecho.org
将此白噪声送入到被测设备(DUT)的输 入端,然后用示波器频谱分析 仪采集和分析被测设备的输出。
virtins.com
The white noise will be injected into the DUT (Device Under Test), and the response of the DUT will be captured and analyzed by the Oscilloscope and Spectrum Analyzer.
virtins.com
国际电联最近规定了全球无线接口标准,用于能够提供无线宽带接入的下 一代国际移动通信系统;这也包括提供额外的无线 频谱 , 以满足对于及时铺设 移动宽带网络的不断增长的需求。
daccess-ods.un.org
ITU has recently established global standards for the radio interface for the next generation of the international mobile telecommunication family of systems able to provide wireless broadband access;
[...]
this also includes the availability of
[...] additional radio frequency spectrum to meet growing [...]
requirements for the timely deployment of mobile-broadband networks.
daccess-ods.un.org
崩溃指数是基于小波分析,取决于采样频率,即所有的分析技术 频谱 测 量 不及时。
zh-cn.iniciantenabolsa.com
The crash index is based on wavelet analysis that depends on
[...] the sampled frequency, ie the spectrum measurement [...]
is not in time as all analysis techniques do.
en.iniciantenabolsa.com
另外,其它公司的FFT分析与HIOKI的产品 线频谱的计 算结果可能有所不同,使用窗口功能时,可通 过能量衰减补偿的方法来解决此问题。
hioki.cn
Furthermore, a difference in calculation results of line spectrum between other companies’ FFT analyzers and HIOKI’s analyzer can be compensated by selecting the energy attenuation compensation method when using a window function.
hioki.com
从2010年起,这座中国射频谱日像 仪将“调”到太阳的“波段”,捕捉来自日冕物质抛射现象的低频射电波。
chinese.eurekalert.org
Starting in
[...] 2010, the Chinese spectral radioheliograph (CSRH) will “tune in” to the Sun to capture low-frequency radio bursts [...]
of a phenomenon known as coronal mass ejection.
chinese.eurekalert.org
特别报告员重申了《科伦坡宣言》有 关部分第 3
[...] 段中对各国政府的呼吁,即“制定国家政策,解决穷人获取和参与信 息和通信的问题,包括获得许可证和公平 频谱 分 配 ”。
daccess-ods.un.org
The Special Rapporteur reiterates the call to Governments, made in paragraph 3 of the relevant section of the Colombo Declaration, to “develop national policies that address access to, and participation in,
[...]
information and communication for people living in poverty, including access to
[...] licenses and fair spectrum allocation”.
daccess-ods.un.org
比如, 1826 年, N. I. 洛巴切夫斯基写下 有关发现非欧几里得几何的最初研究文章和 1944 年 C. A. 阿尔特舒勒的研究对发 展磁放频谱检验(radiopectroscopy)产生很大的影响以及 E. Z. 扎沃夫斯基发现 了电子顺磁谐振效应。
unesdoc.unesco.org
For example, in 1826 N. I. Lobachevsky wrote the first works on discovery of non-Euclidean geometry and in 1944 C.A. Altshuler’s research had a significant influence on the development of magnetic radiopectroscopy and E.Z. Zavoysky discovered the electronic paramagnetic resonance effect.
unesdoc.unesco.org
这款紧凑型Raman激光分光仪采用ADI公司的精密模数转换器技术,将通过读取10种不同品牌德国啤酒各自 频谱 特 征 来区分它们。
analog.com
Incorporating ADI’s A/D converter technology, the compact Raman laser spectrometer will distinguish from among 10 brands of German beer by reading the signature spectrum of each.
analog.com
如需在非常宽敞的房间或专用家庭影院中使用,我们建议增加一个
[...] BeoLab 2 超重低音扬声器,以便在频谱条件 下获得最可靠的震撼效果。
bang-olufsen.com
For use in a very large rooms or dedicated home theatres, we recommend adding a BeoLab 2 subwoofer for
[...] definitive power in the low spectrum.
bang-olufsen.com
为了应对移动电话
[...] 的迅速增长,各国在采取各种国际和区域做法与标准的同时,实行了灵活的许可 制度和创新频谱管理做法。
daccess-ods.un.org
In response to the rapid growth of mobile phones,
[...]
countries introduced flexible licensing
[...] and innovative spectrum management practices [...]
along with adoption of international
[...]
and regional practices and standards.
