M50 雷达、导航、遥控、遥测、天线综合 标准查询与下载

SJ 20684-1998 情报雷达图象传输设备发收端模块组通用规范

General specification of transmitter-receiver modules group for information radar image transmission equipment

SJ 20695-1998 地面雷达测试性设计指南

本规范规定了地面雷达测试性分析、设计、验证的要求和方法。 本规范适用于地面雷达测试性设计和管理，其它地面设备也可参照执行。

Testability design guide for ground radars

SJ 20694-1998 地面雷达维修性设计指南

本规范规定了地面雷达的维修性定量要求和定性要求，给出了维修性的建模方法、分配方法、预计方法、维修性设计准则、结构“三寿件”的维修性设计，电讯件的维修性设计等。 本规范适用于雷达及其配套设备。

Maintainability design guide for ground radars

ITU-R SA.1282-1997 风力测绘雷达和有源航天传感器在1260MHz附近的共享的可行性

Global warming is one of the most serious environmental problems for the planet Earth. The parameter known as SST is a useful indicator of global warming. It is very important to be able to monitor the SST continuously to clarify and to better understan

Feasibility of Sharing Between Wind Profiler Radars and Active Spaceborne Sensors in the Vicinity of 1 260 MHz

ITU-R SF.357-4-1997 与固定卫星业务系统共享相同频段的模拟角度调制无线电中继系统的干扰的最大允许值

Power flux-density limits where appropriate are contained in the Radio Regulations.

Maximum Allowable Values of Interference in a Telephone Channel of an Analogue Angle-Modulated Radio-Relay System Sharing the Same Frequency Bands as Systems in the Fixed-Satellite Service

ITU-R RS.1261-1997 92-95 GHz频段范围内星载云雷达和其他业务之间共享的可行性

The ITU Radiocommunication Assembly, considering that spaceborne cloud radar can determine the vertical profile of clouds and their global distribution; that these parameters are very important for determination of the Earth’s radiation budget and thereby predictions of global warming.

FEASIBILITY OF SHARING BETWEEN SPACEBORNE CLOUD RADARS AND OTHER SERVICES IN THE RANGE OF 92-95 GHz

ITU-R RS.1261 FRENCH-1997 92-95 GHz频段范围内星载云雷达和其他业务之间共享的可行性

The ITU Radiocommunication Assembly, considering that spaceborne cloud radar can determine the vertical profile of clouds and their global distribution; that these parameters are very important for determination of the Earth’s radiation budget and thereby predictions of global warming.

Feasibility of sharing between spaceborne cloud radars and other services in the range of 92-95 GHz

ITU-R M.1226 FRENCH-1997 50 MHz附近频段风廓线雷达的技术和操作特性

This Recommendation provides technical and operational characteristics of wind profiler radars in frequency bands near 50 MHz. The Recommendation includes representative power to the antenna line, necessary bandwidth, occupied bandwidth, representative antenna side-lobe suppressions and guidance for wind profiler radar sharing considerations. It also contains in Annex 1 representative values and minimum requirements on system performance for wind profiler radars in bands near 50 MHz.

TECHNICAL AND OPERATIONAL CHARACTERISTICS OF WIND PROFILER RADARS IN BANDS IN THE VICINITY OF 50 MHz

ITU-R S.1342 SPANISH-1997 运行在5 GHz频带下,航空无线电导航业务中国际标准微波着陆系统站和提供馈线向上传输业务的非地球同步移动卫星业务站之间配位距离的测定方法

The ITU Radiocommunication Assembly considering: a) that the aeronautical radionavigation service is allocated on a primary basis in the band 5000-5250 MHz; b) that the band 5000 to 5150 MHz is to be used for the operation of the international standard MLS for precision approach and landing. The requirements for this system shall take precedence over other uses of this band as per footnote S5.444 of the Radio Regulations (RR). For the use of this band, RR footnote S5.444A and Resolution 114 (WRC-95) from the World Radiocommunication Conference (Geneva, 1995) apply; c) that the WRC-95, added a Co-primary allocation for the fixed-satellite service (FSS) (Earth-to-space) in the 5091-5250 MHz band, limited to feeder links of non-geostationary-satellite (non-GSO) systems in the mobile-satellite service (MSS), and subject to coordination under Resolution 46 (Rev. WRC-95) (No.S9.11A); d) Resolution 114 (WRC-95); e) that RR 953 (S4.10) provides recognition that special measures are required for the protection of radio-navigation and safety services.

