詞語解釋
“Chariot”是一種特殊的無線通信技術，它是一種基于無線電波的高速數據傳輸技術，可以在較大距離內實現高速數據傳輸。它的主要應用是在無線寬帶網絡中，可以實現無線寬帶的構建，從而提高網絡的覆蓋范圍和傳輸速率。 Chariot是一種基于無線電波的高速數據傳輸技術，它使用特殊的編碼技術來實現高速數據傳輸。它的傳輸速率可以達到54Mbps，可以滿足家庭和小型企業(yè)的寬帶需求。它的優(yōu)點是可以在較大距離內實現高速數據傳輸，可以滿足用戶的需求。 Chariot技術的應用主要是在無線寬帶網絡中，它可以實現無線寬帶的構建，從而提高網絡的覆蓋范圍和傳輸速率。它可以通過設置多個接入點來構建無線寬帶網絡，從而實現無線寬帶的覆蓋。此外，它還可以實現無線寬帶的動態(tài)分配，從而提高網絡的可靠性和穩(wěn)定性。 總之，Chariot技術是一種特殊的無線通信技術，它可以在較大距離內實現高速數據傳輸，主要應用于無線寬帶網絡，可以構建無線寬帶網絡，從而提高網絡的覆蓋范圍和傳輸速率。 chariot月球車是NASA的最新月球車，12月份才經過測試。NASA花了7個月的時間研制，這個龐然大物比一般月球車大，可以載7到8人。是NASA重返月球計劃的月球車測試品。下面是NASA提供的資料： In preparation for the US led effort to build a lunar outpost, NASA has completed the first lunar truck prototype, named Chariot. Realizing the importance of crew and payload mobility on the lunar surface, the Exploration Technology Development Program&＃039;s Human-Robotics Systems Project set out, in Apollo-like style, to build a lunar truck and the team that could shepherd future lunar truck efforts. With only one year to design, manufacture, and assemble Chariot, NASA, teamed with companies from all across America, conquered the challenge. Chariot was operational and unveiled to the entire agency only eleven months after the beginning of the project. The vehicle is designed to meet the payload transport, range, terrain and speed specifications defined by NASA’s Lunar Architecture Team. Chariot will serve as a 1g-scaled system for technology evaluation and EVA/Ops field testing. It&＃039;s design incorporates many of the lessons learned from the Apollo rovers, as well as trucks that we drive every day. However, the team also needed to challenge many basic assumptions about what a lunar truck might be - Should it have four wheels? Should people sit on seats? Should it have passive suspension? Should it steer like a car? These challenges pressed the Chariot engineering team into the design and development of prototypes to answer these and other questions. The Lunar Architecture Team reviewed numerous design options, evaluating vehicle types and scales against mission requirements, launch limits and cost constraints. The Chariot was designed as a 1g (Earth) version of a Lunar Truck, able to work around a construction site like a utility vehicle. The system is sized to be able to carry a mixed suited crew, or combinations of crew and surface payloads such as tools, science equipment, and samples. Chariot’s chassis can be reconfigured to serve as an unpressurized lunar truck, with crew riding onboard in suits, or as a pressurized rover when it is outfitted with a small cabin. Pairs of Chariots can be used to extend crew surface ranges beyond walking distances, expanding the exploration horizon beyond the limits accepted by Apollo crews. The development of Chariot and, more importantly, the lunar truck team has positioned America in an excellent position to develop a very robust and useful truck to be transported hundreds of thousands of miles away to become the workhorse of the lunar surface. The Chariot project positions NASA as a “smart buyer” of surface vehicles in advance of the System Requirement Review (SRR) and Preliminary Design Review (PDR) dates for Lunar Surface Systems. Key Design Specifications Chariot Spec Earth Prototype (1g) Lunar System (1/6g) Payload 1000 kg 3000-6000 kg Vehicle Mass 2000 kg 1000 kg Top Speed 20 KPH 20 KPH Slope Climbing 15 Deg 25 deg Range 25 Km 100 Km Chariot 測試網絡吞吐量的利器 Chariot測試網絡吞吐量的利器 網絡測試的方法和手段因測試的目的不同而有所不同。典型的網絡設備測試的方法有2種：第一種是將設備放在一個仿真的網絡環(huán)境中，通過分析該產品在網絡中的行為對其進行測試；第二種方法是使用專用的網絡測試設備對產品進行測試，如專用的性能分析儀器SmartBits 2000、IXIA 1600 等。對于網絡系統(tǒng)的布線測試、物理連通性的測試和故障監(jiān)測也有專門的工具，這些工具是一些底層的網絡測試和維護工具，如Fluke 公司的網絡聽診器、網絡一點通、企業(yè)級網絡測試儀等等。而網絡電纜測試儀、令牌環(huán)網測試儀、以太網測試儀還有光纜測試儀等等，都是在網絡系統(tǒng)的實施部署和運行維護階段采用的常用的測試工具。對于網絡協議的一致性測試一般有專門的測試工具來支持，比如說對ISDN、ATM、ADSL、幀中繼等的實現都有專門的測試儀。 對網絡系統(tǒng)的測試也有相應的測試工具，最典型和最重要的就是網絡協議分析儀。網絡協議分析儀一般有專用的硬件設備和專門的軟件。這類協議分析儀典型的功能是數據包的捕捉、協議的解碼、統(tǒng)計分析和數據流量的產生。用協議分析儀我們可以捕捉網上的實際流量、提取流量的特征，據此對網絡系統(tǒng)的流量進行模型化和特征化。此外，網絡協議分析儀還可以主動地產生大量的數據包施加到網絡上，分析網絡的響應或對網絡系統(tǒng)進行加重測試。目前典型的協議分析儀有HP 公司的Internet Advisor(網絡專家系統(tǒng))、WG 公司的Domino 系列協議分析儀等。另外還有一些純軟件的協議分析工具，有些甚至可以從網上免費下載。但這類協議分析軟件無論在協議的解碼能力、解碼和數據分析的實時性以及數據流量的產生能力上與用專門硬件實現的協議分析儀相比仍有差距。 還有一些比協議分析儀更高層次的網絡性能測試工具，站在應用層的角度使用一些基準流量對網絡系統(tǒng)的性能進行分析，代表性的軟件是Ganymede Software 公司的Chariot 軟件......