daccess-ods.un.org
宽带的迅速增长带来技 术和监管方面的挑战,涉及标准 频谱 、 投资和竞争市场等。
daccess-ods.un.org
The rapid growth of broadband raises technical and regulatory challenges
[...] concerning standards, spectrum, investment and [...]
competitive markets.
daccess-ods.un.org
超声心动图检查结果的
[...] 某些部分,譬如 M-型图谱和多普频谱的测 量 结果可以用适当介质作为静态图象保存。
asecho.org
Portions of the echocardiographic examination such as M-mode frames
[...] and Doppler spectral measurements [...]
may be displayed and recorded as a static
[...]
image on media appropriate to the laboratory situation.
asecho.org
该快速扫频微波源在扩频通信频谱 侦 测 与干扰等领域具有重要的应用价值。
chinese.eurekalert.org
This Broadband high-speed
[...] microwave sweep-frequency source has the significant application value in the field of spread spectrum communication [...]
and electronic warfare.
chinese.eurekalert.org
发展信息和通信技术的挑战包括提供有
[...] 形的信息和通信技术基础设施、高成本带宽 频谱 管 理 、将信息和通信技术服务 扩展到农村、负担得起的收费以及提供电力和道路等其他基础设施。
daccess-ods.un.org
Challenges to ICT development included the availability of
[...]
physical ICT infrastructure, the high cost
[...] of bandwidth, spectrum management, the [...]
expansion of ICT services to rural areas,
[...]
affordable tariffs, and the availability of other infrastructure such as power and roads.
daccess-ods.un.org
而且MEM功能下测量得到的
[...] “原始数据”,与“存储波形”的计算结果可显示在同一画面中,这样就 可通过窗口效果在显示的同时确 频谱 波 形 ,提高分析时的操作性。
hioki.cn
Furthermore, the display of “Raw Data” obtained by measurement with the MEM function and the calculation results of “Storage Waveform” on the same screen
[...]
allows you to view the effect of the window
[...] function and the spectrum waveform on the [...]
same window, thus greatly enhancing operability for analysis.
hioki.com
就一项全频谱分配项目进行一项覆盖40多个国家的价值数亿美元的无线宽带活动提供法律意见。
squiresanders.com
Assisting in a global frequency spectrum allocation project [...]
for a multibillion-dollar wireless broadband project covering more than 40 countries.
squiresanders.com
例如:CSIRO和北京邮电大学正合作研究未来的移动通信和无线通信网络;北京大学与CSIRO正合作研究认知无线电干扰的消除;WiCO和麦格理大学正合作研究高效动态 频谱 共 享方案和4G小区间干扰的管理。
australiachina.com.au
For example: with CSIRO and BUPT research is underway in future mobile and wireless communications networks, Peking University is collaborating with CSIRO in interference cancellation in cognitive radio, while WiCO and Macquarie University are working on efficient, dynamic spectrum sharing schemes and 4G intercell interference management.
australiachina.com.au
鸟牌通过扩大产品和服务范围,满足现今复杂的通讯系统提出的挑战,鸟牌产品包 频谱 和 现 场分析仪、天线、整合系统、部件、双工器和三工器、滤波器、负载和衰减器、功率传感器和测量计、功率监控器、信号放大器、塔顶放大器和接收器多路耦合器、RF [...]
数据捕获和存储、RF
[...]
信号生成,及软件分析工具。
bird-electronic.com
The products and services offered by Bird have expanded to meet the
[...]
challenges of today's complex communications systems
[...] and include Spectrum and Site Analyzers, [...]
Antennas, Combining Systems, Components,
[...]
Duplexers and Triplexers, Filters, Loads and Attenuators, Power Sensors and Meters, Power Monitors, Signal Boosters, Tower Top Amplifiers and Receiver Multicouplers, RF data capture & storage, RF signal generation, and software analysis tools.
bird-electronic.com
通过放大我们关注的发射机的简单TX功率性能,我们认识到,所 有的TX测试中,从功率频谱发射 掩码可以为台阶中的每一步提供丰富的数据而不影响捕获时间。
litepoint.com
By expanding our focus beyond the simple TX power performance of the transmitter we
[...]
realize that all of the TX measurements,
[...] from Power to Spectrum Emission Mask [...]
could be made at each step providing a wealth
[...]
of data without impacting capture time.
litepoint.com
随便看

 

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更新时间:2025/3/31 15:02:00