Method for determining coordination distances, in the 5 GHz band, between the international standard microwave landing system stations operating in the aeronautical radionavigation service and non-geostationary mobile-satellite service stations providing

ITU-R F.1337-1997 使用FMCW斜入射探测的自适应高频无线电系统和网络的频率配置

FMCW swept-frequency sounding has been used within centralized spectrum management networks to provide real-time channel evaluation (RTCE) for multiple HF circuits. Often referred to as “chirp” sounders, these devices provide the benefits associated with

Frequency Management of Adaptive HF Radio Systems and Networks Using FMCW Oblique-Incidence Sounding

ITU-R M.1226-1997 在50MHz附近频段的风力测绘雷达的技术和运行特征

50 MHz. The Recommendation includes representative power to the antenna line, necessary bandwidth, occupied bandwidth, representative antenna side-lobe suppressions and guidance for wind profiler radar sharing considerations. It also contains in Annex 1

Technical and Operational Characteristics of Wind Profiler Radars in Bands in the Vicinity of 50 MHz

ITU-R RS.1261 SPANISH-1997 92-95 GHz频段范围内星载云雷达和其他业务之间共享的可行性

The ITU Radiocommunication Assembly, considering that spaceborne cloud radar can determine the vertical profile of clouds and their global distribution; that these parameters are very important for determination of the Earth’s radiation budget and thereby predictions of global warming.

FEASIBILITY OF SHARING BETWEEN SPACEBORNE CLOUD RADARS AND OTHER SERVICES IN THE RANGE OF 92-95 GHz

ITU-R M.1085-1-1997 风力测绘雷达在400MHz频段附近的技术和运行特征

This Recommendation provides technical and operational characteristics of operational wind profiler radars in the bands near 400 MHz. The Recommendation includes representative power to the antenna line, necessary bandwidth, occupied bandwidth, representa

Technical and Operational Characteristics of Wind Profiler Radars for Bands in the Vicinity of 400 MHz

ITU-R M.2013-1997 风力测绘雷达

Wind profiler radars are radio systems which can be very helpful in weather forecasting applications. To be able to make use of the benefits of wind profiler radars, suitable radio frequency bands need to be identified for the accommodation of this type o

Wind Profiler Radars

ITU-R M.1226 SPANISH-1997 50 MHz附近频段风廓线雷达的技术和操作特性

This Recommendation provides technical and operational characteristics of wind profiler radars in frequency bands near 50 MHz. The Recommendation includes representative power to the antenna line, necessary bandwidth, occupied bandwidth, representative antenna side-lobe suppressions and guidance for wind profiler radar sharing considerations. It also contains in Annex 1 representative values and minimum requirements on system performance for wind profiler radars in bands near 50 MHz.

TECHNICAL AND OPERATIONAL CHARACTERISTICS OF WIND PROFILER RADARS IN BANDS IN THE VICINITY OF 50 MHz

ITU-R SA.1259-1997 航天无源传感器和固定业务之间在50-60GHz内共享的可行性

that the 2200-2290 MHz band is used by the space research, space operation service and Earth exploration-satellite services for transmissions from low-orbiting satellites to receivers onboard geostationary data relay satellites (DRS)

Feasibility of Sharing between Spaceborne Passive Sensors and the Fixed Service from 50 to 60 GHz