chariot月球車是NASA的最新月球車，12月份才經過測試。NASA花了7個月的時間研制，這個龐然大物比一般月球車大，可以載7到8人。是NASA重返月球計劃的月球車測試品。下面是NASA提供的資料： In preparation for the US led effort to build a lunar outpost, NASA has completed the first lunar truck prototype, named Chariot. Realizing the importance of crew and payload mobility on the lunar surface, the Exploration Technology Development Program&＃039;s Human-Robotics Systems Project set out, in Apollo-like style, to build a lunar truck and the team that could shepherd future lunar truck efforts. With only one year to design, manufacture, and assemble Chariot, NASA, teamed with companies from all across America, conquered the challenge. Chariot was operational and unveiled to the entire agency only eleven months after the beginning of the project. The vehicle is designed to meet the payload transport, range, terrain and speed specifications defined by NASA’s Lunar Architecture Team. Chariot will serve as a 1g-scaled system for technology evaluation and EVA/Ops field testing. It&＃039;s design incorporates many of the lessons learned from the Apollo rovers, as well as trucks that we drive every day. However, the team also needed to challenge many basic assumptions about what a lunar truck might be - Should it have four wheels? Should people sit on seats? Should it have passive suspension? Should it steer like a car? These challenges pressed the Chariot engineering team into the design and development of prototypes to answer these and other questions. The Lunar Architecture Team reviewed numerous design options, evaluating vehicle types and scales against mission requirements, launch limits and cost constraints. The Chariot was designed as a 1g (Earth) version of a Lunar Truck, able to work around a construction site like a utility vehicle. The system is sized to be able to carry a mixed suited crew, or combinations of crew and surface payloads such as tools, science equipment, and samples. Chariot’s chassis can be reconfigured to serve as an unpressurized lunar truck, with crew riding onboard in suits, or as a pressurized rover when it is outfitted with a small cabin. Pairs of Chariots can be used to extend crew surface ranges beyond walking distances, expanding the exploration horizon beyond the limits accepted by Apollo crews. The development of Chariot and, more importantly, the lunar truck team has positioned America in an excellent position to develop a very robust and useful truck to be transported hundreds of thousands of miles away to become the workhorse of the lunar surface. The Chariot project positions NASA as a “smart buyer” of surface vehicles in advance of the System Requirement Review (SRR) and Preliminary Design Review (PDR) dates for Lunar Surface Systems. Key Design Specifications Chariot Spec Earth Prototype (1g) Lunar System (1/6g) Payload 1000 kg 3000-6000 kg Vehicle Mass 2000 kg 1000 kg Top Speed 20 KPH 20 KPH Slope Climbing 15 Deg 25 deg Range 25 Km 100 Km Chariot 測試網絡吞吐量的利器 Chariot測試網絡吞吐量的利器 網絡測試的方法和手段因測試的目的不同而有所不同。典型的網絡設備測試的方法有2種：第一種是將設備放在一個仿真的網絡環(huán)境中，通過分析該產品在網絡中的行為對其進行測試；第二種方法是使用專用的網絡測試設備對產品進行測試，如專用的性能分析儀器SmartBits 2000、IXIA 1600 等。對于網絡系統(tǒng)的布線測試、物理連通性的測試和故障監(jiān)測也有專門的工具，這些工具是一些底層的網絡測試和維護工具，如Fluke 公司的網絡聽診器、網絡一點通、企業(yè)級網絡測試儀等等。而網絡電纜測試儀、令牌環(huán)網測試儀、以太網測試儀還有光纜測試儀等等，都是在網絡系統(tǒng)的實施部署和運行維護階段采用的常用的測試工具。對于網絡協議的一致性測試一般有專門的測試工具來支持，比如說對ISDN、ATM、ADSL、幀中繼等的實現都有專門的測試儀。 對網絡系統(tǒng)的測試也有相應的測試工具，最典型和最重要的就是網絡協議分析儀。網絡協議分析儀一般有專用的硬件設備和專門的軟件。這類協議分析儀典型的功能是數據包的捕捉、協議的解碼、統(tǒng)計分析和數據流量的產生。用協議分析儀我們可以捕捉網上的實際流量、提取流量的特征，據此對網絡系統(tǒng)的流量進行模型化和特征化。此外，網絡協議分析儀還可以主動地產生大量的數據包施加到網絡上，分析網絡的響應或對網絡系統(tǒng)進行加重測試。目前典型的協議分析儀有HP 公司的Internet Advisor(網絡專家系統(tǒng))、WG 公司的Domino 系列協議分析儀等。另外還有一些純軟件的協議分析工具，有些甚至可以從網上免費下載。但這類協議分析軟件無論在協議的解碼能力、解碼和數據分析的實時性以及數據流量的產生能力上與用專門硬件實現的協議分析儀相比仍有差距。 還有一些比協議分析儀更高層次的網絡性能測試工具，站在應用層的角度使用一些基準流量對網絡系統(tǒng)的性能進行分析，代表性的軟件是Ganymede Software 公司的Chariot 軟件......
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