ITU-R SA.1261-1997 92～95GHz范围内航空雷达和其他业务之间共享的可行性

The ITU Radiocommunication Assembly, considering a) that spaceborne cloud radar can determine the vertical profile of clouds and their global distribution; b) that these parameters are very important for determination of the Earth’s radiation budget and thereby predictions of global warming; c) that measurement of reflectivity from clouds as low as -30 dBZ is necessary; d) that scattering from clouds at millimeter wavelengths increases approximately as the frequency raised to the fourth power; e) that worldwide, repetitive measurements of clouds require the use of spaceborne active sensors; f ) that the 92-95 GHz range of frequencies would be suitable to satisfy all requirements, including bandwidth requirements, for spaceborne cloud radars; g) that Recommendation ITU-R SA.577 establishes requirements for spaceborne cloud radar measurements in this frequency range; h) that, using available technology, these requirements cannot be satisfied in any frequency band currently allocated for active spaceborne sensors; j) that Resolution 7 12 (Rev.WRC-95) of the World Radiocommunication Conference (Geneva, 1995) seeks provision of up to 1 GHz of frequency spectrum around 95 GHz for use by space-based active sensors; k) that the 92-95 GHz band is allocated to the fNed, mobile, fixed-satellite (FSS) (Earth-to-space) and radiolocation services on a CO-primary basis; 1) that the 86-92 GHz band is allocated on a co-primary basis to passive services including radioastronomy, Earth exploration-satellite (passive) and space research (passive); m) that sharing between a spaceborne cloud radar and other services has been studied; n) that spaceborne cloud radars would produce power flux-densities at the Earth’s surface in excess of the power flux-density levels likely to be imposed in frequency bands near 95 GHz allocated to the fixed and mobile services in order to protect futed and mobile operations; 0) that sharing with the FSS (Earth-to-space) is not feasible due to excessive interference to the spaceborne cloud radar; P) that the spectrum between 90 and 100 GHz contains many molecular resonances of interest to radioastronomers; q) that co-frequency operation by spaceborne cloud radars and radioastronomy observatories could result in disruption to radioastronomy observations with a remote possibility of irreversible damage to the radioastronomy receiver; r) that current technology limits the use of filters in radioastronomy receivers to reject emissions from spaceborne cloud radars; s>that the band 78-79 GHz is suitable for active sensor applications in this region of the spectrum other than for cloud radars; t)that a bandwidth of 100 MHz is sufficient for use by spaceborne cloud radars; u)that methods have been identified to mitigate the potential impact to radioastronomy observations.

Feasibility of Sharing between Spaceborne Cloud Radars and Other Services in the Range of 92-95 GHz

ITU-R SA.1279-1997 航天无源传感器和卫星内链路在50.2-59.3GHz内的频谱共享

that the 25.25-27.5 GHz fiequency band is allocated to the inter-satellite service, limited by No. S5.536 of the Radio Regulations to space research and earth exploration-satellite applications, and also transmission of data originating from industrial a

Spectrum Sharing Between Spaceborne Passive Sensors and Inter-Satellite Links in the Range 50.2-59.3 GHz

ITU-R SM.1051-2-1997 频段406-406.1MHz内识别和消除有害干扰的优先级

that the band 406-406.1 MHz has been allocated in the Radio Regulations (RR) to the mobile-satellite (Earth-space) service for use by emergency position-indicating radio beacons (EPIRBs) in cases of distress or emergency

Priority of Identifying and Eliminating Harmful Interference in the Band 406-406.1 MHz

ITU-R SA.1280-1997 有源航天传感器发射特征的选择,以减轻对1-10GHz频段陆地雷达可能造成的干扰

The fiequency bands near 118 and 183 GHz are allocated to the EESS on a primary basis for passive sensors as shown in Table 1. The allocation near 118 GHz is shared with other services. Near 183 GHz, the passive services have an exclusively allocated band

Selection of Active Spaceborne Sensor Emission Characteristics to Mitigate the Potential for Interference to Terrestrial Radars Operating in Frequency Bands 1-10 GHz